/*
* Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
#include <linux/sort.h>
#include <linux/debugfs.h>
#include <linux/ktime.h>
#include <drm/sde_drm.h>
#include <drm/drm_mode.h>
#include <drm/drm_crtc.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_flip_work.h>
#include <soc/qcom/of_common.h>
#include <linux/version.h>
#include <linux/soc/qcom/qcom_sync_file.h>
#include <linux/file.h>
#include "sde_kms.h"
#include "sde_hw_lm.h"
#include "sde_hw_ctl.h"
#include "sde_hw_dspp.h"
#include "sde_crtc.h"
#include "sde_plane.h"
#include "sde_hw_util.h"
#include "sde_hw_catalog.h"
#include "sde_color_processing.h"
#include "sde_encoder.h"
#include "sde_connector.h"
#include "sde_vbif.h"
#include "sde_power_handle.h"
#include "sde_core_perf.h"
#include "sde_trace.h"
#include "msm_drv.h"
#include "sde_vm.h"
#define SDE_PSTATES_MAX (SDE_STAGE_MAX * 4)
#define SDE_MULTIRECT_PLANE_MAX (SDE_STAGE_MAX * 2)
/* Max number of planes with hw fences within one commit */
#define MAX_HW_FENCES SDE_MULTIRECT_PLANE_MAX
/* Wait for at most 2 vsync for spec fence bind */
#define SPEC_FENCE_TIMEOUT_MS 84
struct sde_crtc_custom_events {
u32 event;
int (*func)(struct drm_crtc *crtc, bool en,
struct sde_irq_callback *irq);
};
struct vblank_work {
struct kthread_work work;
int crtc_id;
bool enable;
struct msm_drm_private *priv;
};
static int sde_crtc_power_interrupt_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *ad_irq);
static int sde_crtc_idle_interrupt_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *idle_irq);
static int sde_crtc_mmrm_interrupt_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *idle_irq);
static int sde_crtc_pm_event_handler(struct drm_crtc *crtc, bool en,
struct sde_irq_callback *noirq);
static int sde_crtc_frame_data_interrupt_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *idle_irq);
static int _sde_crtc_set_noise_layer(struct sde_crtc *sde_crtc,
struct sde_crtc_state *cstate,
void __user *usr_ptr);
static int sde_crtc_vm_release_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *irq);
static int sde_crtc_opr_event_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *irq);
static struct sde_crtc_custom_events custom_events[] = {
{DRM_EVENT_AD_BACKLIGHT, sde_cp_ad_interrupt},
{DRM_EVENT_CRTC_POWER, sde_crtc_power_interrupt_handler},
{DRM_EVENT_IDLE_NOTIFY, sde_crtc_idle_interrupt_handler},
{DRM_EVENT_HISTOGRAM, sde_cp_hist_interrupt},
{DRM_EVENT_SDE_POWER, sde_crtc_pm_event_handler},
{DRM_EVENT_LTM_HIST, sde_cp_ltm_hist_interrupt},
{DRM_EVENT_LTM_WB_PB, sde_cp_ltm_wb_pb_interrupt},
{DRM_EVENT_LTM_OFF, sde_cp_ltm_off_event_handler},
{DRM_EVENT_MMRM_CB, sde_crtc_mmrm_interrupt_handler},
{DRM_EVENT_VM_RELEASE, sde_crtc_vm_release_handler},
{DRM_EVENT_FRAME_DATA, sde_crtc_frame_data_interrupt_handler},
{DRM_EVENT_OPR_VALUE, sde_crtc_opr_event_handler},
};
/* default input fence timeout, in ms */
#define SDE_CRTC_INPUT_FENCE_TIMEOUT 10000
/*
* The default input fence timeout is 2 seconds while max allowed
* range is 10 seconds. Any value above 10 seconds adds glitches beyond
* tolerance limit.
*/
#define SDE_CRTC_MAX_INPUT_FENCE_TIMEOUT 10000
/* layer mixer index on sde_crtc */
#define LEFT_MIXER 0
#define RIGHT_MIXER 1
#define MISR_BUFF_SIZE 256
/*
* Time period for fps calculation in micro seconds.
* Default value is set to 1 sec.
*/
#define DEFAULT_FPS_PERIOD_1_SEC 1000000
#define MAX_FPS_PERIOD_5_SECONDS 5000000
#define MAX_FRAME_COUNT 1000
#define MILI_TO_MICRO 1000
#define SKIP_STAGING_PIPE_ZPOS 255
static void sde_crtc_install_noise_layer_properties(struct sde_crtc *sde_crtc,
struct sde_mdss_cfg *catalog, struct sde_kms_info *info);
static void sde_cp_crtc_apply_noise(struct drm_crtc *crtc,
struct drm_crtc_state *state);
static inline struct sde_kms *_sde_crtc_get_kms(struct drm_crtc *crtc)
{
struct msm_drm_private *priv;
if (!crtc || !crtc->dev || !crtc->dev->dev_private) {
SDE_ERROR("invalid crtc\n");
return NULL;
}
priv = crtc->dev->dev_private;
if (!priv || !priv->kms) {
SDE_ERROR("invalid kms\n");
return NULL;
}
return to_sde_kms(priv->kms);
}
enum sde_wb_usage_type sde_crtc_get_wb_usage_type(struct drm_crtc *crtc)
{
struct drm_connector *conn;
struct drm_connector_list_iter conn_iter;
enum sde_wb_usage_type usage_type = 0;
drm_connector_list_iter_begin(crtc->dev, &conn_iter);
drm_for_each_connector_iter(conn, &conn_iter) {
if (conn->state && (conn->state->crtc == crtc)
&& (conn->connector_type == DRM_MODE_CONNECTOR_VIRTUAL)) {
usage_type = sde_connector_get_property(conn->state,
CONNECTOR_PROP_WB_USAGE_TYPE);
break;
}
}
drm_connector_list_iter_end(&conn_iter);
return usage_type;
}
static inline struct drm_connector_state *_sde_crtc_get_virt_conn_state(
struct drm_crtc *crtc, struct drm_crtc_state *crtc_state)
{
struct drm_connector *conn;
struct drm_connector_state *conn_state, *virt_conn_state = NULL;
struct drm_connector_list_iter conn_iter;
int i;
if (crtc_state->state) {
for_each_new_connector_in_state(crtc_state->state, conn, conn_state, i) {
if (conn_state && (conn_state->crtc == crtc)
&& (conn->connector_type == DRM_MODE_CONNECTOR_VIRTUAL)) {
virt_conn_state = conn_state;
break;
}
}
} else {
drm_connector_list_iter_begin(crtc->dev, &conn_iter);
drm_for_each_connector_iter(conn, &conn_iter) {
if (conn->state && (conn->state->crtc == crtc)
&& (conn->connector_type == DRM_MODE_CONNECTOR_VIRTUAL)) {
virt_conn_state = conn->state;
break;
}
}
drm_connector_list_iter_end(&conn_iter);
}
return virt_conn_state;
}
void sde_crtc_get_mixer_resolution(struct drm_crtc *crtc, struct drm_crtc_state *crtc_state,
struct drm_display_mode *mode, u32 *width, u32 *height)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_connector_state *virt_conn_state;
struct sde_connector_state *virt_cstate;
*width = 0;
*height = 0;
if (!crtc || !crtc_state || !mode)
return;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc_state);
virt_conn_state = _sde_crtc_get_virt_conn_state(crtc, crtc_state);
virt_cstate = virt_conn_state ? to_sde_connector_state(virt_conn_state) : NULL;
if (cstate->num_ds_enabled) {
*width = cstate->ds_cfg[0].lm_width;
*height = cstate->ds_cfg[0].lm_height;
} else if (virt_cstate && virt_cstate->dnsc_blur_count) {
*width = (virt_cstate->dnsc_blur_cfg[0].src_width
* virt_cstate->dnsc_blur_count) / sde_crtc->num_mixers;
*height = virt_cstate->dnsc_blur_cfg[0].src_height;
} else {
*width = mode->hdisplay / sde_crtc->num_mixers;
*height = mode->vdisplay;
}
}
void sde_crtc_get_resolution(struct drm_crtc *crtc, struct drm_crtc_state *crtc_state,
struct drm_display_mode *mode, u32 *width, u32 *height)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_connector_state *virt_conn_state;
struct sde_connector_state *virt_cstate;
*width = 0;
*height = 0;
if (!crtc || !crtc_state || !mode)
return;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc_state);
virt_conn_state = _sde_crtc_get_virt_conn_state(crtc, crtc_state);
virt_cstate = virt_conn_state ? to_sde_connector_state(virt_conn_state) : NULL;
if (cstate->num_ds_enabled) {
*width = cstate->ds_cfg[0].lm_width * cstate->num_ds_enabled;
*height = cstate->ds_cfg[0].lm_height;
} else if (virt_cstate && virt_cstate->dnsc_blur_count) {
*width = virt_cstate->dnsc_blur_cfg[0].src_width * virt_cstate->dnsc_blur_count;
*height = virt_cstate->dnsc_blur_cfg[0].src_height;
} else {
*width = mode->hdisplay;
*height = mode->vdisplay;
}
}
/**
* sde_crtc_calc_fps() - Calculates fps value.
* @sde_crtc : CRTC structure
*
* This function is called at frame done. It counts the number
* of frames done for every 1 sec. Stores the value in measured_fps.
* measured_fps value is 10 times the calculated fps value.
* For example, measured_fps= 594 for calculated fps of 59.4
*/
static void sde_crtc_calc_fps(struct sde_crtc *sde_crtc)
{
ktime_t current_time_us;
u64 fps, diff_us;
current_time_us = ktime_get();
diff_us = (u64)ktime_us_delta(current_time_us,
sde_crtc->fps_info.last_sampled_time_us);
sde_crtc->fps_info.frame_count++;
if (diff_us >= DEFAULT_FPS_PERIOD_1_SEC) {
/* Multiplying with 10 to get fps in floating point */
fps = ((u64)sde_crtc->fps_info.frame_count)
* DEFAULT_FPS_PERIOD_1_SEC * 10;
do_div(fps, diff_us);
sde_crtc->fps_info.measured_fps = (unsigned int)fps;
SDE_DEBUG(" FPS for crtc%d is %d.%d\n",
sde_crtc->base.base.id, (unsigned int)fps/10,
(unsigned int)fps%10);
sde_crtc->fps_info.last_sampled_time_us = current_time_us;
sde_crtc->fps_info.frame_count = 0;
}
if (!sde_crtc->fps_info.time_buf)
return;
/**
* Array indexing is based on sliding window algorithm.
* sde_crtc->time_buf has a maximum capacity of MAX_FRAME_COUNT
* time slots. As the count increases to MAX_FRAME_COUNT + 1, the
* counter loops around and comes back to the first index to store
* the next ktime.
*/
sde_crtc->fps_info.time_buf[sde_crtc->fps_info.next_time_index++] =
ktime_get();
sde_crtc->fps_info.next_time_index %= MAX_FRAME_COUNT;
}
static void _sde_crtc_deinit_events(struct sde_crtc *sde_crtc)
{
if (!sde_crtc)
return;
}
#if IS_ENABLED(CONFIG_DEBUG_FS)
static int _sde_debugfs_fps_status_show(struct seq_file *s, void *data)
{
struct sde_crtc *sde_crtc;
u64 fps_int, fps_float;
ktime_t current_time_us;
u64 fps, diff_us;
if (!s || !s->private) {
SDE_ERROR("invalid input param(s)\n");
return -EAGAIN;
}
sde_crtc = s->private;
current_time_us = ktime_get();
diff_us = (u64)ktime_us_delta(current_time_us,
sde_crtc->fps_info.last_sampled_time_us);
if (diff_us >= DEFAULT_FPS_PERIOD_1_SEC) {
/* Multiplying with 10 to get fps in floating point */
fps = ((u64)sde_crtc->fps_info.frame_count)
* DEFAULT_FPS_PERIOD_1_SEC * 10;
do_div(fps, diff_us);
sde_crtc->fps_info.measured_fps = (unsigned int)fps;
sde_crtc->fps_info.last_sampled_time_us = current_time_us;
sde_crtc->fps_info.frame_count = 0;
SDE_DEBUG("Measured FPS for crtc%d is %d.%d\n",
sde_crtc->base.base.id, (unsigned int)fps/10,
(unsigned int)fps%10);
}
fps_int = (unsigned int) sde_crtc->fps_info.measured_fps;
fps_float = do_div(fps_int, 10);
seq_printf(s, "fps: %llu.%llu\n", fps_int, fps_float);
return 0;
}
static int _sde_debugfs_fps_status(struct inode *inode, struct file *file)
{
return single_open(file, _sde_debugfs_fps_status_show,
inode->i_private);
}
#endif /* CONFIG_DEBUG_FS */
static ssize_t fps_periodicity_ms_store(struct device *device,
struct device_attribute *attr, const char *buf, size_t count)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
int res;
/* Base of the input */
int cnt = 10;
if (!device || !buf) {
SDE_ERROR("invalid input param(s)\n");
return -EAGAIN;
}
crtc = dev_get_drvdata(device);
if (!crtc)
return -EINVAL;
sde_crtc = to_sde_crtc(crtc);
res = kstrtou32(buf, cnt, &sde_crtc->fps_info.fps_periodic_duration);
if (res < 0)
return res;
if (sde_crtc->fps_info.fps_periodic_duration <= 0)
sde_crtc->fps_info.fps_periodic_duration =
DEFAULT_FPS_PERIOD_1_SEC;
else if ((sde_crtc->fps_info.fps_periodic_duration) * MILI_TO_MICRO >
MAX_FPS_PERIOD_5_SECONDS)
sde_crtc->fps_info.fps_periodic_duration =
MAX_FPS_PERIOD_5_SECONDS;
else
sde_crtc->fps_info.fps_periodic_duration *= MILI_TO_MICRO;
return count;
}
static ssize_t fps_periodicity_ms_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
if (!device || !buf) {
SDE_ERROR("invalid input param(s)\n");
return -EAGAIN;
}
crtc = dev_get_drvdata(device);
if (!crtc)
return -EINVAL;
sde_crtc = to_sde_crtc(crtc);
return scnprintf(buf, PAGE_SIZE, "%d\n",
(sde_crtc->fps_info.fps_periodic_duration)/MILI_TO_MICRO);
}
static ssize_t measured_fps_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
uint64_t fps_int, fps_decimal;
u64 fps = 0, frame_count = 0;
ktime_t current_time;
int i = 0, current_time_index;
u64 diff_us;
if (!device || !buf) {
SDE_ERROR("invalid input param(s)\n");
return -EAGAIN;
}
crtc = dev_get_drvdata(device);
if (!crtc) {
scnprintf(buf, PAGE_SIZE, "fps information not available");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
if (!sde_crtc->fps_info.time_buf) {
scnprintf(buf, PAGE_SIZE,
"timebuf null - fps information not available");
return -EINVAL;
}
/**
* Whenever the time_index counter comes to zero upon decrementing,
* it is set to the last index since it is the next index that we
* should check for calculating the buftime.
*/
current_time_index = (sde_crtc->fps_info.next_time_index == 0) ?
MAX_FRAME_COUNT - 1 : (sde_crtc->fps_info.next_time_index - 1);
current_time = ktime_get();
for (i = 0; i < MAX_FRAME_COUNT; i++) {
u64 ptime = (u64)ktime_to_us(current_time);
u64 buftime = (u64)ktime_to_us(
sde_crtc->fps_info.time_buf[current_time_index]);
diff_us = (u64)ktime_us_delta(current_time,
sde_crtc->fps_info.time_buf[current_time_index]);
if (ptime > buftime && diff_us >= (u64)
sde_crtc->fps_info.fps_periodic_duration) {
/* Multiplying with 10 to get fps in floating point */
fps = frame_count * DEFAULT_FPS_PERIOD_1_SEC * 10;
do_div(fps, diff_us);
sde_crtc->fps_info.measured_fps = (unsigned int)fps;
SDE_DEBUG("measured fps: %d\n",
sde_crtc->fps_info.measured_fps);
break;
}
current_time_index = (current_time_index == 0) ?
(MAX_FRAME_COUNT - 1) : (current_time_index - 1);
SDE_DEBUG("current time index: %d\n", current_time_index);
frame_count++;
}
if (i == MAX_FRAME_COUNT) {
current_time_index = (sde_crtc->fps_info.next_time_index == 0) ?
MAX_FRAME_COUNT - 1 : (sde_crtc->fps_info.next_time_index - 1);
diff_us = (u64)ktime_us_delta(current_time,
sde_crtc->fps_info.time_buf[current_time_index]);
if (diff_us >= sde_crtc->fps_info.fps_periodic_duration) {
/* Multiplying with 10 to get fps in floating point */
fps = (frame_count) * DEFAULT_FPS_PERIOD_1_SEC * 10;
do_div(fps, diff_us);
sde_crtc->fps_info.measured_fps = (unsigned int)fps;
}
}
fps_int = (uint64_t) sde_crtc->fps_info.measured_fps;
fps_decimal = do_div(fps_int, 10);
return scnprintf(buf, PAGE_SIZE,
"fps: %lld.%lld duration:%d frame_count:%lld\n", fps_int, fps_decimal,
sde_crtc->fps_info.fps_periodic_duration, frame_count);
}
static ssize_t vsync_event_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
struct drm_encoder *encoder;
int avr_status = -EPIPE;
if (!device || !buf) {
SDE_ERROR("invalid input param(s)\n");
return -EAGAIN;
}
crtc = dev_get_drvdata(device);
sde_crtc = to_sde_crtc(crtc);
mutex_lock(&sde_crtc->crtc_lock);
if (sde_crtc->enabled) {
drm_for_each_encoder_mask(encoder, crtc->dev, crtc->state->encoder_mask) {
if (sde_encoder_in_clone_mode(encoder))
continue;
avr_status = sde_encoder_get_avr_status(encoder);
break;
}
}
mutex_unlock(&sde_crtc->crtc_lock);
return scnprintf(buf, PAGE_SIZE, "VSYNC=%llu\nAVR_STATUS=%d\n",
ktime_to_ns(sde_crtc->vblank_last_cb_time), avr_status);
}
static ssize_t retire_frame_event_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
if (!device || !buf) {
SDE_ERROR("invalid input param(s)\n");
return -EAGAIN;
}
crtc = dev_get_drvdata(device);
sde_crtc = to_sde_crtc(crtc);
return scnprintf(buf, PAGE_SIZE, "RETIRE_FRAME_TIME=%llu\n",
ktime_to_ns(sde_crtc->retire_frame_event_time));
}
static DEVICE_ATTR_RO(vsync_event);
static DEVICE_ATTR_RO(measured_fps);
static DEVICE_ATTR_RW(fps_periodicity_ms);
static DEVICE_ATTR_RO(retire_frame_event);
static struct attribute *sde_crtc_dev_attrs[] = {
&dev_attr_vsync_event.attr,
&dev_attr_measured_fps.attr,
&dev_attr_fps_periodicity_ms.attr,
&dev_attr_retire_frame_event.attr,
NULL
};
static const struct attribute_group sde_crtc_attr_group = {
.attrs = sde_crtc_dev_attrs,
};
static const struct attribute_group *sde_crtc_attr_groups[] = {
&sde_crtc_attr_group,
NULL,
};
static void sde_crtc_event_notify(struct drm_crtc *crtc, uint32_t type, void *payload, uint32_t len)
{
struct drm_event event;
uint32_t *data = (uint32_t *)payload;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return;
}
event.type = type;
event.length = len;
msm_mode_object_event_notify(&crtc->base, crtc->dev, &event, (u8 *)payload);
SDE_EVT32(DRMID(crtc), type, len, *data,
((uint64_t)payload) >> 32, ((uint64_t)payload) & 0xFFFFFFFF);
SDE_DEBUG("crtc:%d event(%lu) ptr(%pK) value(%lu) notified\n",
DRMID(crtc), type, payload, *data);
}
static void sde_crtc_destroy(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
SDE_DEBUG("\n");
if (!crtc)
return;
if (sde_crtc->vsync_event_sf)
sysfs_put(sde_crtc->vsync_event_sf);
if (sde_crtc->retire_frame_event_sf)
sysfs_put(sde_crtc->retire_frame_event_sf);
if (sde_crtc->sysfs_dev)
device_unregister(sde_crtc->sysfs_dev);
if (sde_crtc->blob_info)
drm_property_blob_put(sde_crtc->blob_info);
msm_property_destroy(&sde_crtc->property_info);
sde_cp_crtc_destroy_properties(crtc);
sde_fence_deinit(sde_crtc->output_fence);
_sde_crtc_deinit_events(sde_crtc);
drm_crtc_cleanup(crtc);
mutex_destroy(&sde_crtc->crtc_lock);
kfree(sde_crtc);
}
struct sde_connector_state *_sde_crtc_get_sde_connector_state(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
struct drm_connector *conn;
struct drm_connector_state *conn_state;
int i;
for_each_new_connector_in_state(state, conn, conn_state, i) {
if (!conn_state || conn_state->crtc != crtc)
continue;
return to_sde_connector_state(conn_state);
}
return NULL;
}
struct msm_display_mode *sde_crtc_get_msm_mode(struct drm_crtc_state *c_state)
{
struct drm_connector *connector;
struct drm_encoder *encoder;
struct sde_connector_state *conn_state;
bool encoder_valid = false;
drm_for_each_encoder_mask(encoder, c_state->crtc->dev,
c_state->encoder_mask) {
if (!sde_encoder_in_clone_mode(encoder)) {
encoder_valid = true;
break;
}
}
if (!encoder_valid)
return NULL;
connector = sde_encoder_get_connector(c_state->crtc->dev, encoder);
if (!connector)
return NULL;
conn_state = to_sde_connector_state(connector->state);
if (!conn_state)
return NULL;
return &conn_state->msm_mode;
}
static bool sde_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct msm_display_mode *msm_mode;
struct drm_crtc_state *c_state;
struct drm_connector *connector;
struct drm_encoder *encoder;
struct drm_connector_state *new_conn_state;
struct sde_connector_state *c_conn_state = NULL;
bool encoder_valid = false;
int i;
SDE_DEBUG("\n");
c_state = container_of(adjusted_mode, struct drm_crtc_state,
adjusted_mode);
drm_for_each_encoder_mask(encoder, c_state->crtc->dev,
c_state->encoder_mask) {
if (!sde_crtc_state_in_clone_mode(encoder, c_state)) {
encoder_valid = true;
break;
}
}
if (!encoder_valid) {
SDE_ERROR("encoder not found\n");
return true;
}
for_each_new_connector_in_state(c_state->state, connector,
new_conn_state, i) {
if (new_conn_state->best_encoder == encoder) {
c_conn_state = to_sde_connector_state(new_conn_state);
break;
}
}
if (!c_conn_state) {
SDE_ERROR("could not get connector state\n");
return true;
}
msm_mode = &c_conn_state->msm_mode;
if ((msm_is_mode_seamless(msm_mode) ||
(msm_is_mode_seamless_vrr(msm_mode) ||
msm_is_mode_seamless_dyn_clk(msm_mode))) &&
(!crtc->enabled)) {
SDE_ERROR("crtc state prevents seamless transition\n");
return false;
}
return true;
}
static void _sde_crtc_setup_blend_cfg(struct sde_crtc_mixer *mixer,
struct sde_plane_state *pstate, struct sde_format *format)
{
uint32_t blend_op, fg_alpha, bg_alpha;
uint32_t blend_type;
struct sde_hw_mixer *lm = mixer->hw_lm;
/* default to opaque blending */
fg_alpha = sde_plane_get_property(pstate, PLANE_PROP_ALPHA);
bg_alpha = 0xFF - fg_alpha;
blend_op = SDE_BLEND_FG_ALPHA_FG_CONST | SDE_BLEND_BG_ALPHA_BG_CONST;
blend_type = sde_plane_get_property(pstate, PLANE_PROP_BLEND_OP);
SDE_DEBUG("blend type:0x%x blend alpha:0x%x\n", blend_type, fg_alpha);
switch (blend_type) {
case SDE_DRM_BLEND_OP_OPAQUE:
blend_op = SDE_BLEND_FG_ALPHA_FG_CONST |
SDE_BLEND_BG_ALPHA_BG_CONST;
break;
case SDE_DRM_BLEND_OP_PREMULTIPLIED:
if (format->alpha_enable) {
blend_op = SDE_BLEND_FG_ALPHA_FG_CONST |
SDE_BLEND_BG_ALPHA_FG_PIXEL;
if (fg_alpha != 0xff) {
bg_alpha = fg_alpha;
blend_op |= SDE_BLEND_BG_MOD_ALPHA |
SDE_BLEND_BG_INV_MOD_ALPHA;
} else {
blend_op |= SDE_BLEND_BG_INV_ALPHA;
}
}
break;
case SDE_DRM_BLEND_OP_COVERAGE:
if (format->alpha_enable) {
blend_op = SDE_BLEND_FG_ALPHA_FG_PIXEL |
SDE_BLEND_BG_ALPHA_FG_PIXEL;
if (fg_alpha != 0xff) {
bg_alpha = fg_alpha;
blend_op |= SDE_BLEND_FG_MOD_ALPHA |
SDE_BLEND_BG_MOD_ALPHA |
SDE_BLEND_BG_INV_MOD_ALPHA;
} else {
blend_op |= SDE_BLEND_BG_INV_ALPHA;
}
}
break;
default:
/* do nothing */
break;
}
if (lm->ops.setup_blend_config)
lm->ops.setup_blend_config(lm, pstate->stage, fg_alpha, bg_alpha, blend_op);
SDE_DEBUG(
"format: %4.4s, alpha_enable %u fg alpha:0x%x bg alpha:0x%x blend_op:0x%x\n",
(char *) &format->base.pixel_format,
format->alpha_enable, fg_alpha, bg_alpha, blend_op);
}
static void _sde_crtc_calc_split_dim_layer_yh_param(struct drm_crtc *crtc, u16 *y, u16 *h)
{
u32 padding_y = 0, padding_start = 0, padding_height = 0;
struct sde_crtc_state *cstate;
cstate = to_sde_crtc_state(crtc->state);
if (!cstate->line_insertion.panel_line_insertion_enable)
return;
sde_crtc_calc_vpadding_param(crtc->state, *y, *h, &padding_y,
&padding_start, &padding_height);
*y = padding_y;
*h = padding_height;
}
static void _sde_crtc_setup_dim_layer_cfg(struct drm_crtc *crtc,
struct sde_crtc *sde_crtc, struct sde_crtc_mixer *mixer,
struct sde_hw_dim_layer *dim_layer)
{
struct sde_crtc_state *cstate;
struct sde_hw_mixer *lm;
struct sde_hw_dim_layer split_dim_layer;
int i;
if (!dim_layer->rect.w || !dim_layer->rect.h) {
SDE_DEBUG("empty dim_layer\n");
return;
}
cstate = to_sde_crtc_state(crtc->state);
SDE_DEBUG("dim_layer - flags:%d, stage:%d\n",
dim_layer->flags, dim_layer->stage);
split_dim_layer.stage = dim_layer->stage;
split_dim_layer.color_fill = dim_layer->color_fill;
/*
* traverse through the layer mixers attached to crtc and find the
* intersecting dim layer rect in each LM and program accordingly.
*/
for (i = 0; i < sde_crtc->num_mixers; i++) {
split_dim_layer.flags = dim_layer->flags;
sde_kms_rect_intersect(&cstate->lm_roi[i], &dim_layer->rect,
&split_dim_layer.rect);
if (sde_kms_rect_is_null(&split_dim_layer.rect)) {
/*
* no extra programming required for non-intersecting
* layer mixers with INCLUSIVE dim layer
*/
if (split_dim_layer.flags & SDE_DRM_DIM_LAYER_INCLUSIVE)
continue;
/*
* program the other non-intersecting layer mixers with
* INCLUSIVE dim layer of full size for uniformity
* with EXCLUSIVE dim layer config.
*/
split_dim_layer.flags &= ~SDE_DRM_DIM_LAYER_EXCLUSIVE;
split_dim_layer.flags |= SDE_DRM_DIM_LAYER_INCLUSIVE;
memcpy(&split_dim_layer.rect, &cstate->lm_bounds[i],
sizeof(split_dim_layer.rect));
} else {
split_dim_layer.rect.x =
split_dim_layer.rect.x -
cstate->lm_roi[i].x;
split_dim_layer.rect.y =
split_dim_layer.rect.y -
cstate->lm_roi[i].y;
}
/* update dim layer rect for panel stacking crtc */
if (cstate->line_insertion.padding_height)
_sde_crtc_calc_split_dim_layer_yh_param(crtc, &split_dim_layer.rect.y,
&split_dim_layer.rect.h);
SDE_EVT32(DRMID(crtc), dim_layer->stage,
cstate->lm_roi[i].x,
cstate->lm_roi[i].y,
cstate->lm_roi[i].w,
cstate->lm_roi[i].h,
dim_layer->rect.x,
dim_layer->rect.y,
dim_layer->rect.w,
dim_layer->rect.h,
split_dim_layer.rect.x,
split_dim_layer.rect.y,
split_dim_layer.rect.w,
split_dim_layer.rect.h);
SDE_DEBUG("split_dim_layer - LM:%d, rect:{%d,%d,%d,%d}}\n",
i, split_dim_layer.rect.x, split_dim_layer.rect.y,
split_dim_layer.rect.w, split_dim_layer.rect.h);
lm = mixer[i].hw_lm;
mixer[i].mixer_op_mode |= 1 << split_dim_layer.stage;
lm->ops.setup_dim_layer(lm, &split_dim_layer);
}
}
void sde_crtc_get_crtc_roi(struct drm_crtc_state *state,
const struct sde_rect **crtc_roi)
{
struct sde_crtc_state *crtc_state;
if (!state || !crtc_roi)
return;
crtc_state = to_sde_crtc_state(state);
*crtc_roi = &crtc_state->crtc_roi;
}
bool sde_crtc_is_crtc_roi_dirty(struct drm_crtc_state *state)
{
struct sde_crtc_state *cstate;
struct sde_crtc *sde_crtc;
if (!state || !state->crtc)
return false;
sde_crtc = to_sde_crtc(state->crtc);
cstate = to_sde_crtc_state(state);
return msm_property_is_dirty(&sde_crtc->property_info,
&cstate->property_state, CRTC_PROP_ROI_V1);
}
static int _sde_crtc_set_roi_v1(struct drm_crtc_state *state,
void __user *usr_ptr)
{
struct drm_crtc *crtc;
struct sde_crtc_state *cstate;
struct sde_drm_roi_v1 roi_v1;
int i;
if (!state) {
SDE_ERROR("invalid args\n");
return -EINVAL;
}
cstate = to_sde_crtc_state(state);
crtc = cstate->base.crtc;
memset(&cstate->user_roi_list, 0, sizeof(cstate->user_roi_list));
memset(&cstate->cached_user_roi_list, 0, sizeof(cstate->cached_user_roi_list));
if (!usr_ptr) {
SDE_DEBUG("crtc%d: rois cleared\n", DRMID(crtc));
return 0;
}
if (copy_from_user(&roi_v1, usr_ptr, sizeof(roi_v1))) {
SDE_ERROR("crtc%d: failed to copy roi_v1 data\n", DRMID(crtc));
return -EINVAL;
}
SDE_DEBUG("crtc%d: num_rects %d\n", DRMID(crtc), roi_v1.num_rects);
if (roi_v1.num_rects == 0) {
SDE_DEBUG("crtc%d: rois cleared\n", DRMID(crtc));
return 0;
}
if (roi_v1.num_rects > SDE_MAX_ROI_V1) {
SDE_ERROR("crtc%d: too many rects specified: %d\n", DRMID(crtc),
roi_v1.num_rects);
return -EINVAL;
}
cstate->user_roi_list.roi_feature_flags = roi_v1.roi_feature_flags;
cstate->user_roi_list.num_rects = roi_v1.num_rects;
for (i = 0; i < roi_v1.num_rects; ++i) {
cstate->user_roi_list.roi[i] = roi_v1.roi[i];
if (cstate->user_roi_list.roi_feature_flags & SDE_DRM_ROI_SPR_FLAG_EN)
cstate->user_roi_list.spr_roi[i] = roi_v1.spr_roi[i];
else
/*
* backward compatible, spr_roi has the same value with roi,
* it will have the same behavior with before.
*/
cstate->user_roi_list.spr_roi[i] = roi_v1.roi[i];
SDE_DEBUG("crtc%d: roi%d: roi (%d,%d) (%d,%d)\n",
DRMID(crtc), i,
cstate->user_roi_list.roi[i].x1,
cstate->user_roi_list.roi[i].y1,
cstate->user_roi_list.roi[i].x2,
cstate->user_roi_list.roi[i].y2);
SDE_EVT32_VERBOSE(DRMID(crtc),
cstate->user_roi_list.roi[i].x1,
cstate->user_roi_list.roi[i].y1,
cstate->user_roi_list.roi[i].x2,
cstate->user_roi_list.roi[i].y2);
SDE_DEBUG("crtc%d, roi_feature_flags %d: spr roi%d: spr roi (%d,%d) (%d,%d)\n",
DRMID(crtc), roi_v1.roi_feature_flags, i,
roi_v1.spr_roi[i].x1,
roi_v1.spr_roi[i].y1,
roi_v1.spr_roi[i].x2,
roi_v1.spr_roi[i].y2);
SDE_EVT32_VERBOSE(DRMID(crtc), roi_v1.roi_feature_flags,
roi_v1.spr_roi[i].x1,
roi_v1.spr_roi[i].y1,
roi_v1.spr_roi[i].x2,
roi_v1.spr_roi[i].y2);
}
return 0;
}
static int _sde_crtc_set_crtc_roi(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct drm_connector *conn;
struct drm_connector_state *conn_state;
struct sde_crtc *sde_crtc;
struct sde_crtc_state *crtc_state;
struct sde_rect *crtc_roi;
struct msm_mode_info mode_info;
int i = 0, rc;
bool is_crtc_roi_dirty, is_conn_roi_dirty;
u32 crtc_width, crtc_height;
struct drm_display_mode *adj_mode;
if (!crtc || !state)
return -EINVAL;
sde_crtc = to_sde_crtc(crtc);
crtc_state = to_sde_crtc_state(state);
crtc_roi = &crtc_state->crtc_roi;
is_crtc_roi_dirty = sde_crtc_is_crtc_roi_dirty(state);
for_each_new_connector_in_state(state->state, conn, conn_state, i) {
struct sde_connector *sde_conn;
struct sde_connector_state *sde_conn_state;
struct sde_rect conn_roi;
if (!conn_state || conn_state->crtc != crtc)
continue;
rc = sde_connector_state_get_mode_info(conn_state, &mode_info);
if (rc) {
SDE_ERROR("failed to get mode info\n");
return -EINVAL;
}
sde_conn = to_sde_connector(conn_state->connector);
sde_conn_state = to_sde_connector_state(conn_state);
is_conn_roi_dirty = msm_property_is_dirty(&sde_conn->property_info,
&sde_conn_state->property_state,
CONNECTOR_PROP_ROI_V1);
/*
* Check against CRTC ROI and Connector ROI not being updated together.
* This restriction should be relaxed when Connector ROI scaling is
* supported and while in clone mode.
*/
if (!sde_crtc_state_in_clone_mode(sde_conn->encoder, state) &&
is_conn_roi_dirty != is_crtc_roi_dirty) {
SDE_ERROR("connector/crtc rois not updated together\n");
return -EINVAL;
}
if (!mode_info.roi_caps.enabled)
continue;
/*
* When enable spr 2D filter in PU, it require over fetch lines.
* In this case, the roi size of connector and crtc are different.
* But the spr_roi is the original roi with over fetch lines,
* that should same with connector size.
*/
if (memcmp(&sde_conn_state->rois.roi, &crtc_state->user_roi_list.spr_roi,
sizeof(crtc_state->user_roi_list.spr_roi)) &&
(sde_conn_state->rois.num_rects !=
crtc_state->user_roi_list.num_rects)) {
SDE_ERROR("%s: crtc -> conn roi scaling unsupported\n",
sde_crtc->name);
return -EINVAL;
}
sde_kms_rect_merge_rectangles(&sde_conn_state->rois, &conn_roi);
SDE_DEBUG("conn_roi x:%u, y:%u, w:%u, h:%u\n",
conn_roi.x, conn_roi.y,
conn_roi.w, conn_roi.h);
SDE_EVT32_VERBOSE(DRMID(crtc), DRMID(conn),
conn_roi.x, conn_roi.y,
conn_roi.w, conn_roi.h);
}
sde_kms_rect_merge_rectangles(&crtc_state->user_roi_list, crtc_roi);
/* clear the ROI to null if it matches full screen anyways */
adj_mode = &state->adjusted_mode;
sde_crtc_get_resolution(crtc, state, adj_mode, &crtc_width, &crtc_height);
if (crtc_roi->x == 0 && crtc_roi->y == 0 &&
crtc_roi->w == crtc_width && crtc_roi->h == crtc_height)
memset(crtc_roi, 0, sizeof(*crtc_roi));
SDE_DEBUG("%s: crtc roi (%d,%d,%d,%d)\n", sde_crtc->name,
crtc_roi->x, crtc_roi->y, crtc_roi->w, crtc_roi->h);
SDE_EVT32_VERBOSE(DRMID(crtc), crtc_roi->x, crtc_roi->y, crtc_roi->w, crtc_roi->h);
return 0;
}
static int _sde_crtc_check_autorefresh(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *crtc_state;
struct drm_connector *conn;
struct drm_connector_state *conn_state;
int i;
if (!crtc || !state)
return -EINVAL;
sde_crtc = to_sde_crtc(crtc);
crtc_state = to_sde_crtc_state(state);
if (sde_kms_rect_is_null(&crtc_state->crtc_roi))
return 0;
/* partial update active, check if autorefresh is also requested */
for_each_new_connector_in_state(state->state, conn, conn_state, i) {
uint64_t autorefresh;
if (!conn_state || conn_state->crtc != crtc)
continue;
autorefresh = sde_connector_get_property(conn_state,
CONNECTOR_PROP_AUTOREFRESH);
if (autorefresh) {
SDE_ERROR(
"%s: autorefresh & partial crtc roi incompatible %llu\n",
sde_crtc->name, autorefresh);
return -EINVAL;
}
}
return 0;
}
static int _sde_crtc_set_lm_roi(struct drm_crtc *crtc,
struct drm_crtc_state *state, int lm_idx)
{
struct sde_kms *sde_kms;
struct sde_crtc *sde_crtc;
struct sde_crtc_state *crtc_state;
const struct sde_rect *crtc_roi;
const struct sde_rect *lm_bounds;
struct sde_rect *lm_roi;
if (!crtc || !state || lm_idx >= ARRAY_SIZE(crtc_state->lm_bounds))
return -EINVAL;
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms || !sde_kms->catalog) {
SDE_ERROR("invalid parameters\n");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
crtc_state = to_sde_crtc_state(state);
crtc_roi = &crtc_state->crtc_roi;
lm_bounds = &crtc_state->lm_bounds[lm_idx];
lm_roi = &crtc_state->lm_roi[lm_idx];
if (sde_kms_rect_is_null(crtc_roi))
memcpy(lm_roi, lm_bounds, sizeof(*lm_roi));
else
sde_kms_rect_intersect(crtc_roi, lm_bounds, lm_roi);
SDE_DEBUG("%s: lm%d roi (%d,%d,%d,%d)\n", sde_crtc->name, lm_idx,
lm_roi->x, lm_roi->y, lm_roi->w, lm_roi->h);
/*
* partial update is not supported with 3dmux dsc or dest scaler.
* hence, crtc roi must match the mixer dimensions.
*/
if (crtc_state->num_ds_enabled ||
sde_rm_topology_is_group(&sde_kms->rm, state,
SDE_RM_TOPOLOGY_GROUP_3DMERGE_DSC)) {
if (memcmp(lm_roi, lm_bounds, sizeof(struct sde_rect))) {
SDE_ERROR("Unsupported: Dest scaler/3d mux DSC + PU\n");
return -EINVAL;
}
}
/* if any dimension is zero, clear all dimensions for clarity */
if (sde_kms_rect_is_null(lm_roi))
memset(lm_roi, 0, sizeof(*lm_roi));
return 0;
}
static u32 _sde_crtc_get_displays_affected(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *crtc_state;
u32 disp_bitmask = 0;
int i;
if (!crtc || !state) {
pr_err("Invalid crtc or state\n");
return 0;
}
sde_crtc = to_sde_crtc(crtc);
crtc_state = to_sde_crtc_state(state);
/* pingpong split: one ROI, one LM, two physical displays */
if (crtc_state->is_ppsplit) {
u32 lm_split_width = crtc_state->lm_bounds[0].w / 2;
struct sde_rect *roi = &crtc_state->lm_roi[0];
if (sde_kms_rect_is_null(roi))
disp_bitmask = 0;
else if ((u32)roi->x + (u32)roi->w <= lm_split_width)
disp_bitmask = BIT(0); /* left only */
else if (roi->x >= lm_split_width)
disp_bitmask = BIT(1); /* right only */
else
disp_bitmask = BIT(0) | BIT(1); /* left and right */
} else if (sde_crtc->mixers_swapped) {
disp_bitmask = BIT(0);
} else {
for (i = 0; i < sde_crtc->num_mixers; i++) {
if (!sde_kms_rect_is_null(
&crtc_state->lm_roi[i]))
disp_bitmask |= BIT(i);
}
}
SDE_DEBUG("affected displays 0x%x\n", disp_bitmask);
return disp_bitmask;
}
static int _sde_crtc_check_rois_centered_and_symmetric(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *crtc_state;
const struct sde_rect *roi[MAX_MIXERS_PER_CRTC];
if (!crtc || !state)
return -EINVAL;
sde_crtc = to_sde_crtc(crtc);
crtc_state = to_sde_crtc_state(state);
if (sde_crtc->num_mixers > MAX_MIXERS_PER_CRTC) {
SDE_ERROR("%s: unsupported number of mixers: %d\n",
sde_crtc->name, sde_crtc->num_mixers);
return -EINVAL;
}
/*
* If using pingpong split: one ROI, one LM, two physical displays
* then the ROI must be centered on the panel split boundary and
* be of equal width across the split.
*/
if (crtc_state->is_ppsplit) {
u16 panel_split_width;
u32 display_mask;
roi[0] = &crtc_state->lm_roi[0];
if (sde_kms_rect_is_null(roi[0]))
return 0;
display_mask = _sde_crtc_get_displays_affected(crtc, state);
if (display_mask != (BIT(0) | BIT(1)))
return 0;
panel_split_width = crtc_state->lm_bounds[0].w / 2;
if (roi[0]->x + roi[0]->w / 2 != panel_split_width) {
SDE_ERROR("%s: roi x %d w %d split %d\n",
sde_crtc->name, roi[0]->x, roi[0]->w,
panel_split_width);
return -EINVAL;
}
return 0;
}
/*
* On certain HW, if using 2 LM, ROIs must be split evenly between the
* LMs and be of equal width.
*/
if (sde_crtc->num_mixers < CRTC_DUAL_MIXERS_ONLY)
return 0;
roi[0] = &crtc_state->lm_roi[0];
roi[1] = &crtc_state->lm_roi[1];
/* if one of the roi is null it's a left/right-only update */
if (sde_kms_rect_is_null(roi[0]) || sde_kms_rect_is_null(roi[1]))
return 0;
/* check lm rois are equal width & first roi ends at 2nd roi */
if (roi[0]->x + roi[0]->w != roi[1]->x || roi[0]->w != roi[1]->w) {
SDE_ERROR(
"%s: rois not centered and symmetric: roi0 x %d w %d roi1 x %d w %d\n",
sde_crtc->name, roi[0]->x, roi[0]->w,
roi[1]->x, roi[1]->w);
return -EINVAL;
}
return 0;
}
static int _sde_crtc_check_planes_within_crtc_roi(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *crtc_state;
const struct sde_rect *crtc_roi;
const struct drm_plane_state *pstate;
struct drm_plane *plane;
if (!crtc || !state)
return -EINVAL;
/*
* Reject commit if a Plane CRTC destination coordinates fall outside
* the partial CRTC ROI. LM output is determined via connector ROIs,
* if they are specified, not Plane CRTC ROIs.
*/
sde_crtc = to_sde_crtc(crtc);
crtc_state = to_sde_crtc_state(state);
crtc_roi = &crtc_state->crtc_roi;
if (sde_kms_rect_is_null(crtc_roi))
return 0;
drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) {
struct sde_rect plane_roi, intersection;
if (IS_ERR_OR_NULL(pstate)) {
int rc = PTR_ERR(pstate);
SDE_ERROR("%s: failed to get plane%d state, %d\n",
sde_crtc->name, plane->base.id, rc);
return rc;
}
plane_roi.x = pstate->crtc_x;
plane_roi.y = pstate->crtc_y;
plane_roi.w = pstate->crtc_w;
plane_roi.h = pstate->crtc_h;
sde_kms_rect_intersect(crtc_roi, &plane_roi, &intersection);
if (!sde_kms_rect_is_equal(&plane_roi, &intersection)) {
SDE_ERROR(
"%s: plane%d crtc roi (%d,%d,%d,%d) outside crtc roi (%d,%d,%d,%d)\n",
sde_crtc->name, plane->base.id,
plane_roi.x, plane_roi.y,
plane_roi.w, plane_roi.h,
crtc_roi->x, crtc_roi->y,
crtc_roi->w, crtc_roi->h);
return -E2BIG;
}
}
return 0;
}
static int _sde_crtc_check_rois(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *sde_crtc_state;
struct msm_mode_info *mode_info;
u32 crtc_width, crtc_height, mixer_width, mixer_height;
struct drm_display_mode *adj_mode;
int rc = 0, lm_idx, i;
struct drm_connector *conn;
struct drm_connector_state *conn_state;
if (!crtc || !state)
return -EINVAL;
mode_info = kzalloc(sizeof(struct msm_mode_info), GFP_KERNEL);
if (!mode_info)
return -ENOMEM;
sde_crtc = to_sde_crtc(crtc);
sde_crtc_state = to_sde_crtc_state(state);
adj_mode = &state->adjusted_mode;
sde_crtc_get_resolution(crtc, state, adj_mode, &crtc_width, &crtc_height);
sde_crtc_get_mixer_resolution(crtc, state, adj_mode, &mixer_width, &mixer_height);
/* check cumulative mixer w/h is equal full crtc w/h */
if (sde_crtc->num_mixers && (((mixer_width * sde_crtc->num_mixers) != crtc_width)
|| (mixer_height != crtc_height))) {
SDE_ERROR("%s: invalid w/h crtc:%d,%d, mixer:%d,%d, num_mixers:%d\n",
sde_crtc->name, crtc_width, crtc_height, mixer_width, mixer_height,
sde_crtc->num_mixers);
rc = -EINVAL;
goto end;
} else if (state->state) {
for_each_new_connector_in_state(state->state, conn, conn_state, i) {
if (conn_state && (conn_state->crtc == crtc)
&& ((sde_connector_is_dualpipe_3d_merge_enabled(conn_state)
&& (crtc_width % 4))
|| (sde_connector_is_quadpipe_3d_merge_enabled(conn_state)
&& (crtc_width % 8)))) {
SDE_ERROR(
"%s: invalid 3d-merge_w - mixer_w:%d, crtc_w:%d, num_mixers:%d\n",
sde_crtc->name, mixer_width,
crtc_width, sde_crtc->num_mixers);
return -EINVAL;
}
}
}
/*
* check connector array cached at modeset time since incoming atomic
* state may not include any connectors if they aren't modified
*/
for (i = 0; i < sde_crtc_state->num_connectors; i++) {
struct drm_connector *conn = sde_crtc_state->connectors[i];
if (!conn || !conn->state)
continue;
rc = sde_connector_state_get_mode_info(conn->state, mode_info);
if (rc) {
SDE_ERROR("failed to get mode info\n");
rc = -EINVAL;
goto end;
}
if (sde_connector_is_3d_merge_enabled(conn->state) && (mixer_width % 2)) {
SDE_ERROR(
"%s: invalid width w/ 3d-merge - mixer_w:%d, crtc_w:%d, num_mixers:%d\n",
sde_crtc->name, crtc_width, mixer_width, sde_crtc->num_mixers);
rc = -EINVAL;
goto end;
}
if (!mode_info->roi_caps.enabled)
continue;
if (sde_crtc_state->user_roi_list.num_rects >
mode_info->roi_caps.num_roi) {
SDE_ERROR("roi count is exceeding limit, %d > %d\n",
sde_crtc_state->user_roi_list.num_rects,
mode_info->roi_caps.num_roi);
rc = -E2BIG;
goto end;
}
rc = _sde_crtc_set_crtc_roi(crtc, state);
if (rc)
goto end;
rc = _sde_crtc_check_autorefresh(crtc, state);
if (rc)
goto end;
for (lm_idx = 0; lm_idx < sde_crtc->num_mixers; lm_idx++) {
rc = _sde_crtc_set_lm_roi(crtc, state, lm_idx);
if (rc)
goto end;
}
rc = _sde_crtc_check_rois_centered_and_symmetric(crtc, state);
if (rc)
goto end;
rc = _sde_crtc_check_planes_within_crtc_roi(crtc, state);
if (rc)
goto end;
}
end:
kfree(mode_info);
return rc;
}
static u32 _sde_crtc_calc_gcd(u32 a, u32 b)
{
if (b == 0)
return a;
return _sde_crtc_calc_gcd(b, a % b);
}
static int _sde_crtc_check_panel_stacking(struct drm_crtc *crtc, struct drm_crtc_state *state)
{
struct sde_kms *kms;
struct sde_crtc *sde_crtc;
struct sde_crtc_state *sde_crtc_state;
struct drm_connector *conn;
struct msm_mode_info mode_info;
struct drm_display_mode *adj_mode = &state->adjusted_mode;
struct msm_sub_mode sub_mode;
u32 gcd = 0, num_of_active_lines = 0, num_of_dummy_lines = 0;
int rc;
struct drm_encoder *encoder;
const u32 max_encoder_cnt = 1;
u32 encoder_cnt = 0;
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid kms\n");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
sde_crtc_state = to_sde_crtc_state(state);
/* panel stacking only support single connector */
drm_for_each_encoder_mask(encoder, crtc->dev, state->encoder_mask)
encoder_cnt++;
if (!kms->catalog->has_line_insertion || !state->mode_changed ||
encoder_cnt > max_encoder_cnt) {
SDE_DEBUG("no line insertion support mode change %d enc cnt %d\n",
state->mode_changed, encoder_cnt);
sde_crtc_state->line_insertion.padding_height = 0;
return 0;
}
conn = sde_crtc_state->connectors[0];
rc = sde_connector_get_mode_info(conn, adj_mode, &sub_mode, &mode_info);
if (rc) {
SDE_ERROR("failed to get mode info %d\n", rc);
return -EINVAL;
}
if (!mode_info.vpadding) {
sde_crtc_state->line_insertion.padding_height = 0;
return 0;
}
if (mode_info.vpadding < state->mode.vdisplay) {
SDE_ERROR("padding height %d is less than vdisplay %d\n",
mode_info.vpadding, state->mode.vdisplay);
return -EINVAL;
} else if (mode_info.vpadding == state->mode.vdisplay) {
SDE_DEBUG("padding height %d is equal to the vdisplay %d\n",
mode_info.vpadding, state->mode.vdisplay);
sde_crtc_state->line_insertion.padding_height = 0;
return 0;
} else if (mode_info.vpadding == sde_crtc_state->line_insertion.padding_height) {
return 0; /* skip calculation if already cached */
}
gcd = _sde_crtc_calc_gcd(mode_info.vpadding, state->mode.vdisplay);
if (!gcd) {
SDE_ERROR("zero gcd found for padding height %d %d\n",
mode_info.vpadding, state->mode.vdisplay);
return -EINVAL;
}
num_of_active_lines = state->mode.vdisplay;
do_div(num_of_active_lines, gcd);
num_of_dummy_lines = mode_info.vpadding;
do_div(num_of_dummy_lines, gcd);
num_of_dummy_lines = num_of_dummy_lines - num_of_active_lines;
if (num_of_active_lines > MAX_VPADDING_RATIO_M ||
num_of_dummy_lines > MAX_VPADDING_RATIO_N) {
SDE_ERROR("unsupported panel stacking pattern %d:%d", num_of_active_lines,
num_of_dummy_lines);
return -EINVAL;
}
sde_crtc_state->line_insertion.padding_active = num_of_active_lines;
sde_crtc_state->line_insertion.padding_dummy = num_of_dummy_lines;
sde_crtc_state->line_insertion.padding_height = mode_info.vpadding;
return 0;
}
static void _sde_crtc_program_lm_output_roi(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
const struct sde_rect *lm_roi;
struct sde_hw_mixer *hw_lm;
bool right_mixer = false;
bool lm_updated = false;
int lm_idx;
if (!crtc)
return;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
for (lm_idx = 0; lm_idx < sde_crtc->num_mixers; lm_idx++) {
struct sde_hw_mixer_cfg cfg;
lm_roi = &cstate->lm_roi[lm_idx];
hw_lm = sde_crtc->mixers[lm_idx].hw_lm;
right_mixer = lm_idx % MAX_MIXERS_PER_LAYOUT;
if (sde_crtc->mixers_swapped)
right_mixer = !right_mixer;
if (lm_roi->w != hw_lm->cfg.out_width ||
lm_roi->h != hw_lm->cfg.out_height ||
right_mixer != hw_lm->cfg.right_mixer) {
hw_lm->cfg.out_width = lm_roi->w;
hw_lm->cfg.out_height = lm_roi->h;
hw_lm->cfg.right_mixer = right_mixer;
cfg.out_width = lm_roi->w;
cfg.out_height = lm_roi->h;
cfg.right_mixer = right_mixer;
cfg.flags = 0;
if (hw_lm->ops.setup_mixer_out)
hw_lm->ops.setup_mixer_out(hw_lm, &cfg);
lm_updated = true;
}
SDE_EVT32(DRMID(crtc), lm_idx, lm_roi->x, lm_roi->y, lm_roi->w,
lm_roi->h, right_mixer, lm_updated);
}
if (lm_updated)
sde_cp_crtc_res_change(crtc);
}
struct plane_state {
struct sde_plane_state *sde_pstate;
const struct drm_plane_state *drm_pstate;
int stage;
u32 pipe_id;
};
static int pstate_cmp(const void *a, const void *b)
{
struct plane_state *pa = (struct plane_state *)a;
struct plane_state *pb = (struct plane_state *)b;
int rc = 0;
int pa_zpos, pb_zpos;
enum sde_layout pa_layout, pb_layout;
if ((!pa || !pa->sde_pstate) || (!pb || !pb->sde_pstate))
return rc;
pa_zpos = sde_plane_get_property(pa->sde_pstate, PLANE_PROP_ZPOS);
pb_zpos = sde_plane_get_property(pb->sde_pstate, PLANE_PROP_ZPOS);
pa_layout = pa->sde_pstate->layout;
pb_layout = pb->sde_pstate->layout;
if (pa_zpos != pb_zpos)
rc = pa_zpos - pb_zpos;
else if (pa_layout != pb_layout)
rc = pa_layout - pb_layout;
else
rc = pa->drm_pstate->crtc_x - pb->drm_pstate->crtc_x;
return rc;
}
/*
* validate and set source split:
* use pstates sorted by stage to check planes on same stage
* we assume that all pipes are in source split so its valid to compare
* without taking into account left/right mixer placement
*/
static int _sde_crtc_validate_src_split_order(struct drm_crtc *crtc,
struct plane_state *pstates, int cnt)
{
struct plane_state *prv_pstate, *cur_pstate;
enum sde_layout prev_layout, cur_layout;
struct sde_rect left_rect, right_rect;
struct sde_kms *sde_kms;
int32_t left_pid, right_pid;
int32_t stage;
int i, rc = 0;
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms || !sde_kms->catalog) {
SDE_ERROR("invalid parameters\n");
return -EINVAL;
}
for (i = 1; i < cnt; i++) {
prv_pstate = &pstates[i - 1];
cur_pstate = &pstates[i];
prev_layout = prv_pstate->sde_pstate->layout;
cur_layout = cur_pstate->sde_pstate->layout;
if (prv_pstate->stage != cur_pstate->stage ||
prev_layout != cur_layout)
continue;
stage = cur_pstate->stage;
left_pid = prv_pstate->sde_pstate->base.plane->base.id;
POPULATE_RECT(&left_rect, prv_pstate->drm_pstate->crtc_x,
prv_pstate->drm_pstate->crtc_y,
prv_pstate->drm_pstate->crtc_w,
prv_pstate->drm_pstate->crtc_h, false);
right_pid = cur_pstate->sde_pstate->base.plane->base.id;
POPULATE_RECT(&right_rect, cur_pstate->drm_pstate->crtc_x,
cur_pstate->drm_pstate->crtc_y,
cur_pstate->drm_pstate->crtc_w,
cur_pstate->drm_pstate->crtc_h, false);
if (right_rect.x < left_rect.x) {
swap(left_pid, right_pid);
swap(left_rect, right_rect);
swap(prv_pstate, cur_pstate);
}
/*
* - planes are enumerated in pipe-priority order such that
* planes with lower drm_id must be left-most in a shared
* blend-stage when using source split.
* - planes in source split must be contiguous in width
* - planes in source split must have same dest yoff and height
*/
if ((right_pid < left_pid) &&
!sde_kms->catalog->pipe_order_type) {
SDE_ERROR(
"invalid src split cfg, stage:%d left:%d right:%d\n",
stage, left_pid, right_pid);
return -EINVAL;
} else if (right_rect.x != (left_rect.x + left_rect.w)) {
SDE_ERROR(
"invalid coordinates, stage:%d l:%d-%d r:%d-%d\n",
stage, left_rect.x, left_rect.w,
right_rect.x, right_rect.w);
return -EINVAL;
} else if ((left_rect.y != right_rect.y) ||
(left_rect.h != right_rect.h)) {
SDE_ERROR(
"stage:%d invalid yoff/ht: l_yxh:%dx%d r_yxh:%dx%d\n",
stage, left_rect.y, left_rect.h,
right_rect.y, right_rect.h);
return -EINVAL;
}
}
return rc;
}
static void _sde_crtc_set_src_split_order(struct drm_crtc *crtc,
struct plane_state *pstates, int cnt)
{
struct plane_state *prv_pstate, *cur_pstate, *nxt_pstate;
enum sde_layout prev_layout, cur_layout;
struct sde_kms *sde_kms;
struct sde_rect left_rect, right_rect;
int32_t left_pid, right_pid;
int32_t stage;
int i;
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms || !sde_kms->catalog) {
SDE_ERROR("invalid parameters\n");
return;
}
if (!sde_kms->catalog->pipe_order_type)
return;
for (i = 0; i < cnt; i++) {
prv_pstate = (i > 0) ? &pstates[i - 1] : NULL;
cur_pstate = &pstates[i];
nxt_pstate = ((i + 1) < cnt) ? &pstates[i + 1] : NULL;
prev_layout = prv_pstate ? prv_pstate->sde_pstate->layout :
SDE_LAYOUT_NONE;
cur_layout = cur_pstate->sde_pstate->layout;
if ((!prv_pstate) || (prv_pstate->stage != cur_pstate->stage)
|| (prev_layout != cur_layout)) {
/*
* reset if prv or nxt pipes are not in the same stage
* as the cur pipe
*/
if ((!nxt_pstate)
|| (nxt_pstate->stage != cur_pstate->stage)
|| (nxt_pstate->sde_pstate->layout !=
cur_pstate->sde_pstate->layout))
cur_pstate->sde_pstate->pipe_order_flags = 0;
continue;
}
stage = cur_pstate->stage;
left_pid = prv_pstate->sde_pstate->base.plane->base.id;
POPULATE_RECT(&left_rect, prv_pstate->drm_pstate->crtc_x,
prv_pstate->drm_pstate->crtc_y,
prv_pstate->drm_pstate->crtc_w,
prv_pstate->drm_pstate->crtc_h, false);
right_pid = cur_pstate->sde_pstate->base.plane->base.id;
POPULATE_RECT(&right_rect, cur_pstate->drm_pstate->crtc_x,
cur_pstate->drm_pstate->crtc_y,
cur_pstate->drm_pstate->crtc_w,
cur_pstate->drm_pstate->crtc_h, false);
if (right_rect.x < left_rect.x) {
swap(left_pid, right_pid);
swap(left_rect, right_rect);
swap(prv_pstate, cur_pstate);
}
cur_pstate->sde_pstate->pipe_order_flags = SDE_SSPP_RIGHT;
prv_pstate->sde_pstate->pipe_order_flags = 0;
}
for (i = 0; i < cnt; i++) {
cur_pstate = &pstates[i];
sde_plane_setup_src_split_order(
cur_pstate->drm_pstate->plane,
cur_pstate->sde_pstate->multirect_index,
cur_pstate->sde_pstate->pipe_order_flags);
}
}
static void _sde_crtc_setup_blend_cfg_by_stage(struct sde_crtc_mixer *mixer,
int num_mixers, struct plane_state *pstates, int cnt)
{
int i, lm_idx;
struct sde_format *format;
bool blend_stage[SDE_STAGE_MAX] = { false };
u32 blend_type;
for (i = cnt - 1; i >= 0; i--) {
blend_type = sde_plane_get_property(pstates[i].sde_pstate,
PLANE_PROP_BLEND_OP);
/* stage has already been programmed or BLEND_OP_SKIP type */
if (blend_stage[pstates[i].sde_pstate->stage] ||
blend_type == SDE_DRM_BLEND_OP_SKIP)
continue;
for (lm_idx = 0; lm_idx < num_mixers; lm_idx++) {
format = to_sde_format(msm_framebuffer_format(
pstates[i].sde_pstate->base.fb));
if (!format) {
SDE_ERROR("invalid format\n");
return;
}
_sde_crtc_setup_blend_cfg(mixer + lm_idx,
pstates[i].sde_pstate, format);
blend_stage[pstates[i].sde_pstate->stage] = true;
}
}
}
static void _sde_crtc_blend_setup_mixer(struct drm_crtc *crtc,
struct drm_crtc_state *old_state, struct sde_crtc *sde_crtc,
struct sde_crtc_mixer *mixer)
{
struct drm_plane *plane;
struct drm_framebuffer *fb;
struct drm_plane_state *state;
struct sde_crtc_state *cstate;
struct sde_plane_state *pstate = NULL;
struct plane_state *pstates = NULL;
struct sde_format *format;
struct sde_hw_ctl *ctl;
struct sde_hw_mixer *lm;
struct sde_hw_stage_cfg *stage_cfg;
struct sde_rect plane_crtc_roi;
uint32_t stage_idx, lm_idx, layout_idx;
int zpos_cnt[MAX_LAYOUTS_PER_CRTC][SDE_STAGE_MAX + 1];
int i, mode, cnt = 0;
bool bg_alpha_enable = false;
u32 blend_type;
struct sde_cp_crtc_skip_blend_plane skip_blend_plane;
DECLARE_BITMAP(fetch_active, SSPP_MAX);
if (!sde_crtc || !crtc->state || !mixer) {
SDE_ERROR("invalid sde_crtc or mixer\n");
return;
}
ctl = mixer->hw_ctl;
lm = mixer->hw_lm;
cstate = to_sde_crtc_state(crtc->state);
pstates = kcalloc(SDE_PSTATES_MAX,
sizeof(struct plane_state), GFP_KERNEL);
if (!pstates)
return;
memset(fetch_active, 0, sizeof(fetch_active));
memset(zpos_cnt, 0, sizeof(zpos_cnt));
drm_atomic_crtc_for_each_plane(plane, crtc) {
state = plane->state;
if (!state)
continue;
plane_crtc_roi.x = state->crtc_x;
plane_crtc_roi.y = state->crtc_y;
plane_crtc_roi.w = state->crtc_w;
plane_crtc_roi.h = state->crtc_h;
pstate = to_sde_plane_state(state);
fb = state->fb;
mode = sde_plane_get_property(pstate,
PLANE_PROP_FB_TRANSLATION_MODE);
set_bit(sde_plane_pipe(plane), fetch_active);
sde_plane_ctl_flush(plane, ctl, true);
SDE_DEBUG("crtc %d stage:%d - plane %d sspp %d fb %d\n",
crtc->base.id,
pstate->stage,
plane->base.id,
sde_plane_pipe(plane) - SSPP_VIG0,
state->fb ? state->fb->base.id : -1);
format = to_sde_format(msm_framebuffer_format(pstate->base.fb));
if (!format) {
SDE_ERROR("invalid format\n");
goto end;
}
blend_type = sde_plane_get_property(pstate,
PLANE_PROP_BLEND_OP);
if (blend_type == SDE_DRM_BLEND_OP_SKIP) {
skip_blend_plane.valid_plane = true;
skip_blend_plane.plane = sde_plane_pipe(plane);
skip_blend_plane.height = plane_crtc_roi.h;
skip_blend_plane.width = plane_crtc_roi.w;
sde_cp_set_skip_blend_plane_info(crtc, &skip_blend_plane);
}
if (blend_type != SDE_DRM_BLEND_OP_SKIP) {
if (pstate->stage == SDE_STAGE_BASE &&
format->alpha_enable)
bg_alpha_enable = true;
SDE_EVT32(DRMID(crtc), DRMID(plane),
state->fb ? state->fb->base.id : -1,
state->src_x >> 16, state->src_y >> 16,
state->src_w >> 16, state->src_h >> 16,
state->crtc_x, state->crtc_y,
state->crtc_w, state->crtc_h,
pstate->rotation, mode);
/*
* none or left layout will program to layer mixer
* group 0, right layout will program to layer mixer
* group 1.
*/
if (pstate->layout <= SDE_LAYOUT_LEFT)
layout_idx = 0;
else
layout_idx = 1;
stage_cfg = &sde_crtc->stage_cfg[layout_idx];
stage_idx = zpos_cnt[layout_idx][pstate->stage]++;
stage_cfg->stage[pstate->stage][stage_idx] =
sde_plane_pipe(plane);
stage_cfg->multirect_index[pstate->stage][stage_idx] =
pstate->multirect_index;
SDE_EVT32(DRMID(crtc), DRMID(plane), stage_idx,
sde_plane_pipe(plane) - SSPP_VIG0,
pstate->stage,
pstate->multirect_index,
pstate->multirect_mode,
format->base.pixel_format,
fb ? fb->modifier : 0,
layout_idx);
for (lm_idx = 0; lm_idx < sde_crtc->num_mixers;
lm_idx++) {
if (bg_alpha_enable && !format->alpha_enable)
mixer[lm_idx].mixer_op_mode = 0;
else
mixer[lm_idx].mixer_op_mode |=
1 << pstate->stage;
}
}
if (cnt >= SDE_PSTATES_MAX)
continue;
pstates[cnt].sde_pstate = pstate;
pstates[cnt].drm_pstate = state;
if (blend_type == SDE_DRM_BLEND_OP_SKIP)
pstates[cnt].stage = SKIP_STAGING_PIPE_ZPOS;
else
pstates[cnt].stage = sde_plane_get_property(
pstates[cnt].sde_pstate, PLANE_PROP_ZPOS);
pstates[cnt].pipe_id = sde_plane_pipe(plane);
cnt++;
}
/* blend config update */
_sde_crtc_setup_blend_cfg_by_stage(mixer, sde_crtc->num_mixers,
pstates, cnt);
if (ctl->ops.set_active_pipes)
ctl->ops.set_active_pipes(ctl, fetch_active);
sort(pstates, cnt, sizeof(pstates[0]), pstate_cmp, NULL);
_sde_crtc_set_src_split_order(crtc, pstates, cnt);
if (lm && lm->ops.setup_dim_layer) {
cstate = to_sde_crtc_state(crtc->state);
if (test_bit(SDE_CRTC_DIRTY_DIM_LAYERS, cstate->dirty)) {
for (i = 0; i < cstate->num_dim_layers; i++)
_sde_crtc_setup_dim_layer_cfg(crtc, sde_crtc,
mixer, &cstate->dim_layer[i]);
clear_bit(SDE_CRTC_DIRTY_DIM_LAYERS, cstate->dirty);
}
}
end:
kfree(pstates);
}
static void _sde_crtc_swap_mixers_for_right_partial_update(
struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_encoder *drm_enc;
bool is_right_only;
bool encoder_in_dsc_merge = false;
if (!crtc || !crtc->state)
return;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
if (sde_crtc->num_mixers != CRTC_DUAL_MIXERS_ONLY)
return;
drm_for_each_encoder_mask(drm_enc, crtc->dev,
crtc->state->encoder_mask) {
if (sde_encoder_is_dsc_merge(drm_enc)) {
encoder_in_dsc_merge = true;
break;
}
}
/**
* For right-only partial update with DSC merge, we swap LM0 & LM1.
* This is due to two reasons:
* - On 8996, there is a DSC HW requirement that in DSC Merge Mode,
* the left DSC must be used, right DSC cannot be used alone.
* For right-only partial update, this means swap layer mixers to map
* Left LM to Right INTF. On later HW this was relaxed.
* - In DSC Merge mode, the physical encoder has already registered
* PP0 as the master, to switch to right-only we would have to
* reprogram to be driven by PP1 instead.
* To support both cases, we prefer to support the mixer swap solution.
*/
if (!encoder_in_dsc_merge) {
if (sde_crtc->mixers_swapped) {
swap(sde_crtc->mixers[0], sde_crtc->mixers[1]);
sde_crtc->mixers_swapped = false;
SDE_EVT32(SDE_EVTLOG_FUNC_CASE1);
}
return;
}
is_right_only = sde_kms_rect_is_null(&cstate->lm_roi[0]) &&
!sde_kms_rect_is_null(&cstate->lm_roi[1]);
if (is_right_only && !sde_crtc->mixers_swapped) {
/* right-only update swap mixers */
swap(sde_crtc->mixers[0], sde_crtc->mixers[1]);
sde_crtc->mixers_swapped = true;
} else if (!is_right_only && sde_crtc->mixers_swapped) {
/* left-only or full update, swap back */
swap(sde_crtc->mixers[0], sde_crtc->mixers[1]);
sde_crtc->mixers_swapped = false;
}
SDE_DEBUG("%s: right_only %d swapped %d, mix0->lm%d, mix1->lm%d\n",
sde_crtc->name, is_right_only, sde_crtc->mixers_swapped,
sde_crtc->mixers[0].hw_lm->idx - LM_0,
sde_crtc->mixers[1].hw_lm->idx - LM_0);
SDE_EVT32(DRMID(crtc), is_right_only, sde_crtc->mixers_swapped,
sde_crtc->mixers[0].hw_lm->idx - LM_0,
sde_crtc->mixers[1].hw_lm->idx - LM_0);
}
/**
* _sde_crtc_blend_setup - configure crtc mixers
* @crtc: Pointer to drm crtc structure
* @old_state: Pointer to old crtc state
* @add_planes: Whether or not to add planes to mixers
*/
static void _sde_crtc_blend_setup(struct drm_crtc *crtc,
struct drm_crtc_state *old_state, bool add_planes)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *sde_crtc_state;
struct sde_crtc_mixer *mixer;
struct sde_hw_ctl *ctl;
struct sde_hw_mixer *lm;
struct sde_ctl_flush_cfg cfg = {0,};
int i;
if (!crtc)
return;
sde_crtc = to_sde_crtc(crtc);
sde_crtc_state = to_sde_crtc_state(crtc->state);
mixer = sde_crtc->mixers;
SDE_DEBUG("%s\n", sde_crtc->name);
if (sde_crtc->num_mixers > MAX_MIXERS_PER_CRTC) {
SDE_ERROR("invalid number mixers: %d\n", sde_crtc->num_mixers);
return;
}
if (test_bit(SDE_CRTC_DIRTY_DIM_LAYERS, &sde_crtc->revalidate_mask)) {
set_bit(SDE_CRTC_DIRTY_DIM_LAYERS, sde_crtc_state->dirty);
clear_bit(SDE_CRTC_DIRTY_DIM_LAYERS, &sde_crtc->revalidate_mask);
}
for (i = 0; i < sde_crtc->num_mixers; i++) {
if (!mixer[i].hw_lm) {
SDE_ERROR("invalid lm or ctl assigned to mixer\n");
return;
}
mixer[i].mixer_op_mode = 0;
if (test_bit(SDE_CRTC_DIRTY_DIM_LAYERS,
sde_crtc_state->dirty)) {
/* clear dim_layer settings */
lm = mixer[i].hw_lm;
if (lm->ops.clear_dim_layer)
lm->ops.clear_dim_layer(lm);
}
}
_sde_crtc_swap_mixers_for_right_partial_update(crtc);
/* initialize stage cfg */
memset(&sde_crtc->stage_cfg, 0, sizeof(sde_crtc->stage_cfg));
if (add_planes)
_sde_crtc_blend_setup_mixer(crtc, old_state, sde_crtc, mixer);
for (i = 0; i < sde_crtc->num_mixers; i++) {
const struct sde_rect *lm_roi = &sde_crtc_state->lm_roi[i];
int lm_layout = i / MAX_MIXERS_PER_LAYOUT;
ctl = mixer[i].hw_ctl;
lm = mixer[i].hw_lm;
if (sde_kms_rect_is_null(lm_roi))
sde_crtc->mixers[i].mixer_op_mode = 0;
if (lm->ops.setup_alpha_out)
lm->ops.setup_alpha_out(lm, mixer[i].mixer_op_mode);
/* stage config flush mask */
ctl->ops.update_bitmask_mixer(ctl, mixer[i].hw_lm->idx, 1);
ctl->ops.get_pending_flush(ctl, &cfg);
SDE_DEBUG("lm %d, op_mode 0x%X, ctl %d, flush mask 0x%x\n",
mixer[i].hw_lm->idx - LM_0,
mixer[i].mixer_op_mode,
ctl->idx - CTL_0,
cfg.pending_flush_mask);
if (sde_kms_rect_is_null(lm_roi)) {
SDE_DEBUG(
"%s: lm%d leave ctl%d mask 0 since null roi\n",
sde_crtc->name, lm->idx - LM_0,
ctl->idx - CTL_0);
ctl->ops.setup_blendstage(ctl, mixer[i].hw_lm->idx,
NULL, true);
} else {
ctl->ops.setup_blendstage(ctl, mixer[i].hw_lm->idx,
&sde_crtc->stage_cfg[lm_layout],
false);
}
}
_sde_crtc_program_lm_output_roi(crtc);
}
int sde_crtc_find_plane_fb_modes(struct drm_crtc *crtc,
uint32_t *fb_ns, uint32_t *fb_sec, uint32_t *fb_sec_dir)
{
struct drm_plane *plane;
struct sde_plane_state *sde_pstate;
uint32_t mode = 0;
int rc;
if (!crtc) {
SDE_ERROR("invalid state\n");
return -EINVAL;
}
*fb_ns = 0;
*fb_sec = 0;
*fb_sec_dir = 0;
drm_atomic_crtc_for_each_plane(plane, crtc) {
if (IS_ERR_OR_NULL(plane) || IS_ERR_OR_NULL(plane->state)) {
rc = PTR_ERR(plane);
SDE_ERROR("crtc%d failed to get plane%d state%d\n",
DRMID(crtc), DRMID(plane), rc);
return rc;
}
sde_pstate = to_sde_plane_state(plane->state);
mode = sde_plane_get_property(sde_pstate,
PLANE_PROP_FB_TRANSLATION_MODE);
switch (mode) {
case SDE_DRM_FB_NON_SEC:
(*fb_ns)++;
break;
case SDE_DRM_FB_SEC:
(*fb_sec)++;
break;
case SDE_DRM_FB_SEC_DIR_TRANS:
(*fb_sec_dir)++;
break;
case SDE_DRM_FB_NON_SEC_DIR_TRANS:
break;
default:
SDE_ERROR("Error: Plane[%d], fb_trans_mode:%d",
DRMID(plane), mode);
return -EINVAL;
}
}
return 0;
}
int sde_crtc_state_find_plane_fb_modes(struct drm_crtc_state *state,
uint32_t *fb_ns, uint32_t *fb_sec, uint32_t *fb_sec_dir)
{
struct drm_plane *plane;
const struct drm_plane_state *pstate;
struct sde_plane_state *sde_pstate;
uint32_t mode = 0;
int rc;
if (!state) {
SDE_ERROR("invalid state\n");
return -EINVAL;
}
*fb_ns = 0;
*fb_sec = 0;
*fb_sec_dir = 0;
drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) {
if (IS_ERR_OR_NULL(pstate)) {
rc = PTR_ERR(pstate);
SDE_ERROR("crtc%d failed to get plane%d state%d\n",
DRMID(state->crtc), DRMID(plane), rc);
return rc;
}
sde_pstate = to_sde_plane_state(pstate);
mode = sde_plane_get_property(sde_pstate,
PLANE_PROP_FB_TRANSLATION_MODE);
switch (mode) {
case SDE_DRM_FB_NON_SEC:
(*fb_ns)++;
break;
case SDE_DRM_FB_SEC:
(*fb_sec)++;
break;
case SDE_DRM_FB_SEC_DIR_TRANS:
(*fb_sec_dir)++;
break;
case SDE_DRM_FB_NON_SEC_DIR_TRANS:
break;
default:
SDE_ERROR("Error: Plane[%d], fb_trans_mode:%d",
DRMID(plane), mode);
return -EINVAL;
}
}
return 0;
}
static void _sde_drm_fb_sec_dir_trans(
struct sde_kms_smmu_state_data *smmu_state, uint32_t secure_level,
struct sde_mdss_cfg *catalog, bool old_valid_fb, int *ops)
{
/* secure display usecase */
if ((smmu_state->state == ATTACHED) && (secure_level == SDE_DRM_SEC_ONLY)) {
smmu_state->state = (test_bit(SDE_FEATURE_SUI_NS_ALLOWED, catalog->features)) ?
DETACH_SEC_REQ : DETACH_ALL_REQ;
smmu_state->secure_level = secure_level;
smmu_state->transition_type = PRE_COMMIT;
*ops |= SDE_KMS_OPS_SECURE_STATE_CHANGE;
if (old_valid_fb)
*ops |= (SDE_KMS_OPS_WAIT_FOR_TX_DONE | SDE_KMS_OPS_CLEANUP_PLANE_FB);
if (test_bit(SDE_FEATURE_SUI_MISR, catalog->features))
smmu_state->sui_misr_state = SUI_MISR_ENABLE_REQ;
/* secure camera usecase */
} else if (smmu_state->state == ATTACHED) {
smmu_state->state = DETACH_SEC_REQ;
smmu_state->secure_level = secure_level;
smmu_state->transition_type = PRE_COMMIT;
*ops |= SDE_KMS_OPS_SECURE_STATE_CHANGE;
}
}
static void _sde_drm_fb_transactions(
struct sde_kms_smmu_state_data *smmu_state,
struct sde_mdss_cfg *catalog, bool old_valid_fb, bool post_commit,
int *ops)
{
if (((smmu_state->state == DETACHED)
|| (smmu_state->state == DETACH_ALL_REQ))
|| ((smmu_state->secure_level == SDE_DRM_SEC_ONLY)
&& ((smmu_state->state == DETACHED_SEC)
|| (smmu_state->state == DETACH_SEC_REQ)))) {
smmu_state->state = (test_bit(SDE_FEATURE_SUI_NS_ALLOWED, catalog->features)) ?
ATTACH_SEC_REQ : ATTACH_ALL_REQ;
smmu_state->transition_type = post_commit ?
POST_COMMIT : PRE_COMMIT;
*ops |= SDE_KMS_OPS_SECURE_STATE_CHANGE;
if (old_valid_fb)
*ops |= SDE_KMS_OPS_WAIT_FOR_TX_DONE;
if (test_bit(SDE_FEATURE_SUI_MISR, catalog->features))
smmu_state->sui_misr_state = SUI_MISR_DISABLE_REQ;
} else if ((smmu_state->state == DETACHED_SEC)
|| (smmu_state->state == DETACH_SEC_REQ)) {
smmu_state->state = ATTACH_SEC_REQ;
smmu_state->transition_type = post_commit ?
POST_COMMIT : PRE_COMMIT;
*ops |= SDE_KMS_OPS_SECURE_STATE_CHANGE;
if (old_valid_fb)
*ops |= SDE_KMS_OPS_WAIT_FOR_TX_DONE;
}
}
/**
* sde_crtc_get_secure_transition_ops - determines the operations that
* need to be performed before transitioning to secure state
* This function should be called after swapping the new state
* @crtc: Pointer to drm crtc structure
* Returns the bitmask of operations need to be performed, -Error in
* case of error cases
*/
int sde_crtc_get_secure_transition_ops(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state,
bool old_valid_fb)
{
struct drm_plane *plane;
struct drm_encoder *encoder;
struct sde_crtc *sde_crtc;
struct sde_kms *sde_kms;
struct sde_mdss_cfg *catalog;
struct sde_kms_smmu_state_data *smmu_state;
uint32_t translation_mode = 0, secure_level;
int ops = 0;
bool post_commit = false;
if (!crtc || !crtc->state) {
SDE_ERROR("invalid crtc\n");
return -EINVAL;
}
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms)
return -EINVAL;
smmu_state = &sde_kms->smmu_state;
smmu_state->prev_state = smmu_state->state;
smmu_state->prev_secure_level = smmu_state->secure_level;
sde_crtc = to_sde_crtc(crtc);
secure_level = sde_crtc_get_secure_level(crtc, crtc->state);
catalog = sde_kms->catalog;
/*
* SMMU operations need to be delayed in case of video mode panels
* when switching back to non_secure mode
*/
drm_for_each_encoder_mask(encoder, crtc->dev,
crtc->state->encoder_mask) {
if (sde_encoder_is_dsi_display(encoder))
post_commit |= sde_encoder_check_curr_mode(encoder,
MSM_DISPLAY_VIDEO_MODE);
}
SDE_DEBUG("crtc%d: secure_level %d old_valid_fb %d post_commit %d\n",
DRMID(crtc), secure_level, old_valid_fb, post_commit);
SDE_EVT32_VERBOSE(DRMID(crtc), secure_level, smmu_state->state,
old_valid_fb, post_commit, SDE_EVTLOG_FUNC_ENTRY);
drm_atomic_crtc_for_each_plane(plane, crtc) {
if (!plane->state)
continue;
translation_mode = sde_plane_get_property(
to_sde_plane_state(plane->state),
PLANE_PROP_FB_TRANSLATION_MODE);
if (translation_mode > SDE_DRM_FB_SEC_DIR_TRANS) {
SDE_ERROR("crtc%d: invalid translation_mode %d\n",
DRMID(crtc), translation_mode);
return -EINVAL;
}
/* we can break if we find sec_dir plane */
if (translation_mode == SDE_DRM_FB_SEC_DIR_TRANS)
break;
}
mutex_lock(&sde_kms->secure_transition_lock);
switch (translation_mode) {
case SDE_DRM_FB_SEC_DIR_TRANS:
_sde_drm_fb_sec_dir_trans(smmu_state, secure_level,
catalog, old_valid_fb, &ops);
break;
case SDE_DRM_FB_SEC:
case SDE_DRM_FB_NON_SEC:
_sde_drm_fb_transactions(smmu_state, catalog,
old_valid_fb, post_commit, &ops);
break;
case SDE_DRM_FB_NON_SEC_DIR_TRANS:
ops = 0;
break;
default:
SDE_ERROR("crtc%d: invalid plane fb_mode %d\n",
DRMID(crtc), translation_mode);
ops = -EINVAL;
}
/* log only during actual transition times */
if (ops) {
SDE_DEBUG("crtc%d: state%d sec%d sec_lvl%d type%d ops%x\n",
DRMID(crtc), smmu_state->state,
secure_level, smmu_state->secure_level,
smmu_state->transition_type, ops);
SDE_EVT32(DRMID(crtc), secure_level, translation_mode,
smmu_state->state, smmu_state->transition_type,
smmu_state->secure_level, old_valid_fb,
post_commit, ops, SDE_EVTLOG_FUNC_EXIT);
}
mutex_unlock(&sde_kms->secure_transition_lock);
return ops;
}
/**
* _sde_crtc_setup_scaler3_lut - Set up scaler lut
* LUTs are configured only once during boot
* @sde_crtc: Pointer to sde crtc
* @cstate: Pointer to sde crtc state
*/
static int _sde_crtc_set_dest_scaler_lut(struct sde_crtc *sde_crtc,
struct sde_crtc_state *cstate, uint32_t lut_idx)
{
struct sde_hw_scaler3_lut_cfg *cfg;
struct sde_kms *sde_kms;
u32 *lut_data = NULL;
size_t len = 0;
int ret = 0;
if (!sde_crtc || !cstate) {
SDE_ERROR("invalid args\n");
return -EINVAL;
}
sde_kms = _sde_crtc_get_kms(&sde_crtc->base);
if (!sde_kms)
return -EINVAL;
if (is_qseed3_rev_qseed3lite(sde_kms->catalog))
return 0;
lut_data = msm_property_get_blob(&sde_crtc->property_info,
&cstate->property_state, &len, lut_idx);
if (!lut_data || !len) {
SDE_DEBUG("%s: lut(%d): cleared: %pK, %zu\n", sde_crtc->name,
lut_idx, lut_data, len);
lut_data = NULL;
len = 0;
}
cfg = &cstate->scl3_lut_cfg;
switch (lut_idx) {
case CRTC_PROP_DEST_SCALER_LUT_ED:
cfg->dir_lut = lut_data;
cfg->dir_len = len;
break;
case CRTC_PROP_DEST_SCALER_LUT_CIR:
cfg->cir_lut = lut_data;
cfg->cir_len = len;
break;
case CRTC_PROP_DEST_SCALER_LUT_SEP:
cfg->sep_lut = lut_data;
cfg->sep_len = len;
break;
default:
ret = -EINVAL;
SDE_ERROR("%s:invalid LUT idx(%d)\n", sde_crtc->name, lut_idx);
SDE_EVT32(DRMID(&sde_crtc->base), lut_idx, SDE_EVTLOG_ERROR);
break;
}
cfg->is_configured = cfg->dir_lut && cfg->cir_lut && cfg->sep_lut;
SDE_EVT32_VERBOSE(DRMID(&sde_crtc->base), ret, lut_idx, len,
cfg->is_configured);
return ret;
}
void sde_crtc_timeline_status(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
sde_fence_timeline_status(sde_crtc->output_fence, &crtc->base);
}
static int _sde_validate_hw_resources(struct sde_crtc *sde_crtc)
{
int i;
/**
* Check if sufficient hw resources are
* available as per target caps & topology
*/
if (!sde_crtc) {
SDE_ERROR("invalid argument\n");
return -EINVAL;
}
if (!sde_crtc->num_mixers ||
sde_crtc->num_mixers > MAX_MIXERS_PER_CRTC) {
SDE_ERROR("%s: invalid number mixers: %d\n",
sde_crtc->name, sde_crtc->num_mixers);
SDE_EVT32(DRMID(&sde_crtc->base), sde_crtc->num_mixers,
SDE_EVTLOG_ERROR);
return -EINVAL;
}
for (i = 0; i < sde_crtc->num_mixers; i++) {
if (!sde_crtc->mixers[i].hw_lm || !sde_crtc->mixers[i].hw_ctl
|| !sde_crtc->mixers[i].hw_ds) {
SDE_ERROR("%s:insufficient resources for mixer(%d)\n",
sde_crtc->name, i);
SDE_EVT32(DRMID(&sde_crtc->base), sde_crtc->num_mixers,
i, sde_crtc->mixers[i].hw_lm,
sde_crtc->mixers[i].hw_ctl,
sde_crtc->mixers[i].hw_ds, SDE_EVTLOG_ERROR);
return -EINVAL;
}
}
return 0;
}
/**
* _sde_crtc_dest_scaler_setup - Set up dest scaler block
* @crtc: Pointer to drm crtc
*/
static void _sde_crtc_dest_scaler_setup(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct sde_hw_mixer *hw_lm;
struct sde_hw_ctl *hw_ctl;
struct sde_hw_ds *hw_ds;
struct sde_hw_ds_cfg *cfg;
struct sde_kms *kms;
u32 op_mode = 0;
u32 lm_idx = 0, num_mixers = 0;
int i, count = 0;
if (!crtc)
return;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
kms = _sde_crtc_get_kms(crtc);
num_mixers = sde_crtc->num_mixers;
count = cstate->num_ds;
SDE_DEBUG("crtc%d\n", crtc->base.id);
SDE_EVT32(DRMID(crtc), num_mixers, count, cstate->dirty[0],
cstate->num_ds_enabled);
if (!test_bit(SDE_CRTC_DIRTY_DEST_SCALER, cstate->dirty)) {
SDE_DEBUG("no change in settings, skip commit\n");
} else if (!kms || !kms->catalog) {
SDE_ERROR("crtc%d:invalid parameters\n", crtc->base.id);
} else if (!kms->catalog->mdp[0].has_dest_scaler) {
SDE_DEBUG("dest scaler feature not supported\n");
} else if (_sde_validate_hw_resources(sde_crtc)) {
//do nothing
} else if ((!cstate->scl3_lut_cfg.is_configured) &&
(!is_qseed3_rev_qseed3lite(kms->catalog))) {
SDE_ERROR("crtc%d:no LUT data available\n", crtc->base.id);
} else {
for (i = 0; i < count; i++) {
cfg = &cstate->ds_cfg[i];
if (!cfg->flags)
continue;
lm_idx = cfg->idx;
hw_lm = sde_crtc->mixers[lm_idx].hw_lm;
hw_ctl = sde_crtc->mixers[lm_idx].hw_ctl;
hw_ds = sde_crtc->mixers[lm_idx].hw_ds;
/* Setup op mode - Dual/single */
if (cfg->flags & SDE_DRM_DESTSCALER_ENABLE)
op_mode |= BIT(hw_ds->idx - DS_0);
if (hw_ds->ops.setup_opmode) {
op_mode |= (cstate->num_ds_enabled ==
CRTC_DUAL_MIXERS_ONLY) ?
SDE_DS_OP_MODE_DUAL : 0;
hw_ds->ops.setup_opmode(hw_ds, op_mode);
SDE_EVT32_VERBOSE(DRMID(crtc), op_mode);
}
/* Setup scaler */
if ((cfg->flags & SDE_DRM_DESTSCALER_SCALE_UPDATE) ||
(cfg->flags &
SDE_DRM_DESTSCALER_ENHANCER_UPDATE)) {
if (hw_ds->ops.setup_scaler)
hw_ds->ops.setup_scaler(hw_ds,
&cfg->scl3_cfg,
&cstate->scl3_lut_cfg);
}
/*
* Dest scaler shares the flush bit of the LM in control
*/
if (hw_ctl && hw_ctl->ops.update_bitmask_mixer)
hw_ctl->ops.update_bitmask_mixer(
hw_ctl, hw_lm->idx, 1);
}
}
}
static void sde_crtc_disable_dest_scaler(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct sde_hw_mixer *hw_lm;
struct sde_hw_ctl *hw_ctl;
struct sde_hw_ds *hw_ds;
int lm_idx;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
for (lm_idx = 0; lm_idx < sde_crtc->num_mixers; lm_idx++) {
hw_lm = sde_crtc->mixers[lm_idx].hw_lm;
hw_ctl = sde_crtc->mixers[lm_idx].hw_ctl;
hw_ds = sde_crtc->mixers[lm_idx].hw_ds;
if (hw_ds && hw_ds->ops.disable_dest_scl)
hw_ds->ops.disable_dest_scl(hw_ds);
if (hw_lm && hw_ctl && hw_ctl->ops.update_bitmask_mixer)
hw_ctl->ops.update_bitmask_mixer(
hw_ctl, hw_lm->idx, 1);
}
}
static void _sde_crtc_put_frame_data_buffer(struct sde_frame_data_buffer *buf)
{
if (!buf)
return;
msm_gem_put_buffer(buf->gem);
kfree(buf);
buf = NULL;
}
static int _sde_crtc_get_frame_data_buffer(struct drm_crtc *crtc, uint32_t fd)
{
struct sde_crtc *sde_crtc;
struct sde_frame_data_buffer *buf;
uint32_t cur_buf;
sde_crtc = to_sde_crtc(crtc);
cur_buf = sde_crtc->frame_data.cnt;
buf = kzalloc(sizeof(struct sde_frame_data_buffer), GFP_KERNEL);
if (!buf)
return -ENOMEM;
sde_crtc->frame_data.buf[cur_buf] = buf;
buf->fd = fd;
buf->fb = drm_framebuffer_lookup(crtc->dev, NULL, fd);
if (!buf->fb) {
SDE_ERROR("unable to get fb");
return -EINVAL;
}
buf->gem = msm_framebuffer_bo(buf->fb, 0);
if (!buf->gem) {
SDE_ERROR("unable to get drm gem");
return -EINVAL;
}
return msm_gem_get_buffer(buf->gem, crtc->dev, buf->fb,
sizeof(struct sde_drm_frame_data_packet));
}
static void _sde_crtc_set_frame_data_buffers(struct drm_crtc *crtc,
struct sde_crtc_state *cstate, void __user *usr)
{
struct sde_crtc *sde_crtc;
struct sde_drm_frame_data_buffers_ctrl ctrl;
int i, ret;
if (!crtc || !cstate || !usr)
return;
sde_crtc = to_sde_crtc(crtc);
ret = copy_from_user(&ctrl, usr, sizeof(ctrl));
if (ret) {
SDE_ERROR("failed to copy frame data ctrl, ret %d\n", ret);
return;
}
if (!ctrl.num_buffers) {
SDE_DEBUG("clearing frame data buffers");
goto exit;
} else if (ctrl.num_buffers > SDE_FRAME_DATA_BUFFER_MAX) {
SDE_ERROR("invalid number of buffers %d", ctrl.num_buffers);
return;
}
for (i = 0; i < ctrl.num_buffers; i++) {
if (_sde_crtc_get_frame_data_buffer(crtc, ctrl.fds[i])) {
SDE_ERROR("unable to set buffer for fd %d", ctrl.fds[i]);
goto exit;
}
sde_crtc->frame_data.cnt++;
}
return;
exit:
while (sde_crtc->frame_data.cnt--)
_sde_crtc_put_frame_data_buffer(
sde_crtc->frame_data.buf[sde_crtc->frame_data.cnt]);
sde_crtc->frame_data.cnt = 0;
}
static void _sde_crtc_frame_data_notify(struct drm_crtc *crtc,
struct sde_drm_frame_data_packet *frame_data_packet)
{
struct sde_crtc *sde_crtc;
struct sde_drm_frame_data_buf buf;
struct msm_gem_object *msm_gem;
u32 cur_buf;
sde_crtc = to_sde_crtc(crtc);
cur_buf = sde_crtc->frame_data.idx;
msm_gem = to_msm_bo(sde_crtc->frame_data.buf[cur_buf]->gem);
buf.fd = sde_crtc->frame_data.buf[cur_buf]->fd;
buf.offset = msm_gem->offset;
sde_crtc_event_notify(crtc, DRM_EVENT_FRAME_DATA, &buf,
sizeof(struct sde_drm_frame_data_buf));
sde_crtc->frame_data.idx = ++sde_crtc->frame_data.idx % sde_crtc->frame_data.cnt;
}
void sde_crtc_get_frame_data(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct drm_plane *plane;
struct sde_drm_frame_data_packet frame_data_packet = {0, 0};
struct sde_drm_frame_data_packet *data;
struct sde_frame_data *frame_data;
int i = 0;
if (!crtc || !crtc->state)
return;
sde_crtc = to_sde_crtc(crtc);
frame_data = &sde_crtc->frame_data;
if (frame_data->cnt) {
struct msm_gem_object *msm_gem;
msm_gem = to_msm_bo(frame_data->buf[frame_data->idx]->gem);
data = (struct sde_drm_frame_data_packet *)
(((u8 *)msm_gem->vaddr) + msm_gem->offset);
} else {
data = &frame_data_packet;
}
data->commit_count = sde_crtc->play_count;
data->frame_count = sde_crtc->fps_info.frame_count;
/* Collect plane specific data */
drm_for_each_plane_mask(plane, crtc->dev, sde_crtc->plane_mask_old) {
if (i < SDE_FRAME_DATA_MAX_PLANES)
sde_plane_get_frame_data(plane, &data->plane_frame_data[i++]);
}
if (frame_data->cnt)
_sde_crtc_frame_data_notify(crtc, data);
}
static void sde_crtc_frame_event_cb(void *data, u32 event, ktime_t ts)
{
struct drm_crtc *crtc = (struct drm_crtc *)data;
struct sde_crtc *sde_crtc;
struct msm_drm_private *priv;
struct sde_crtc_frame_event *fevent;
struct sde_kms_frame_event_cb_data *cb_data;
unsigned long flags;
u32 crtc_id;
cb_data = (struct sde_kms_frame_event_cb_data *)data;
if (!data) {
SDE_ERROR("invalid parameters\n");
return;
}
crtc = cb_data->crtc;
if (!crtc || !crtc->dev || !crtc->dev->dev_private) {
SDE_ERROR("invalid parameters\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
priv = crtc->dev->dev_private;
crtc_id = drm_crtc_index(crtc);
SDE_DEBUG("crtc%d\n", crtc->base.id);
SDE_EVT32_VERBOSE(DRMID(crtc), event);
spin_lock_irqsave(&sde_crtc->event_spin_lock, flags);
fevent = list_first_entry_or_null(&sde_crtc->frame_event_list,
struct sde_crtc_frame_event, list);
if (fevent)
list_del_init(&fevent->list);
spin_unlock_irqrestore(&sde_crtc->event_spin_lock, flags);
if (!fevent) {
pr_err_ratelimited("crtc%d event %d overflow\n", DRMID(crtc), event);
SDE_EVT32(DRMID(crtc), event);
return;
}
fevent->event = event;
fevent->ts = ts;
fevent->crtc = crtc;
fevent->connector = cb_data->connector;
kthread_queue_work(&priv->event_thread[crtc_id].worker, &fevent->work);
}
void sde_crtc_prepare_commit(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
struct drm_device *dev;
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_connector *conn;
struct drm_encoder *encoder;
struct drm_connector_list_iter conn_iter;
if (!crtc || !crtc->state) {
SDE_ERROR("invalid crtc\n");
return;
}
dev = crtc->dev;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
SDE_EVT32_VERBOSE(DRMID(crtc), cstate->cwb_enc_mask);
SDE_ATRACE_BEGIN("sde_crtc_prepare_commit");
/* identify connectors attached to this crtc */
cstate->num_connectors = 0;
drm_connector_list_iter_begin(dev, &conn_iter);
drm_for_each_connector_iter(conn, &conn_iter)
if (conn->state && conn->state->crtc == crtc &&
cstate->num_connectors < MAX_CONNECTORS) {
encoder = conn->state->best_encoder;
if (encoder)
sde_encoder_register_frame_event_callback(
encoder,
sde_crtc_frame_event_cb,
crtc);
cstate->connectors[cstate->num_connectors++] = conn;
sde_connector_prepare_fence(conn);
sde_encoder_set_clone_mode(encoder, crtc->state);
}
drm_connector_list_iter_end(&conn_iter);
/* prepare main output fence */
sde_fence_prepare(sde_crtc->output_fence);
SDE_ATRACE_END("sde_crtc_prepare_commit");
}
/**
* sde_crtc_complete_flip - signal pending page_flip events
* Any pending vblank events are added to the vblank_event_list
* so that the next vblank interrupt shall signal them.
* However PAGE_FLIP events are not handled through the vblank_event_list.
* This API signals any pending PAGE_FLIP events requested through
* DRM_IOCTL_MODE_PAGE_FLIP and are cached in the sde_crtc->event.
* if file!=NULL, this is preclose potential cancel-flip path
* @crtc: Pointer to drm crtc structure
* @file: Pointer to drm file
*/
void sde_crtc_complete_flip(struct drm_crtc *crtc,
struct drm_file *file)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct drm_pending_vblank_event *event;
unsigned long flags;
spin_lock_irqsave(&dev->event_lock, flags);
event = sde_crtc->event;
if (!event)
goto end;
/*
* if regular vblank case (!file) or if cancel-flip from
* preclose on file that requested flip, then send the
* event:
*/
if (!file || (event->base.file_priv == file)) {
sde_crtc->event = NULL;
DRM_DEBUG_VBL("%s: send event: %pK\n",
sde_crtc->name, event);
SDE_EVT32_VERBOSE(DRMID(crtc));
drm_crtc_send_vblank_event(crtc, event);
}
end:
spin_unlock_irqrestore(&dev->event_lock, flags);
}
enum sde_intf_mode sde_crtc_get_intf_mode(struct drm_crtc *crtc,
struct drm_crtc_state *cstate)
{
struct drm_encoder *encoder;
if (!crtc || !crtc->dev || !cstate) {
SDE_ERROR("invalid crtc\n");
return INTF_MODE_NONE;
}
drm_for_each_encoder_mask(encoder, crtc->dev,
cstate->encoder_mask) {
/* continue if copy encoder is encountered */
if (sde_crtc_state_in_clone_mode(encoder, cstate))
continue;
return sde_encoder_get_intf_mode(encoder);
}
return INTF_MODE_NONE;
}
u32 sde_crtc_get_fps_mode(struct drm_crtc *crtc)
{
struct drm_encoder *encoder;
if (!crtc || !crtc->dev) {
SDE_ERROR("invalid crtc\n");
return INTF_MODE_NONE;
}
drm_for_each_encoder(encoder, crtc->dev)
if ((encoder->crtc == crtc)
&& !sde_encoder_in_cont_splash(encoder))
return sde_encoder_get_fps(encoder);
return 0;
}
u32 sde_crtc_get_dfps_maxfps(struct drm_crtc *crtc)
{
struct drm_encoder *encoder;
if (!crtc || !crtc->dev) {
SDE_ERROR("invalid crtc\n");
return 0;
}
drm_for_each_encoder_mask(encoder, crtc->dev,
crtc->state->encoder_mask) {
if (!sde_encoder_in_cont_splash(encoder))
return sde_encoder_get_dfps_maxfps(encoder);
}
return 0;
}
struct drm_encoder *sde_crtc_get_src_encoder_of_clone(struct drm_crtc *crtc)
{
struct drm_encoder *enc;
struct sde_crtc *sde_crtc;
if (!crtc || !crtc->dev)
return NULL;
sde_crtc = to_sde_crtc(crtc);
drm_for_each_encoder_mask(enc, crtc->dev, sde_crtc->cached_encoder_mask) {
if (sde_encoder_in_clone_mode(enc))
continue;
return enc;
}
return NULL;
}
static void sde_crtc_vblank_notify(struct drm_crtc *crtc, ktime_t ts)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
/* keep statistics on vblank callback - with auto reset via debugfs */
if (ktime_compare(sde_crtc->vblank_cb_time, ktime_set(0, 0)) == 0)
sde_crtc->vblank_cb_time = ts;
else
sde_crtc->vblank_cb_count++;
sde_crtc->vblank_last_cb_time = ts;
sysfs_notify_dirent(sde_crtc->vsync_event_sf);
drm_crtc_handle_vblank(crtc);
DRM_DEBUG_VBL("crtc%d, ts:%llu\n", crtc->base.id, ktime_to_us(ts));
SDE_EVT32(DRMID(crtc), ktime_to_us(ts));
}
static void sde_crtc_vblank_notify_work(struct kthread_work *work)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
struct sde_crtc_vblank_event *vevent = container_of(work,
struct sde_crtc_vblank_event, work);
unsigned long flags;
if (!vevent->crtc) {
SDE_ERROR("invalid crtc\n");
return;
}
crtc = vevent->crtc;
sde_crtc = to_sde_crtc(crtc);
sde_crtc_vblank_notify(vevent->crtc, vevent->ts);
spin_lock_irqsave(&sde_crtc->event_spin_lock, flags);
list_add_tail(&vevent->list, &sde_crtc->vblank_event_list);
spin_unlock_irqrestore(&sde_crtc->event_spin_lock, flags);
}
static void sde_crtc_vblank_cb(void *data, ktime_t ts)
{
struct drm_crtc *crtc = (struct drm_crtc *)data;
struct sde_kms *sde_kms;
struct msm_drm_private *priv;
int crtc_id = drm_crtc_index(crtc);
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct sde_crtc_vblank_event *vevent;
unsigned long flags;
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms) {
SDE_ERROR("invalid kms handle\n");
return;
}
if (!test_bit(SDE_FEATURE_HW_VSYNC_TS, sde_kms->catalog->features)) {
sde_crtc_vblank_notify(crtc, ts);
return;
}
spin_lock_irqsave(&sde_crtc->event_spin_lock, flags);
vevent = list_first_entry_or_null(&sde_crtc->vblank_event_list,
struct sde_crtc_vblank_event, list);
if (vevent)
list_del_init(&vevent->list);
spin_unlock_irqrestore(&sde_crtc->event_spin_lock, flags);
/*
* schedule vblank notification to event thread when precise vsync
* timestamp feature is supported. This would ensure the vblank hook
* gets the precise hw timestamp even if the event thread is scheduled
* with slight delays
*/
priv = sde_kms->dev->dev_private;
if (!vevent) {
pr_err_ratelimited("crtc%d vblank event overflow\n", DRMID(crtc));
SDE_EVT32(DRMID(crtc), SDE_EVTLOG_ERROR);
return;
}
vevent->ts = ts;
vevent->crtc = crtc;
kthread_queue_work(&priv->event_thread[crtc_id].worker, &vevent->work);
}
static void _sde_crtc_retire_event(struct drm_connector *connector,
ktime_t ts, enum sde_fence_event fence_event)
{
if (!connector) {
SDE_ERROR("invalid param\n");
return;
}
SDE_ATRACE_BEGIN("signal_retire_fence");
sde_connector_complete_commit(connector, ts, fence_event);
SDE_ATRACE_END("signal_retire_fence");
}
void sde_crtc_opr_event_notify(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
uint32_t current_opr_value[MAX_DSI_DISPLAYS] = {0};
int i, rc;
bool updated = false;
struct drm_event event;
sde_crtc = to_sde_crtc(crtc);
atomic_set(&sde_crtc->previous_opr_value.num_valid_opr, 0);
for (i = 0; i < sde_crtc->num_mixers; i++) {
rc = sde_dspp_spr_read_opr_value(sde_crtc->mixers[i].hw_dspp,
¤t_opr_value[i]);
if (rc) {
SDE_ERROR("failed to collect OPR idx: %d rc: %d\n", i, rc);
continue;
}
atomic_inc(&sde_crtc->previous_opr_value.num_valid_opr);
if (current_opr_value[i] == sde_crtc->previous_opr_value.opr_value[i])
continue;
sde_crtc->previous_opr_value.opr_value[i] = current_opr_value[i];
updated = true;
}
if (updated) {
event.type = DRM_EVENT_OPR_VALUE;
event.length = sizeof(sde_crtc->previous_opr_value);
msm_mode_object_event_notify(&crtc->base, crtc->dev, &event,
(u8 *)&sde_crtc->previous_opr_value);
}
}
static void _sde_crtc_frame_done_notify(struct drm_crtc *crtc,
struct sde_crtc_frame_event *fevent)
{
struct sde_crtc *sde_crtc;
struct sde_connector *sde_conn;
sde_crtc = to_sde_crtc(crtc);
if (sde_crtc->opr_event_notify_enabled)
sde_crtc_opr_event_notify(crtc);
sde_conn = to_sde_connector(fevent->connector);
if (sde_conn && sde_conn->misr_event_notify_enabled)
sde_encoder_misr_sign_event_notify(fevent->connector->encoder);
}
static void sde_crtc_frame_event_work(struct kthread_work *work)
{
struct msm_drm_private *priv;
struct sde_crtc_frame_event *fevent;
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
struct sde_kms *sde_kms;
unsigned long flags;
bool in_clone_mode = false;
int ret;
if (!work) {
SDE_ERROR("invalid work handle\n");
return;
}
fevent = container_of(work, struct sde_crtc_frame_event, work);
if (!fevent->crtc || !fevent->crtc->state) {
SDE_ERROR("invalid crtc\n");
return;
}
crtc = fevent->crtc;
sde_crtc = to_sde_crtc(crtc);
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms) {
SDE_ERROR("invalid kms handle\n");
return;
}
priv = sde_kms->dev->dev_private;
SDE_ATRACE_BEGIN("crtc_frame_event");
SDE_DEBUG("crtc%d event:%u ts:%lld\n", crtc->base.id, fevent->event,
ktime_to_ns(fevent->ts));
SDE_EVT32_VERBOSE(DRMID(crtc), fevent->event, SDE_EVTLOG_FUNC_ENTRY);
in_clone_mode = (fevent->event & SDE_ENCODER_FRAME_EVENT_CWB_DONE) ?
true : false;
if (!in_clone_mode && (fevent->event & (SDE_ENCODER_FRAME_EVENT_ERROR
| SDE_ENCODER_FRAME_EVENT_PANEL_DEAD
| SDE_ENCODER_FRAME_EVENT_DONE))) {
ret = pm_runtime_resume_and_get(crtc->dev->dev);
if (ret < 0) {
SDE_ERROR("failed to enable power resource %d\n", ret);
SDE_EVT32(ret, SDE_EVTLOG_ERROR);
} else {
/* log and clear plane ubwc errors if any */
sde_crtc_get_frame_data(crtc);
pm_runtime_put_sync(crtc->dev->dev);
}
if (atomic_read(&sde_crtc->frame_pending) < 1) {
/* this should not happen */
SDE_ERROR("crtc%d ts:%lld invalid frame_pending:%d\n",
crtc->base.id,
ktime_to_ns(fevent->ts),
atomic_read(&sde_crtc->frame_pending));
SDE_EVT32(DRMID(crtc), fevent->event,
SDE_EVTLOG_FUNC_CASE1);
} else if (atomic_dec_return(&sde_crtc->frame_pending) == 0) {
/* release bandwidth and other resources */
SDE_DEBUG("crtc%d ts:%lld last pending\n",
crtc->base.id,
ktime_to_ns(fevent->ts));
SDE_EVT32(DRMID(crtc), fevent->event,
SDE_EVTLOG_FUNC_CASE2);
sde_core_perf_crtc_release_bw(crtc);
} else {
SDE_EVT32_VERBOSE(DRMID(crtc), fevent->event,
SDE_EVTLOG_FUNC_CASE3);
}
}
if (fevent->event & SDE_ENCODER_FRAME_EVENT_SIGNAL_RELEASE_FENCE) {
SDE_ATRACE_BEGIN("signal_release_fence");
sde_fence_signal(sde_crtc->output_fence, fevent->ts,
(fevent->event & SDE_ENCODER_FRAME_EVENT_ERROR)
? SDE_FENCE_SIGNAL_ERROR : SDE_FENCE_SIGNAL, NULL);
_sde_crtc_frame_done_notify(crtc, fevent);
SDE_ATRACE_END("signal_release_fence");
}
if (fevent->event & SDE_ENCODER_FRAME_EVENT_SIGNAL_RETIRE_FENCE) {
if (sde_crtc->retire_frame_event_sf) {
sde_crtc->retire_frame_event_time = fevent->ts;
sysfs_notify_dirent(sde_crtc->retire_frame_event_sf);
}
/* this api should be called without spin_lock */
_sde_crtc_retire_event(fevent->connector, fevent->ts,
(fevent->event & SDE_ENCODER_FRAME_EVENT_ERROR)
? SDE_FENCE_SIGNAL_ERROR : SDE_FENCE_SIGNAL);
}
if (fevent->event & SDE_ENCODER_FRAME_EVENT_PANEL_DEAD)
SDE_ERROR("crtc%d ts:%lld received panel dead event\n",
crtc->base.id, ktime_to_ns(fevent->ts));
spin_lock_irqsave(&sde_crtc->event_spin_lock, flags);
list_add_tail(&fevent->list, &sde_crtc->frame_event_list);
spin_unlock_irqrestore(&sde_crtc->event_spin_lock, flags);
SDE_ATRACE_END("crtc_frame_event");
}
void sde_crtc_complete_commit(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
struct sde_crtc *sde_crtc;
struct sde_splash_display *splash_display = NULL;
struct sde_kms *sde_kms;
bool cont_splash_enabled = false;
int i;
u32 power_on = 1;
if (!crtc || !crtc->state) {
SDE_ERROR("invalid crtc\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
SDE_EVT32_VERBOSE(DRMID(crtc));
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms)
return;
for (i = 0; i < MAX_DSI_DISPLAYS; i++) {
splash_display = &sde_kms->splash_data.splash_display[i];
if (splash_display->cont_splash_enabled && splash_display->encoder &&
crtc == splash_display->encoder->crtc)
cont_splash_enabled = true;
}
if ((crtc->state->active_changed || cont_splash_enabled) && crtc->state->active)
sde_crtc_event_notify(crtc, DRM_EVENT_CRTC_POWER, &power_on, sizeof(u32));
sde_core_perf_crtc_update(crtc, 0, false);
}
/**
* _sde_crtc_set_input_fence_timeout - update ns version of in fence timeout
* @cstate: Pointer to sde crtc state
*/
static void _sde_crtc_set_input_fence_timeout(struct sde_crtc_state *cstate)
{
if (!cstate) {
SDE_ERROR("invalid cstate\n");
return;
}
cstate->input_fence_timeout_ns =
sde_crtc_get_property(cstate, CRTC_PROP_INPUT_FENCE_TIMEOUT);
cstate->input_fence_timeout_ns *= NSEC_PER_MSEC;
}
void _sde_crtc_clear_dim_layers_v1(struct drm_crtc_state *state)
{
u32 i;
struct sde_crtc_state *cstate;
if (!state)
return;
cstate = to_sde_crtc_state(state);
for (i = 0; i < cstate->num_dim_layers; i++)
memset(&cstate->dim_layer[i], 0, sizeof(cstate->dim_layer[i]));
cstate->num_dim_layers = 0;
}
/**
* _sde_crtc_set_dim_layer_v1 - copy dim layer settings from userspace
* @cstate: Pointer to sde crtc state
* @user_ptr: User ptr for sde_drm_dim_layer_v1 struct
*/
static void _sde_crtc_set_dim_layer_v1(struct drm_crtc *crtc,
struct sde_crtc_state *cstate, void __user *usr_ptr)
{
struct sde_drm_dim_layer_v1 dim_layer_v1;
struct sde_drm_dim_layer_cfg *user_cfg;
struct sde_hw_dim_layer *dim_layer;
u32 count, i;
struct sde_kms *kms;
if (!crtc || !cstate) {
SDE_ERROR("invalid crtc or cstate\n");
return;
}
dim_layer = cstate->dim_layer;
if (!usr_ptr) {
/* usr_ptr is null when setting the default property value */
_sde_crtc_clear_dim_layers_v1(&cstate->base);
SDE_DEBUG("dim_layer data removed\n");
goto clear;
}
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid kms\n");
return;
}
if (copy_from_user(&dim_layer_v1, usr_ptr, sizeof(dim_layer_v1))) {
SDE_ERROR("failed to copy dim_layer data\n");
return;
}
count = dim_layer_v1.num_layers;
if (count > SDE_MAX_DIM_LAYERS) {
SDE_ERROR("invalid number of dim_layers:%d", count);
return;
}
/* populate from user space */
cstate->num_dim_layers = count;
for (i = 0; i < count; i++) {
user_cfg = &dim_layer_v1.layer_cfg[i];
dim_layer[i].flags = user_cfg->flags;
dim_layer[i].stage = test_bit(SDE_FEATURE_BASE_LAYER, kms->catalog->features) ?
user_cfg->stage : user_cfg->stage + SDE_STAGE_0;
dim_layer[i].rect.x = user_cfg->rect.x1;
dim_layer[i].rect.y = user_cfg->rect.y1;
dim_layer[i].rect.w = user_cfg->rect.x2 - user_cfg->rect.x1;
dim_layer[i].rect.h = user_cfg->rect.y2 - user_cfg->rect.y1;
dim_layer[i].color_fill = (struct sde_mdss_color) {
user_cfg->color_fill.color_0,
user_cfg->color_fill.color_1,
user_cfg->color_fill.color_2,
user_cfg->color_fill.color_3,
};
SDE_DEBUG("dim_layer[%d] - flags:%d, stage:%d\n",
i, dim_layer[i].flags, dim_layer[i].stage);
SDE_DEBUG(" rect:{%d,%d,%d,%d}, color:{%d,%d,%d,%d}\n",
dim_layer[i].rect.x, dim_layer[i].rect.y,
dim_layer[i].rect.w, dim_layer[i].rect.h,
dim_layer[i].color_fill.color_0,
dim_layer[i].color_fill.color_1,
dim_layer[i].color_fill.color_2,
dim_layer[i].color_fill.color_3);
}
clear:
set_bit(SDE_CRTC_DIRTY_DIM_LAYERS, cstate->dirty);
}
/**
* _sde_crtc_set_dest_scaler - copy dest scaler settings from userspace
* @sde_crtc : Pointer to sde crtc
* @cstate : Pointer to sde crtc state
* @usr_ptr: User ptr for sde_drm_dest_scaler_data struct
*/
static int _sde_crtc_set_dest_scaler(struct sde_crtc *sde_crtc,
struct sde_crtc_state *cstate,
void __user *usr_ptr)
{
struct sde_drm_dest_scaler_data ds_data;
struct sde_drm_dest_scaler_cfg *ds_cfg_usr;
struct sde_drm_scaler_v2 scaler_v2;
void __user *scaler_v2_usr;
int i, count;
if (!sde_crtc || !cstate) {
SDE_ERROR("invalid sde_crtc/state\n");
return -EINVAL;
}
SDE_DEBUG("crtc %s\n", sde_crtc->name);
if (!usr_ptr) {
SDE_DEBUG("ds data removed\n");
return 0;
}
if (copy_from_user(&ds_data, usr_ptr, sizeof(ds_data))) {
SDE_ERROR("%s:failed to copy dest scaler data from user\n",
sde_crtc->name);
return -EINVAL;
}
count = ds_data.num_dest_scaler;
if (!count) {
SDE_DEBUG("no ds data available\n");
return 0;
}
if (count > SDE_MAX_DS_COUNT) {
SDE_ERROR("%s: invalid config: num_ds(%d) max(%d)\n",
sde_crtc->name, count, SDE_MAX_DS_COUNT);
SDE_EVT32(DRMID(&sde_crtc->base), count, SDE_EVTLOG_ERROR);
return -EINVAL;
}
/* Populate from user space */
for (i = 0; i < count; i++) {
ds_cfg_usr = &ds_data.ds_cfg[i];
cstate->ds_cfg[i].idx = ds_cfg_usr->index;
cstate->ds_cfg[i].flags = ds_cfg_usr->flags;
cstate->ds_cfg[i].lm_width = ds_cfg_usr->lm_width;
cstate->ds_cfg[i].lm_height = ds_cfg_usr->lm_height;
memset(&scaler_v2, 0, sizeof(scaler_v2));
if (ds_cfg_usr->scaler_cfg) {
scaler_v2_usr =
(void __user *)((uintptr_t)ds_cfg_usr->scaler_cfg);
if (copy_from_user(&scaler_v2, scaler_v2_usr,
sizeof(scaler_v2))) {
SDE_ERROR("%s:scaler: copy from user failed\n",
sde_crtc->name);
return -EINVAL;
}
}
sde_set_scaler_v2(&cstate->ds_cfg[i].scl3_cfg, &scaler_v2);
SDE_DEBUG("en(%d)dir(%d)de(%d) src(%dx%d) dst(%dx%d)\n",
scaler_v2.enable, scaler_v2.dir_en, scaler_v2.de.enable,
scaler_v2.src_width[0], scaler_v2.src_height[0],
scaler_v2.dst_width, scaler_v2.dst_height);
SDE_EVT32_VERBOSE(DRMID(&sde_crtc->base),
scaler_v2.enable, scaler_v2.dir_en, scaler_v2.de.enable,
scaler_v2.src_width[0], scaler_v2.src_height[0],
scaler_v2.dst_width, scaler_v2.dst_height);
SDE_DEBUG("ds cfg[%d]-ndx(%d) flags(%d) lm(%dx%d)\n",
i, ds_cfg_usr->index, ds_cfg_usr->flags,
ds_cfg_usr->lm_width, ds_cfg_usr->lm_height);
SDE_EVT32_VERBOSE(DRMID(&sde_crtc->base), i, ds_cfg_usr->index,
ds_cfg_usr->flags, ds_cfg_usr->lm_width,
ds_cfg_usr->lm_height);
}
cstate->num_ds = count;
set_bit(SDE_CRTC_DIRTY_DEST_SCALER, cstate->dirty);
SDE_EVT32_VERBOSE(DRMID(&sde_crtc->base), count);
return 0;
}
static int _sde_crtc_check_dest_scaler_lm(struct drm_crtc *crtc,
struct drm_display_mode *mode, struct sde_hw_ds_cfg *cfg, u32 hdisplay,
struct sde_hw_ds_cfg *prev_cfg)
{
if (cfg->lm_width > hdisplay || cfg->lm_height > mode->vdisplay
|| !cfg->lm_width || !cfg->lm_height) {
SDE_ERROR("crtc%d: lm size[%d,%d] display [%d,%d]\n",
crtc->base.id, cfg->lm_width, cfg->lm_height,
hdisplay, mode->vdisplay);
SDE_EVT32(DRMID(crtc), cfg->lm_width, cfg->lm_height,
hdisplay, mode->vdisplay, SDE_EVTLOG_ERROR);
return -E2BIG;
}
if (prev_cfg && (cfg->lm_width != prev_cfg->lm_width ||
cfg->lm_height != prev_cfg->lm_height)) {
SDE_ERROR("crtc%d: uneven lm split [%d,%d], [%d %d]\n",
crtc->base.id, cfg->lm_width,
cfg->lm_height, prev_cfg->lm_width,
prev_cfg->lm_height);
SDE_EVT32(DRMID(crtc), cfg->lm_width, cfg->lm_height,
prev_cfg->lm_width, prev_cfg->lm_height,
SDE_EVTLOG_ERROR);
return -EINVAL;
}
return 0;
}
static int _sde_crtc_check_dest_scaler_cfg(struct drm_crtc *crtc,
struct sde_crtc *sde_crtc, struct drm_display_mode *mode,
struct sde_hw_ds *hw_ds, struct sde_hw_ds_cfg *cfg, u32 hdisplay,
u32 max_in_width, u32 max_out_width)
{
if (cfg->flags & SDE_DRM_DESTSCALER_SCALE_UPDATE ||
cfg->flags & SDE_DRM_DESTSCALER_ENHANCER_UPDATE) {
/**
* Scaler src and dst width shouldn't exceed the maximum
* width limitation. Also, if there is no partial update
* dst width and height must match display resolution.
*/
if (cfg->scl3_cfg.src_width[0] > max_in_width ||
cfg->scl3_cfg.dst_width > max_out_width ||
!cfg->scl3_cfg.src_width[0] ||
!cfg->scl3_cfg.dst_width ||
(!(cfg->flags & SDE_DRM_DESTSCALER_PU_ENABLE)
&& (cfg->scl3_cfg.dst_width != hdisplay ||
cfg->scl3_cfg.dst_height != mode->vdisplay))) {
SDE_ERROR("crtc%d: ", crtc->base.id);
SDE_ERROR("src_w(%d) dst(%dx%d) display(%dx%d)",
cfg->scl3_cfg.src_width[0],
cfg->scl3_cfg.dst_width,
cfg->scl3_cfg.dst_height,
hdisplay, mode->vdisplay);
SDE_ERROR("num_mixers(%d) flags(%d) ds-%d:\n",
sde_crtc->num_mixers, cfg->flags,
hw_ds->idx - DS_0);
SDE_ERROR("scale_en = %d, DE_en =%d\n",
cfg->scl3_cfg.enable,
cfg->scl3_cfg.de.enable);
SDE_EVT32(DRMID(crtc), cfg->scl3_cfg.enable,
cfg->scl3_cfg.de.enable, cfg->flags,
max_in_width, max_out_width,
cfg->scl3_cfg.src_width[0],
cfg->scl3_cfg.dst_width,
cfg->scl3_cfg.dst_height, hdisplay,
mode->vdisplay, sde_crtc->num_mixers,
SDE_EVTLOG_ERROR);
cfg->flags &=
~SDE_DRM_DESTSCALER_SCALE_UPDATE;
cfg->flags &=
~SDE_DRM_DESTSCALER_ENHANCER_UPDATE;
return -EINVAL;
}
}
return 0;
}
static int _sde_crtc_check_dest_scaler_validate_ds(struct drm_crtc *crtc,
struct sde_crtc *sde_crtc, struct sde_crtc_state *cstate,
struct drm_display_mode *mode, struct sde_hw_ds *hw_ds,
u32 hdisplay, u32 *num_ds_enable, u32 max_in_width, u32 max_out_width)
{
int i, ret;
u32 lm_idx;
struct sde_hw_ds_cfg *cfg, *prev_cfg;
for (i = 0; i < cstate->num_ds; i++) {
cfg = &cstate->ds_cfg[i];
prev_cfg = (i > 0) ? &cstate->ds_cfg[i - 1] : NULL;
lm_idx = cfg->idx;
/**
* Validate against topology
* No of dest scalers should match the num of mixers
* unless it is partial update left only/right only use case
*/
if (lm_idx >= sde_crtc->num_mixers || (i != lm_idx &&
!(cfg->flags & SDE_DRM_DESTSCALER_PU_ENABLE))) {
SDE_ERROR("crtc%d: ds_cfg id(%d):idx(%d), flags(%d)\n",
crtc->base.id, i, lm_idx, cfg->flags);
SDE_EVT32(DRMID(crtc), i, lm_idx, cfg->flags,
SDE_EVTLOG_ERROR);
return -EINVAL;
}
hw_ds = sde_crtc->mixers[lm_idx].hw_ds;
if (!max_in_width && !max_out_width) {
max_in_width = hw_ds->scl->top->maxinputwidth;
max_out_width = hw_ds->scl->top->maxoutputwidth;
if (cstate->num_ds == CRTC_DUAL_MIXERS_ONLY)
max_in_width -= SDE_DS_OVERFETCH_SIZE;
SDE_DEBUG("max DS width [%d,%d] for num_ds = %d\n",
max_in_width, max_out_width, cstate->num_ds);
}
/* Check LM width and height */
ret = _sde_crtc_check_dest_scaler_lm(crtc, mode, cfg, hdisplay,
prev_cfg);
if (ret)
return ret;
/* Check scaler data */
ret = _sde_crtc_check_dest_scaler_cfg(crtc, sde_crtc, mode,
hw_ds, cfg, hdisplay,
max_in_width, max_out_width);
if (ret)
return ret;
if (cfg->flags & SDE_DRM_DESTSCALER_ENABLE)
(*num_ds_enable)++;
SDE_DEBUG("ds[%d]: flags[0x%X]\n",
hw_ds->idx - DS_0, cfg->flags);
SDE_EVT32_VERBOSE(DRMID(crtc), hw_ds->idx - DS_0, cfg->flags);
}
return 0;
}
static void _sde_crtc_check_dest_scaler_data_disable(struct drm_crtc *crtc,
struct sde_crtc_state *cstate, u32 num_ds_enable)
{
struct sde_hw_ds_cfg *cfg;
int i;
SDE_DEBUG("dest scaler status : %d -> %d\n",
cstate->num_ds_enabled, num_ds_enable);
SDE_EVT32_VERBOSE(DRMID(crtc), cstate->num_ds_enabled, num_ds_enable,
cstate->num_ds, cstate->dirty[0]);
if (cstate->num_ds_enabled != num_ds_enable) {
/* Disabling destination scaler */
if (!num_ds_enable) {
for (i = 0; i < cstate->num_ds; i++) {
cfg = &cstate->ds_cfg[i];
cfg->idx = i;
/* Update scaler settings in disable case */
cfg->flags = SDE_DRM_DESTSCALER_SCALE_UPDATE;
cfg->scl3_cfg.enable = 0;
cfg->scl3_cfg.de.enable = 0;
}
}
cstate->num_ds_enabled = num_ds_enable;
set_bit(SDE_CRTC_DIRTY_DEST_SCALER, cstate->dirty);
} else {
if (!cstate->num_ds_enabled)
clear_bit(SDE_CRTC_DIRTY_DEST_SCALER, cstate->dirty);
}
}
/**
* _sde_crtc_check_dest_scaler_data - validate the dest scaler data
* @crtc : Pointer to drm crtc
* @state : Pointer to drm crtc state
*/
static int _sde_crtc_check_dest_scaler_data(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_display_mode *mode;
struct sde_kms *kms;
struct sde_hw_ds *hw_ds = NULL;
u32 ret = 0;
u32 num_ds_enable = 0, hdisplay = 0;
u32 max_in_width = 0, max_out_width = 0;
if (!crtc || !state)
return -EINVAL;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
kms = _sde_crtc_get_kms(crtc);
mode = &state->adjusted_mode;
SDE_DEBUG("crtc%d\n", crtc->base.id);
if (!test_bit(SDE_CRTC_DIRTY_DEST_SCALER, cstate->dirty)) {
SDE_DEBUG("dest scaler property not set, skip validation\n");
return 0;
}
if (!kms || !kms->catalog) {
SDE_ERROR("crtc%d: invalid parameters\n", crtc->base.id);
return -EINVAL;
}
if (!kms->catalog->mdp[0].has_dest_scaler) {
SDE_DEBUG("dest scaler feature not supported\n");
return 0;
}
if (!sde_crtc->num_mixers) {
SDE_DEBUG("mixers not allocated\n");
return 0;
}
ret = _sde_validate_hw_resources(sde_crtc);
if (ret)
goto err;
/**
* No of dest scalers shouldn't exceed hw ds block count and
* also, match the num of mixers unless it is partial update
* left only/right only use case - currently PU + DS is not supported
*/
if (cstate->num_ds > kms->catalog->ds_count ||
((cstate->num_ds != sde_crtc->num_mixers) &&
!(cstate->ds_cfg[0].flags & SDE_DRM_DESTSCALER_PU_ENABLE))) {
SDE_ERROR("crtc%d: num_ds(%d), hw_ds_cnt(%d) flags(%d)\n",
crtc->base.id, cstate->num_ds, kms->catalog->ds_count,
cstate->ds_cfg[0].flags);
ret = -EINVAL;
goto err;
}
/**
* Check if DS needs to be enabled or disabled
* In case of enable, validate the data
*/
if (!(cstate->ds_cfg[0].flags & SDE_DRM_DESTSCALER_ENABLE)) {
SDE_DEBUG("disable dest scaler, num(%d) flags(%d)\n",
cstate->num_ds, cstate->ds_cfg[0].flags);
goto disable;
}
/* Display resolution */
hdisplay = mode->hdisplay / sde_crtc->num_mixers;
/* Validate the DS data */
ret = _sde_crtc_check_dest_scaler_validate_ds(crtc, sde_crtc, cstate,
mode, hw_ds, hdisplay, &num_ds_enable,
max_in_width, max_out_width);
if (ret)
goto err;
disable:
_sde_crtc_check_dest_scaler_data_disable(crtc, cstate, num_ds_enable);
return 0;
err:
clear_bit(SDE_CRTC_DIRTY_DEST_SCALER, cstate->dirty);
return ret;
}
static struct sde_hw_ctl *_sde_crtc_get_hw_ctl(struct drm_crtc *drm_crtc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(drm_crtc);
if (!sde_crtc || !sde_crtc->mixers[0].hw_ctl) {
SDE_DEBUG("invalid crtc params %d\n", !sde_crtc);
return NULL;
}
/* it will always return the first mixer and single CTL */
return sde_crtc->mixers[0].hw_ctl;
}
static struct dma_fence *_sde_plane_get_input_hw_fence(struct drm_plane *plane)
{
struct dma_fence *fence;
struct sde_plane *psde;
struct sde_plane_state *pstate;
void *input_fence;
struct dma_fence *input_hw_fence = NULL;
struct dma_fence_array *array = NULL;
struct dma_fence *spec_fence = NULL;
int i;
if (!plane || !plane->state) {
SDE_ERROR("invalid input %d\n", !plane);
return NULL;
}
psde = to_sde_plane(plane);
pstate = to_sde_plane_state(plane->state);
input_fence = pstate->input_fence;
if (input_fence) {
fence = (struct dma_fence *)pstate->input_fence;
if (test_bit(SPEC_FENCE_FLAG_FENCE_ARRAY, &fence->flags)) {
bool spec_hw_fence = false;
array = container_of(fence, struct dma_fence_array, base);
if (IS_ERR_OR_NULL(array))
goto exit;
if (!test_bit(SPEC_FENCE_FLAG_FENCE_ARRAY_BOUND, &fence->flags))
if (spec_sync_wait_bind_array(array, SPEC_FENCE_TIMEOUT_MS) < 0)
goto exit;
for (i = 0; i < array->num_fences; i++) {
spec_fence = array->fences[i];
if (!IS_ERR_OR_NULL(spec_fence) &&
test_bit(MSM_HW_FENCE_FLAG_ENABLED_BIT,
&spec_fence->flags)) {
spec_hw_fence = true;
} else {
/*
* all child-fences of the spec fence must be hw-fences for
* this fence to be considered hw-fence. Otherwise just
* fail here to set the hw-fences and driver will use
* sw-fences instead.
*/
spec_hw_fence = false;
break;
}
}
if (spec_hw_fence)
input_hw_fence = fence;
} else if (test_bit(MSM_HW_FENCE_FLAG_ENABLED_BIT, &fence->flags)) {
input_hw_fence = fence;
SDE_DEBUG("input hwfence ctx:%llu seqno:%llu f:0x%lx timeline:%s\n",
fence->context, fence->seqno, fence->flags,
fence->ops->get_timeline_name(fence));
}
SDE_EVT32_VERBOSE(DRMID(plane), fence->flags);
}
exit:
return input_hw_fence;
}
/**
* sde_crtc_sw_fence_error_handle - sw fence error handing
* @crtc: Pointer to CRTC object.
* @err_status: true if sw input fence error
*
* return 0 if success non-zero otherwise
*/
int sde_crtc_sw_fence_error_handle(struct drm_crtc *crtc, int err_status)
{
struct sde_crtc *sde_crtc = NULL;
struct drm_encoder *drm_encoder;
bool handle_sw_fence_error_flag;
struct sde_kms *sde_kms;
struct sde_hw_ctl *hw_ctl;
struct msm_drm_private *priv;
struct msm_fence_error_client_entry *entry;
int rc = 0;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return -EINVAL;
}
handle_sw_fence_error_flag = sde_crtc_get_property(
to_sde_crtc_state(crtc->state), CRTC_PROP_HANDLE_FENCE_ERROR);
if (!handle_sw_fence_error_flag || (err_status >= 0))
return 0;
SDE_EVT32(handle_sw_fence_error_flag, err_status);
sde_crtc = to_sde_crtc(crtc);
sde_crtc->input_fence_status = err_status;
sde_crtc->handle_fence_error_bw_update = true;
drm_for_each_encoder_mask(drm_encoder, crtc->dev, crtc->state->encoder_mask) {
/* continue if copy encoder is encountered */
if (sde_crtc_state_in_clone_mode(drm_encoder, crtc->state))
continue;
rc = sde_encoder_handle_dma_fence_out_of_order(drm_encoder);
if (rc) {
SDE_DEBUG("Dma fence out of order failed, rc = %d\n", rc);
SDE_EVT32(rc, SDE_EVTLOG_ERROR);
}
}
hw_ctl = _sde_crtc_get_hw_ctl(crtc);
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms || !sde_kms->dev || !sde_kms->dev->dev_private) {
SDE_EVT32(DRMID(crtc), SDE_EVTLOG_ERROR);
SDE_DEBUG("invalid parameters\n");
return -EINVAL;
}
priv = sde_kms->dev->dev_private;
/* display submodule fence error handling, like pp, dsi, dp. */
list_for_each_entry(entry, &priv->fence_error_client_list, list) {
if (!entry->ops.fence_error_handle_submodule)
continue;
rc = entry->ops.fence_error_handle_submodule(hw_ctl, entry->data);
if (rc) {
SDE_ERROR("fence_error_handle_submodule failed for device: %d\n",
entry->dev->id);
SDE_EVT32(entry->dev->id, rc, SDE_EVTLOG_ERROR);
}
}
return rc;
}
/**
* _sde_crtc_fences_wait_list - wait for input sw-fences and return any hw-fences
* @crtc: Pointer to CRTC object.
* @use_hw_fences: Boolean to indicate if function should use hw-fences and skip hw-fences sw-wait.
* @dma_hw_fences: List of available hw-fences, this is populated by this function.
* @max_hw_fences: Max number of hw-fences that can be added to the dma_hw_fences list
*
* This function iterates through all crtc planes, if 'use_hw_fences' is set, for each fence:
* - If the fence is a hw-fence, it will get its dma-fence object and add it to the 'dma_hw_fences'
* list, skipping any sw-wait, since wait will happen in hw.
* - If the fence is not a hw-fence, it will wait for the sw-fence to be signaled before proceed.
* If 'use_hw_fences' is not set, function will wait on the sw-fences for all fences
* regardless if they support or not hw-fence.
* Return value is the number of hw-fences added to the 'dma_hw_fences' list.
*/
static int _sde_crtc_fences_wait_list(struct drm_crtc *crtc, bool use_hw_fences,
struct dma_fence **dma_hw_fences, int max_hw_fences)
{
struct drm_plane *plane = NULL;
u32 num_hw_fences = 0;
ktime_t kt_end, kt_wait;
uint32_t wait_ms = 1;
struct msm_display_mode *msm_mode;
bool mode_switch;
int i, status = 0, rc = 0;
msm_mode = sde_crtc_get_msm_mode(crtc->state);
mode_switch = msm_is_mode_seamless_poms(msm_mode);
/* use monotonic timer to limit total fence wait time */
kt_end = ktime_add_ns(ktime_get(),
to_sde_crtc_state(crtc->state)->input_fence_timeout_ns);
drm_atomic_crtc_for_each_plane(plane, crtc) {
/* check if input-fences are hw fences and if they are, add them to the list */
if (use_hw_fences && !mode_switch) {
dma_hw_fences[num_hw_fences] = _sde_plane_get_input_hw_fence(plane);
if (dma_hw_fences[num_hw_fences] && (num_hw_fences < max_hw_fences)) {
bool repeated_fence = false;
/* check if this fence already in the hw-fences list */
for (i = num_hw_fences - 1; i >= 0; i--) {
if (dma_hw_fences[i] == dma_hw_fences[num_hw_fences]) {
repeated_fence = true;
break;
}
}
if (repeated_fence)
dma_hw_fences[num_hw_fences] = NULL; /* cleanup from list */
else
num_hw_fences++; /* keep fence in the list */
/* go to next, to skip sw-wait */
continue;
}
}
/*
* This was not a hw-fence, therefore, wait for this sw-fence to be signaled
* before proceed.
*
* Limit total wait time to INPUT_FENCE_TIMEOUT, but still call
* sde_plane_wait_input_fence with wait_ms == 0 after the timeout so
* that each plane can check its fence status and react appropriately
* if its fence has timed out. Call input fence wait multiple times if
* fence wait is interrupted due to interrupt call.
*/
do {
kt_wait = ktime_sub(kt_end, ktime_get());
if (ktime_compare(kt_wait, ktime_set(0, 0)) >= 0)
wait_ms = ktime_to_ms(kt_wait);
else
wait_ms = 0;
rc = sde_plane_wait_input_fence(plane, wait_ms, &status);
} while (wait_ms && rc == -ERESTARTSYS);
}
sde_crtc_sw_fence_error_handle(crtc, status);
return num_hw_fences;
}
static inline bool _is_vid_power_on_frame(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
bool is_vid_mode = sde_encoder_check_curr_mode(sde_crtc->mixers[0].encoder,
MSM_DISPLAY_VIDEO_MODE);
return is_vid_mode && crtc->state->active_changed && crtc->state->active;
}
/**
* _sde_crtc_wait_for_fences - wait for incoming framebuffer sync fences or register hw-fences
* @crtc: Pointer to CRTC object
*
* Returns true if hw fences are used, otherwise returns false
*/
static bool _sde_crtc_wait_for_fences(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
bool ipcc_input_signal_wait = false;
struct dma_fence *dma_hw_fences[MAX_HW_FENCES] = {0};
int num_hw_fences = 0;
struct sde_hw_ctl *hw_ctl;
bool input_hw_fences_enable;
struct sde_kms *sde_kms = _sde_crtc_get_kms(crtc);
int ret;
enum sde_crtc_vm_req vm_req;
bool disable_hw_fences = false;
SDE_DEBUG("\n");
if (!crtc || !crtc->state || !sde_kms) {
SDE_ERROR("invalid crtc/state %pK\n", crtc);
return false;
}
hw_ctl = _sde_crtc_get_hw_ctl(crtc);
SDE_ATRACE_BEGIN("plane_wait_input_fence");
/* if this is the last frame on vm transition, disable hw fences */
vm_req = sde_crtc_get_property(to_sde_crtc_state(crtc->state), CRTC_PROP_VM_REQ_STATE);
if (vm_req == VM_REQ_RELEASE)
disable_hw_fences = true;
/* update ctl hw to wait for ipcc input signal before fetch */
if (test_bit(HW_FENCE_IN_FENCES_ENABLE, sde_crtc->hwfence_features_mask) &&
!sde_fence_update_input_hw_fence_signal(hw_ctl, sde_kms->debugfs_hw_fence,
sde_kms->hw_mdp, disable_hw_fences))
ipcc_input_signal_wait = true;
/* avoid hw-fences in first frame after timing engine enable */
input_hw_fences_enable = (ipcc_input_signal_wait && !_is_vid_power_on_frame(crtc));
/* wait for sw fences and get hw fences list (if any) */
num_hw_fences = _sde_crtc_fences_wait_list(crtc, input_hw_fences_enable, &dma_hw_fences[0],
MAX_HW_FENCES);
/* register the hw-fences for hw-wait */
if (num_hw_fences > 0 && num_hw_fences <= MAX_HW_FENCES) {
ret = sde_fence_register_hw_fences_wait(hw_ctl, dma_hw_fences, num_hw_fences);
if (ret) {
SDE_ERROR("failed to register for hw-fence wait, will wait in sw\n");
SDE_EVT32(SDE_EVTLOG_ERROR, num_hw_fences,
hw_ctl ? hw_ctl->idx - CTL_0 : -1);
/* we failed to register hw-fences, wait for all fences as 'sw-fences' */
num_hw_fences = _sde_crtc_fences_wait_list(crtc, false, &dma_hw_fences[0],
MAX_HW_FENCES);
}
}
SDE_DEBUG("hfence_enable:%d no_override:%d ctl:%d wait_ipcc:%d num_hfences:%d\n",
input_hw_fences_enable,
test_bit(HW_FENCE_IN_FENCES_NO_OVERRIDE, sde_crtc->hwfence_features_mask),
hw_ctl ? hw_ctl->idx - CTL_0 : -1, ipcc_input_signal_wait, num_hw_fences);
SDE_EVT32(input_hw_fences_enable,
test_bit(HW_FENCE_IN_FENCES_NO_OVERRIDE, sde_crtc->hwfence_features_mask),
ipcc_input_signal_wait, num_hw_fences, hw_ctl ? hw_ctl->idx - CTL_0 : -1);
/* if hw is waiting for ipcc signal and no hw-fences, override signal */
if (ipcc_input_signal_wait && !num_hw_fences && hw_ctl->ops.hw_fence_trigger_sw_override &&
!test_bit(HW_FENCE_IN_FENCES_NO_OVERRIDE, sde_crtc->hwfence_features_mask))
hw_ctl->ops.hw_fence_trigger_sw_override(hw_ctl);
SDE_ATRACE_END("plane_wait_input_fence");
return num_hw_fences ? true : false;
}
static void _sde_crtc_setup_mixer_for_encoder(
struct drm_crtc *crtc,
struct drm_encoder *enc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct sde_kms *sde_kms = _sde_crtc_get_kms(crtc);
struct sde_rm *rm = &sde_kms->rm;
struct sde_crtc_mixer *mixer;
struct sde_hw_ctl *last_valid_ctl = NULL;
int i;
struct sde_rm_hw_iter lm_iter, ctl_iter, dspp_iter, ds_iter;
sde_rm_init_hw_iter(&lm_iter, enc->base.id, SDE_HW_BLK_LM);
sde_rm_init_hw_iter(&ctl_iter, enc->base.id, SDE_HW_BLK_CTL);
sde_rm_init_hw_iter(&dspp_iter, enc->base.id, SDE_HW_BLK_DSPP);
sde_rm_init_hw_iter(&ds_iter, enc->base.id, SDE_HW_BLK_DS);
/* Set up all the mixers and ctls reserved by this encoder */
for (i = sde_crtc->num_mixers; i < ARRAY_SIZE(sde_crtc->mixers); i++) {
mixer = &sde_crtc->mixers[i];
if (!sde_rm_get_hw(rm, &lm_iter))
break;
mixer->hw_lm = to_sde_hw_mixer(lm_iter.hw);
/* CTL may be <= LMs, if <, multiple LMs controlled by 1 CTL */
if (!sde_rm_get_hw(rm, &ctl_iter)) {
SDE_DEBUG("no ctl assigned to lm %d, using previous\n",
mixer->hw_lm->idx - LM_0);
mixer->hw_ctl = last_valid_ctl;
} else {
mixer->hw_ctl = to_sde_hw_ctl(ctl_iter.hw);
last_valid_ctl = mixer->hw_ctl;
sde_crtc->num_ctls++;
}
/* Shouldn't happen, mixers are always >= ctls */
if (!mixer->hw_ctl) {
SDE_ERROR("no valid ctls found for lm %d\n",
mixer->hw_lm->idx - LM_0);
return;
}
/* Dspp may be null */
(void) sde_rm_get_hw(rm, &dspp_iter);
mixer->hw_dspp = to_sde_hw_dspp(dspp_iter.hw);
/* DS may be null */
(void) sde_rm_get_hw(rm, &ds_iter);
mixer->hw_ds = to_sde_hw_ds(ds_iter.hw);
mixer->encoder = enc;
sde_crtc->num_mixers++;
SDE_DEBUG("setup mixer %d: lm %d\n",
i, mixer->hw_lm->idx - LM_0);
SDE_DEBUG("setup mixer %d: ctl %d\n",
i, mixer->hw_ctl->idx - CTL_0);
if (mixer->hw_ds)
SDE_DEBUG("setup mixer %d: ds %d\n",
i, mixer->hw_ds->idx - DS_0);
}
}
bool sde_crtc_is_line_insertion_supported(struct drm_crtc *crtc)
{
struct drm_encoder *enc = NULL;
struct sde_kms *kms;
if (!crtc)
return false;
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog || !kms->catalog->has_line_insertion)
return false;
list_for_each_entry(enc, &crtc->dev->mode_config.encoder_list, head) {
if (enc->crtc == crtc)
return sde_encoder_is_line_insertion_supported(enc);
}
return false;
}
static void _sde_crtc_setup_mixers(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct drm_encoder *enc;
sde_crtc->num_ctls = 0;
sde_crtc->num_mixers = 0;
sde_crtc->mixers_swapped = false;
memset(sde_crtc->mixers, 0, sizeof(sde_crtc->mixers));
mutex_lock(&sde_crtc->crtc_lock);
/* Check for mixers on all encoders attached to this crtc */
list_for_each_entry(enc, &crtc->dev->mode_config.encoder_list, head) {
if (enc->crtc != crtc)
continue;
/* avoid overwriting mixers info from a copy encoder */
if (sde_encoder_in_clone_mode(enc))
continue;
_sde_crtc_setup_mixer_for_encoder(crtc, enc);
}
mutex_unlock(&sde_crtc->crtc_lock);
_sde_crtc_check_dest_scaler_data(crtc, crtc->state);
}
static void _sde_crtc_setup_is_ppsplit(struct drm_crtc_state *state)
{
int i;
struct sde_crtc_state *cstate;
cstate = to_sde_crtc_state(state);
cstate->is_ppsplit = false;
for (i = 0; i < cstate->num_connectors; i++) {
struct drm_connector *conn = cstate->connectors[i];
if (sde_connector_get_topology_name(conn) ==
SDE_RM_TOPOLOGY_PPSPLIT)
cstate->is_ppsplit = true;
}
}
static void _sde_crtc_setup_lm_bounds(struct drm_crtc *crtc, struct drm_crtc_state *state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_display_mode *adj_mode;
u32 mixer_width, mixer_height;
int i;
if (!crtc || !state) {
SDE_ERROR("invalid args\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
adj_mode = &state->adjusted_mode;
sde_crtc_get_mixer_resolution(crtc, state, adj_mode, &mixer_width, &mixer_height);
for (i = 0; i < sde_crtc->num_mixers; i++) {
cstate->lm_bounds[i].x = mixer_width * i;
cstate->lm_bounds[i].y = 0;
cstate->lm_bounds[i].w = mixer_width;
cstate->lm_bounds[i].h = mixer_height;
memcpy(&cstate->lm_roi[i], &cstate->lm_bounds[i], sizeof(cstate->lm_roi[i]));
SDE_EVT32_VERBOSE(DRMID(crtc), i,
cstate->lm_bounds[i].x, cstate->lm_bounds[i].y,
cstate->lm_bounds[i].w, cstate->lm_bounds[i].h);
SDE_DEBUG("%s: lm%d bnd&roi (%d,%d,%d,%d)\n", sde_crtc->name, i,
cstate->lm_roi[i].x, cstate->lm_roi[i].y,
cstate->lm_roi[i].w, cstate->lm_roi[i].h);
}
drm_mode_debug_printmodeline(adj_mode);
}
static void _sde_crtc_clear_all_blend_stages(struct sde_crtc *sde_crtc)
{
struct sde_crtc_mixer mixer;
/*
* Use mixer[0] to get hw_ctl which will use ops to clear
* all blendstages. Clear all blendstages will iterate through
* all mixers.
*/
if (sde_crtc->num_mixers) {
mixer = sde_crtc->mixers[0];
if (mixer.hw_ctl && mixer.hw_ctl->ops.clear_all_blendstages)
mixer.hw_ctl->ops.clear_all_blendstages(mixer.hw_ctl);
if (mixer.hw_ctl && mixer.hw_ctl->ops.set_active_pipes)
mixer.hw_ctl->ops.set_active_pipes(mixer.hw_ctl, NULL);
}
}
static void _sde_crtc_atomic_begin(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
struct sde_crtc *sde_crtc;
struct drm_encoder *encoder;
struct drm_device *dev;
struct sde_kms *sde_kms;
struct sde_splash_display *splash_display;
bool cont_splash_enabled = false;
size_t i;
if (!crtc->state->enable) {
SDE_DEBUG("crtc%d -> enable %d, skip atomic_begin\n",
crtc->base.id, crtc->state->enable);
return;
}
if (!sde_kms_power_resource_is_enabled(crtc->dev)) {
SDE_ERROR("power resource is not enabled\n");
return;
}
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms)
return;
SDE_ATRACE_BEGIN("crtc_atomic_begin");
SDE_DEBUG("crtc%d\n", crtc->base.id);
sde_crtc = to_sde_crtc(crtc);
dev = crtc->dev;
if (!sde_crtc->num_mixers) {
_sde_crtc_setup_mixers(crtc);
_sde_crtc_setup_is_ppsplit(crtc->state);
_sde_crtc_setup_lm_bounds(crtc, crtc->state);
_sde_crtc_clear_all_blend_stages(sde_crtc);
} else if (sde_crtc->num_mixers && sde_crtc->reinit_crtc_mixers) {
_sde_crtc_setup_mixers(crtc);
sde_crtc->reinit_crtc_mixers = false;
}
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc != crtc)
continue;
/* encoder will trigger pending mask now */
sde_encoder_trigger_kickoff_pending(encoder);
}
/* update performance setting */
sde_core_perf_crtc_update(crtc, 1, false);
/*
* If no mixers have been allocated in sde_crtc_atomic_check(),
* it means we are trying to flush a CRTC whose state is disabled:
* nothing else needs to be done.
*/
if (unlikely(!sde_crtc->num_mixers))
goto end;
_sde_crtc_blend_setup(crtc, old_state, true);
_sde_crtc_dest_scaler_setup(crtc);
sde_cp_crtc_apply_noise(crtc, old_state);
if (crtc->state->mode_changed || sde_kms->perf.catalog->uidle_cfg.dirty)
sde_core_perf_crtc_update_uidle(crtc, true);
/* update cached_encoder_mask if new conn is added or removed */
if (crtc->state->connectors_changed)
sde_crtc->cached_encoder_mask = crtc->state->encoder_mask;
/*
* Since CP properties use AXI buffer to program the
* HW, check if context bank is in attached state,
* apply color processing properties only if
* smmu state is attached,
*/
for (i = 0; i < MAX_DSI_DISPLAYS; i++) {
splash_display = &sde_kms->splash_data.splash_display[i];
if (splash_display->cont_splash_enabled &&
splash_display->encoder &&
crtc == splash_display->encoder->crtc)
cont_splash_enabled = true;
}
if (sde_kms_is_cp_operation_allowed(sde_kms))
sde_cp_crtc_apply_properties(crtc);
/*
* PP_DONE irq is only used by command mode for now.
* It is better to request pending before FLUSH and START trigger
* to make sure no pp_done irq missed.
* This is safe because no pp_done will happen before SW trigger
* in command mode.
*/
end:
SDE_ATRACE_END("crtc_atomic_begin");
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0))
static void sde_crtc_atomic_begin(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
struct drm_crtc_state *old_state = NULL;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return;
}
old_state = drm_atomic_get_old_crtc_state(state, crtc);
_sde_crtc_atomic_begin(crtc, old_state);
}
#else
static void sde_crtc_atomic_begin(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return;
}
_sde_crtc_atomic_begin(crtc, old_state);
}
#endif
static void sde_crtc_atomic_flush_common(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
struct drm_encoder *encoder;
struct sde_crtc *sde_crtc;
struct drm_device *dev;
struct drm_plane *plane;
struct msm_drm_private *priv;
struct sde_crtc_state *cstate;
struct sde_kms *sde_kms;
struct drm_connector *conn;
struct drm_connector_state *conn_state;
struct sde_connector *sde_conn = NULL;
int i;
if (!crtc || !crtc->dev || !crtc->dev->dev_private) {
SDE_ERROR("invalid crtc\n");
return;
}
if (!crtc->state->enable) {
SDE_DEBUG("crtc%d -> enable %d, skip atomic_flush\n",
crtc->base.id, crtc->state->enable);
return;
}
if (!sde_kms_power_resource_is_enabled(crtc->dev)) {
SDE_ERROR("power resource is not enabled\n");
return;
}
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms) {
SDE_ERROR("invalid kms\n");
return;
}
SDE_DEBUG("crtc%d\n", crtc->base.id);
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
dev = crtc->dev;
priv = dev->dev_private;
for_each_new_connector_in_state(state, conn, conn_state, i) {
if (!conn_state || conn_state->crtc != crtc)
continue;
sde_conn = to_sde_connector(conn_state->connector);
}
/* When doze is requested, switch first to normal mode */
if (sde_conn && sde_conn->lp_mode && sde_crtc_get_property(cstate, CRTC_PROP_CACHE_STATE))
sde_crtc_static_img_control(crtc, CACHE_STATE_NORMAL, false);
if ((sde_crtc->cache_state == CACHE_STATE_NORMAL) &&
sde_crtc_get_property(cstate, CRTC_PROP_CACHE_STATE))
sde_crtc_static_img_control(crtc, CACHE_STATE_FRAME_WRITE,
false);
else
sde_crtc_static_img_control(crtc, CACHE_STATE_NORMAL, false);
/*
* If no mixers has been allocated in sde_crtc_atomic_check(),
* it means we are trying to flush a CRTC whose state is disabled:
* nothing else needs to be done.
*/
if (unlikely(!sde_crtc->num_mixers))
return;
SDE_ATRACE_BEGIN("sde_crtc_atomic_flush");
/*
* For planes without commit update, drm framework will not add
* those planes to current state since hardware update is not
* required. However, if those planes were power collapsed since
* last commit cycle, driver has to restore the hardware state
* of those planes explicitly here prior to plane flush.
* Also use this iteration to see if any plane requires cache,
* so during the perf update driver can activate/deactivate
* the cache accordingly.
*/
for (i = 0; i < SDE_SYS_CACHE_MAX; i++)
sde_crtc->new_perf.llcc_active[i] = false;
drm_atomic_crtc_for_each_plane(plane, crtc) {
sde_plane_restore(plane);
for (i = 0; i < SDE_SYS_CACHE_MAX; i++) {
if (sde_plane_is_cache_required(plane, i))
sde_crtc->new_perf.llcc_active[i] = true;
}
}
sde_core_perf_crtc_update_llcc(crtc);
/* wait for acquire fences before anything else is done */
cstate->hwfence_in_fences_set = _sde_crtc_wait_for_fences(crtc);
if (!cstate->rsc_update) {
drm_for_each_encoder_mask(encoder, dev,
crtc->state->encoder_mask) {
cstate->rsc_client =
sde_encoder_get_rsc_client(encoder);
}
cstate->rsc_update = true;
}
/*
* Final plane updates: Give each plane a chance to complete all
* required writes/flushing before crtc's "flush
* everything" call below.
*/
drm_atomic_crtc_for_each_plane(plane, crtc) {
if (sde_kms->smmu_state.transition_error)
sde_plane_set_error(plane, true);
sde_plane_flush(plane);
}
/* Kickoff will be scheduled by outer layer */
SDE_ATRACE_END("sde_crtc_atomic_flush");
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0))
static void sde_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
return sde_crtc_atomic_flush_common(crtc, state);
}
#else
static void sde_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
{
return sde_crtc_atomic_flush_common(crtc, old_crtc_state->state);
}
#endif
/**
* sde_crtc_destroy_state - state destroy hook
* @crtc: drm CRTC
* @state: CRTC state object to release
*/
static void sde_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_encoder *enc;
struct sde_kms *sde_kms;
if (!crtc || !state) {
SDE_ERROR("invalid argument(s)\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms) {
SDE_ERROR("invalid sde_kms\n");
return;
}
SDE_DEBUG("crtc%d\n", crtc->base.id);
drm_for_each_encoder_mask(enc, crtc->dev, state->encoder_mask)
sde_rm_release(&sde_kms->rm, enc, true);
sde_cp_clear_state_info(state);
__drm_atomic_helper_crtc_destroy_state(state);
/* destroy value helper */
msm_property_destroy_state(&sde_crtc->property_info, cstate,
&cstate->property_state);
}
static int _sde_crtc_flush_frame_events(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
int i;
if (!crtc) {
SDE_ERROR("invalid argument\n");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
if (!atomic_read(&sde_crtc->frame_pending)) {
SDE_DEBUG("no frames pending\n");
return 0;
}
SDE_EVT32(DRMID(crtc), SDE_EVTLOG_FUNC_ENTRY);
/*
* flush all the event thread work to make sure all the
* FRAME_EVENTS from encoder are propagated to crtc
*/
for (i = 0; i < ARRAY_SIZE(sde_crtc->frame_events); i++) {
if (list_empty(&sde_crtc->frame_events[i].list))
kthread_flush_work(&sde_crtc->frame_events[i].work);
}
SDE_EVT32_VERBOSE(DRMID(crtc), SDE_EVTLOG_FUNC_EXIT);
return 0;
}
static void _sde_crtc_flush_vblank_events(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
int i;
if (!crtc) {
SDE_ERROR("invalid argument\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
for (i = 0; i < ARRAY_SIZE(sde_crtc->vblank_events); i++) {
if (list_empty(&sde_crtc->vblank_events[i].list))
kthread_flush_work(&sde_crtc->vblank_events[i].work);
}
SDE_EVT32(DRMID(crtc), SDE_EVTLOG_FUNC_EXIT);
}
/**
* _sde_crtc_remove_pipe_flush - remove staged pipes from flush mask
* @crtc: Pointer to crtc structure
*/
static void _sde_crtc_remove_pipe_flush(struct drm_crtc *crtc)
{
struct drm_plane *plane;
struct drm_plane_state *state;
struct sde_crtc *sde_crtc;
struct sde_crtc_mixer *mixer;
struct sde_hw_ctl *ctl;
if (!crtc)
return;
sde_crtc = to_sde_crtc(crtc);
mixer = sde_crtc->mixers;
if (!mixer)
return;
ctl = mixer->hw_ctl;
drm_atomic_crtc_for_each_plane(plane, crtc) {
state = plane->state;
if (!state)
continue;
/* clear plane flush bitmask */
sde_plane_ctl_flush(plane, ctl, false);
}
}
void sde_crtc_dump_fences(struct drm_crtc *crtc)
{
struct drm_plane *plane = NULL;
drm_atomic_crtc_for_each_plane(plane, crtc)
sde_plane_dump_input_fence(plane);
}
bool sde_crtc_is_fence_signaled(struct drm_crtc *crtc)
{
struct drm_plane *plane = NULL;
drm_atomic_crtc_for_each_plane(plane, crtc) {
if (!sde_plane_is_sw_fence_signaled(plane))
return false;
}
return true;
}
/**
* sde_crtc_reset_hw - attempt hardware reset on errors
* @crtc: Pointer to DRM crtc instance
* @old_state: Pointer to crtc state for previous commit
* @recovery_events: Whether or not recovery events are enabled
* Returns: Zero if current commit should still be attempted
*/
int sde_crtc_reset_hw(struct drm_crtc *crtc, struct drm_crtc_state *old_state,
bool recovery_events)
{
struct drm_plane *plane_halt[MAX_PLANES];
struct drm_plane *plane;
struct drm_encoder *encoder;
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct sde_hw_ctl *ctl;
signed int i, plane_count;
int rc;
if (!crtc || !crtc->dev || !old_state || !crtc->state)
return -EINVAL;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
SDE_EVT32(DRMID(crtc), recovery_events, SDE_EVTLOG_FUNC_ENTRY);
/* optionally generate a panic instead of performing a h/w reset */
SDE_DBG_CTRL("stop_ftrace", "reset_hw_panic");
for (i = 0; i < sde_crtc->num_ctls; ++i) {
ctl = sde_crtc->mixers[i].hw_ctl;
if (!ctl || !ctl->ops.reset)
continue;
rc = ctl->ops.reset(ctl);
if (rc) {
SDE_DEBUG("crtc%d: ctl%d reset failure\n",
crtc->base.id, ctl->idx - CTL_0);
SDE_EVT32(DRMID(crtc), ctl->idx - CTL_0,
SDE_EVTLOG_ERROR);
break;
}
}
/*
* Early out if simple ctl reset succeeded or reset is
* being performed after timeout
*/
if (i == sde_crtc->num_ctls || crtc->state == old_state)
return 0;
SDE_DEBUG("crtc%d: issuing hard reset\n", DRMID(crtc));
/* force all components in the system into reset at the same time */
for (i = 0; i < sde_crtc->num_ctls; ++i) {
ctl = sde_crtc->mixers[i].hw_ctl;
if (!ctl || !ctl->ops.hard_reset)
continue;
SDE_EVT32(DRMID(crtc), ctl->idx - CTL_0);
ctl->ops.hard_reset(ctl, true);
}
plane_count = 0;
drm_atomic_crtc_state_for_each_plane(plane, old_state) {
if (plane_count >= ARRAY_SIZE(plane_halt))
break;
plane_halt[plane_count++] = plane;
sde_plane_halt_requests(plane, true);
sde_plane_set_revalidate(plane, true);
}
/* provide safe "border color only" commit configuration for later */
_sde_crtc_remove_pipe_flush(crtc);
_sde_crtc_blend_setup(crtc, old_state, false);
/* take h/w components out of reset */
for (i = plane_count - 1; i >= 0; --i)
sde_plane_halt_requests(plane_halt[i], false);
/* attempt to poll for start of frame cycle before reset release */
list_for_each_entry(encoder,
&crtc->dev->mode_config.encoder_list, head) {
if (encoder->crtc != crtc)
continue;
if (sde_encoder_get_intf_mode(encoder) == INTF_MODE_VIDEO)
sde_encoder_poll_line_counts(encoder);
}
for (i = 0; i < sde_crtc->num_ctls; ++i) {
ctl = sde_crtc->mixers[i].hw_ctl;
if (!ctl || !ctl->ops.hard_reset)
continue;
ctl->ops.hard_reset(ctl, false);
}
list_for_each_entry(encoder,
&crtc->dev->mode_config.encoder_list, head) {
if (encoder->crtc != crtc)
continue;
if (sde_encoder_get_intf_mode(encoder) == INTF_MODE_VIDEO)
sde_encoder_kickoff(encoder, true);
}
/* panic the device if VBIF is not in good state */
return !recovery_events ? 0 : -EAGAIN;
}
void sde_crtc_commit_kickoff(struct drm_crtc *crtc,
struct drm_crtc_state *old_state)
{
struct drm_encoder *encoder;
struct drm_device *dev;
struct sde_crtc *sde_crtc;
struct sde_kms *sde_kms;
struct sde_crtc_state *cstate;
bool is_error = false;
unsigned long flags;
enum sde_crtc_idle_pc_state idle_pc_state;
struct sde_encoder_kickoff_params params = { 0 };
bool is_vid = false;
if (!crtc) {
SDE_ERROR("invalid argument\n");
return;
}
dev = crtc->dev;
sde_crtc = to_sde_crtc(crtc);
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms || !sde_kms->dev || !sde_kms->dev->dev_private) {
SDE_ERROR("invalid argument\n");
return;
}
cstate = to_sde_crtc_state(crtc->state);
/*
* If no mixers has been allocated in sde_crtc_atomic_check(),
* it means we are trying to start a CRTC whose state is disabled:
* nothing else needs to be done.
*/
if (unlikely(!sde_crtc->num_mixers))
return;
SDE_ATRACE_BEGIN("crtc_commit");
idle_pc_state = sde_crtc_get_property(cstate, CRTC_PROP_IDLE_PC_STATE);
sde_crtc->kickoff_in_progress = true;
sde_crtc->handle_fence_error_bw_update = false;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc != crtc)
continue;
/*
* Encoder will flush/start now, unless it has a tx pending.
* If so, it may delay and flush at an irq event (e.g. ppdone)
*/
params.affected_displays = _sde_crtc_get_displays_affected(crtc,
crtc->state);
if (sde_encoder_prepare_for_kickoff(encoder, ¶ms))
sde_crtc->needs_hw_reset = true;
if (idle_pc_state != IDLE_PC_NONE)
sde_encoder_control_idle_pc(encoder,
(idle_pc_state == IDLE_PC_ENABLE) ? true : false);
if (sde_encoder_get_intf_mode(encoder) == INTF_MODE_VIDEO)
is_vid = true;
}
/*
* Optionally attempt h/w recovery if any errors were detected while
* preparing for the kickoff
*/
if (sde_crtc->needs_hw_reset) {
sde_crtc->frame_trigger_mode = params.frame_trigger_mode;
if (sde_crtc->frame_trigger_mode
!= FRAME_DONE_WAIT_POSTED_START &&
sde_crtc_reset_hw(crtc, old_state,
params.recovery_events_enabled))
is_error = true;
sde_crtc->needs_hw_reset = false;
}
sde_crtc_calc_fps(sde_crtc);
SDE_ATRACE_BEGIN("flush_event_thread");
_sde_crtc_flush_frame_events(crtc);
SDE_ATRACE_END("flush_event_thread");
sde_crtc->plane_mask_old = crtc->state->plane_mask;
if (atomic_inc_return(&sde_crtc->frame_pending) == 1) {
/* acquire bandwidth and other resources */
SDE_DEBUG("crtc%d first commit\n", crtc->base.id);
SDE_EVT32(DRMID(crtc), SDE_EVTLOG_FUNC_CASE1);
} else {
SDE_DEBUG("crtc%d commit\n", crtc->base.id);
SDE_EVT32(DRMID(crtc), SDE_EVTLOG_FUNC_CASE2);
}
sde_crtc->play_count++;
sde_vbif_clear_errors(sde_kms);
if (is_error) {
_sde_crtc_remove_pipe_flush(crtc);
_sde_crtc_blend_setup(crtc, old_state, false);
}
/*
* for cmd and wb modes, update the txq for incoming fences before flush to avoid race
* condition between txq update and the hw signal during ctl-done for partial updates
*/
if (test_bit(HW_FENCE_OUT_FENCES_ENABLE, sde_crtc->hwfence_features_mask) && !is_vid)
sde_fence_update_hw_fences_txq(sde_crtc->output_fence, false, 0,
sde_kms->debugfs_hw_fence);
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc != crtc)
continue;
sde_encoder_kickoff(encoder, true);
}
sde_crtc->kickoff_in_progress = false;
/* store the event after frame trigger */
if (sde_crtc->event) {
WARN_ON(sde_crtc->event);
} else {
spin_lock_irqsave(&dev->event_lock, flags);
sde_crtc->event = crtc->state->event;
spin_unlock_irqrestore(&dev->event_lock, flags);
}
SDE_ATRACE_END("crtc_commit");
}
/**
* _sde_crtc_vblank_enable - update power resource and vblank request
* @sde_crtc: Pointer to sde crtc structure
* @enable: Whether to enable/disable vblanks
*
* @Return: error code
*/
static int _sde_crtc_vblank_enable(
struct sde_crtc *sde_crtc, bool enable)
{
struct drm_crtc *crtc;
struct drm_encoder *enc;
enum sde_intf_mode intf_mode;
bool wb_intf_mode = false;
if (!sde_crtc) {
SDE_ERROR("invalid crtc\n");
return -EINVAL;
}
crtc = &sde_crtc->base;
SDE_EVT32(DRMID(crtc), enable, sde_crtc->enabled,
crtc->state->encoder_mask,
sde_crtc->cached_encoder_mask);
intf_mode = sde_crtc_get_intf_mode(crtc, crtc->state);
wb_intf_mode = ((intf_mode == INTF_MODE_WB_BLOCK) || (intf_mode == INTF_MODE_WB_LINE));
if (enable) {
int ret;
ret = pm_runtime_resume_and_get(crtc->dev->dev);
if (ret < 0) {
SDE_ERROR("failed to enable power resource %d\n", ret);
SDE_EVT32(ret, SDE_EVTLOG_ERROR);
return ret;
}
mutex_lock(&sde_crtc->crtc_lock);
drm_for_each_encoder_mask(enc, crtc->dev, sde_crtc->cached_encoder_mask) {
if (sde_encoder_in_clone_mode(enc) || wb_intf_mode)
continue;
sde_encoder_register_vblank_callback(enc, sde_crtc_vblank_cb, (void *)crtc);
}
mutex_unlock(&sde_crtc->crtc_lock);
} else {
mutex_lock(&sde_crtc->crtc_lock);
drm_for_each_encoder_mask(enc, crtc->dev, sde_crtc->cached_encoder_mask) {
if (sde_encoder_in_clone_mode(enc) || wb_intf_mode)
continue;
sde_encoder_register_vblank_callback(enc, NULL, NULL);
}
mutex_unlock(&sde_crtc->crtc_lock);
pm_runtime_put_sync(crtc->dev->dev);
}
return 0;
}
static void _sde_crtc_reserve_resource(struct drm_crtc *crtc, struct drm_connector *conn)
{
struct sde_kms *kms;
struct drm_encoder *encoder;
u32 min_transfer_time = 0, lm_count = 1;
u64 mode_clock_hz = 0, updated_fps = 0, topology_id;
u32 inf_factor = 105, lm_width, num_bubbles = 0;
if (!crtc || !conn)
return;
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid kms\n");
return;
}
encoder = conn->state->best_encoder;
if (!sde_encoder_is_built_in_display(encoder))
return;
if (sde_encoder_check_curr_mode(encoder, MSM_DISPLAY_CMD_MODE))
sde_encoder_get_transfer_time(encoder, &min_transfer_time);
if (min_transfer_time)
updated_fps = DIV_ROUND_UP(1000000, min_transfer_time);
else
updated_fps = drm_mode_vrefresh(&crtc->mode);
topology_id = sde_connector_get_topology_name(conn);
if (TOPOLOGY_DUALPIPE_MODE(topology_id)) {
lm_count = 2;
if (SDE_HW_MAJOR(kms->catalog->hw_rev) == SDE_HW_MAJOR(SDE_HW_VER_A00))
num_bubbles = 40;
} else if (TOPOLOGY_QUADPIPE_MODE(topology_id)) {
lm_count = 4;
if (SDE_HW_MAJOR(kms->catalog->hw_rev) == SDE_HW_MAJOR(SDE_HW_VER_A00))
num_bubbles = 56;
}
if (SDE_HW_MAJOR(kms->catalog->hw_rev) == SDE_HW_MAJOR(SDE_HW_VER_900)
&& lm_count > 1)
num_bubbles = 30;
lm_width = (crtc->mode.hdisplay) / lm_count;
num_bubbles = mult_frac(num_bubbles, 100, lm_width);
inf_factor = max((100 + num_bubbles), inf_factor);
/* mode clock = [(h * v * fps * 1.05) / (num_lm)] */
mode_clock_hz = mult_frac(crtc->mode.htotal * crtc->mode.vtotal * updated_fps,
inf_factor, 100);
mode_clock_hz = div_u64(mode_clock_hz, lm_count);
SDE_DEBUG("[%s] h=%d v=%d fps=%d lm=%d mode_clk=%u inf_factor=%u\n",
crtc->mode.name, crtc->mode.htotal, crtc->mode.vtotal,
updated_fps, lm_count, mode_clock_hz, inf_factor);
sde_core_perf_crtc_reserve_res(crtc, mode_clock_hz);
}
/**
* sde_crtc_duplicate_state - state duplicate hook
* @crtc: Pointer to drm crtc structure
* @Returns: Pointer to new drm_crtc_state structure
*/
static struct drm_crtc_state *sde_crtc_duplicate_state(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate, *old_cstate;
if (!crtc || !crtc->state) {
SDE_ERROR("invalid argument(s)\n");
return NULL;
}
sde_crtc = to_sde_crtc(crtc);
old_cstate = to_sde_crtc_state(crtc->state);
if (old_cstate->cont_splash_populated) {
crtc->state->plane_mask = 0;
crtc->state->connector_mask = 0;
crtc->state->encoder_mask = 0;
crtc->state->enable = false;
old_cstate->cont_splash_populated = false;
}
cstate = msm_property_alloc_state(&sde_crtc->property_info);
if (!cstate) {
SDE_ERROR("failed to allocate state\n");
return NULL;
}
/* duplicate value helper */
msm_property_duplicate_state(&sde_crtc->property_info,
old_cstate, cstate,
&cstate->property_state, cstate->property_values);
sde_cp_duplicate_state_info(&old_cstate->base, &cstate->base);
/* duplicate base helper */
__drm_atomic_helper_crtc_duplicate_state(crtc, &cstate->base);
return &cstate->base;
}
/**
* sde_crtc_reset - reset hook for CRTCs
* Resets the atomic state for @crtc by freeing the state pointer (which might
* be NULL, e.g. at driver load time) and allocating a new empty state object.
* @crtc: Pointer to drm crtc structure
*/
static void sde_crtc_reset(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return;
}
/* revert suspend actions, if necessary */
if (!sde_crtc_is_reset_required(crtc)) {
SDE_DEBUG("avoiding reset for crtc:%d\n", crtc->base.id);
return;
}
/* remove previous state, if present */
if (crtc->state) {
sde_crtc_destroy_state(crtc, crtc->state);
crtc->state = 0;
}
sde_crtc = to_sde_crtc(crtc);
cstate = msm_property_alloc_state(&sde_crtc->property_info);
if (!cstate) {
SDE_ERROR("failed to allocate state\n");
return;
}
/* reset value helper */
msm_property_reset_state(&sde_crtc->property_info, cstate,
&cstate->property_state,
cstate->property_values);
_sde_crtc_set_input_fence_timeout(cstate);
cstate->base.crtc = crtc;
crtc->state = &cstate->base;
}
static void sde_crtc_clear_cached_mixer_cfg(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct sde_hw_mixer *hw_lm;
int lm_idx;
/* clearing lm cfg marks it dirty to force reprogramming next update */
for (lm_idx = 0; lm_idx < sde_crtc->num_mixers; lm_idx++) {
hw_lm = sde_crtc->mixers[lm_idx].hw_lm;
hw_lm->cfg.out_width = 0;
hw_lm->cfg.out_height = 0;
}
SDE_EVT32(DRMID(crtc));
}
void sde_crtc_reset_sw_state(struct drm_crtc *crtc)
{
struct sde_crtc_state *cstate = to_sde_crtc_state(crtc->state);
struct drm_plane *plane;
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
/* mark planes, mixers, and other blocks dirty for next update */
drm_atomic_crtc_for_each_plane(plane, crtc)
sde_plane_set_revalidate(plane, true);
/* mark mixers dirty for next update */
sde_crtc_clear_cached_mixer_cfg(crtc);
/* mark other properties which need to be dirty for next update */
set_bit(SDE_CRTC_DIRTY_DIM_LAYERS, &sde_crtc->revalidate_mask);
if (cstate->num_ds_enabled)
set_bit(SDE_CRTC_DIRTY_DEST_SCALER, cstate->dirty);
/* wipe out cached CRTC ROI so PU is seen as dirty next update */
memset(&cstate->cached_user_roi_list, 0, sizeof(cstate->cached_user_roi_list));
}
static void sde_crtc_post_ipc(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_encoder *encoder;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
/* restore encoder; crtc will be programmed during commit */
drm_for_each_encoder_mask(encoder, crtc->dev, crtc->state->encoder_mask)
sde_encoder_virt_restore(encoder);
/* restore UIDLE */
sde_core_perf_crtc_update_uidle(crtc, true);
sde_cp_crtc_post_ipc(crtc);
}
static void sde_crtc_mmrm_cb_notification(struct drm_crtc *crtc)
{
struct msm_drm_private *priv;
unsigned long requested_clk;
struct sde_kms *kms = NULL;
if (!crtc->dev->dev_private) {
pr_err("invalid crtc priv\n");
return;
}
priv = crtc->dev->dev_private;
kms = to_sde_kms(priv->kms);
if (!kms) {
SDE_ERROR("invalid parameters\n");
return;
}
requested_clk = sde_power_mmrm_get_requested_clk(&priv->phandle,
kms->perf.clk_name);
/* notify user space the reduced clk rate */
sde_crtc_event_notify(crtc, DRM_EVENT_MMRM_CB, &requested_clk, sizeof(unsigned long));
SDE_DEBUG("crtc[%d]: MMRM cb notified clk:%d\n",
crtc->base.id, requested_clk);
}
static void sde_crtc_handle_power_event(u32 event_type, void *arg)
{
struct drm_crtc *crtc = arg;
struct sde_crtc *sde_crtc;
struct drm_encoder *encoder;
u32 power_on;
unsigned long flags;
struct sde_crtc_irq_info *node = NULL;
int ret = 0;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
mutex_lock(&sde_crtc->crtc_lock);
SDE_EVT32(DRMID(crtc), event_type);
switch (event_type) {
case SDE_POWER_EVENT_POST_ENABLE:
spin_lock_irqsave(&sde_crtc->spin_lock, flags);
list_for_each_entry(node, &sde_crtc->user_event_list, list) {
ret = 0;
if (node->func)
ret = node->func(crtc, true, &node->irq);
if (ret)
SDE_ERROR("%s failed to enable event %x\n",
sde_crtc->name, node->event);
}
spin_unlock_irqrestore(&sde_crtc->spin_lock, flags);
sde_crtc_post_ipc(crtc);
break;
case SDE_POWER_EVENT_PRE_DISABLE:
drm_for_each_encoder_mask(encoder, crtc->dev,
crtc->state->encoder_mask)
sde_encoder_idle_pc_enter(encoder);
spin_lock_irqsave(&sde_crtc->spin_lock, flags);
node = NULL;
list_for_each_entry(node, &sde_crtc->user_event_list, list) {
ret = 0;
if (node->func)
ret = node->func(crtc, false, &node->irq);
if (ret)
SDE_ERROR("%s failed to disable event %x\n",
sde_crtc->name, node->event);
}
spin_unlock_irqrestore(&sde_crtc->spin_lock, flags);
sde_cp_crtc_pre_ipc(crtc);
break;
case SDE_POWER_EVENT_POST_DISABLE:
sde_crtc_reset_sw_state(crtc);
sde_cp_crtc_suspend(crtc);
power_on = 0;
sde_crtc_event_notify(crtc, DRM_EVENT_SDE_POWER, &power_on, sizeof(u32));
break;
case SDE_POWER_EVENT_MMRM_CALLBACK:
sde_crtc_mmrm_cb_notification(crtc);
break;
default:
SDE_DEBUG("event:%d not handled\n", event_type);
break;
}
mutex_unlock(&sde_crtc->crtc_lock);
}
static void _sde_crtc_reset(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct sde_crtc_state *cstate = to_sde_crtc_state(crtc->state);
/* mark mixer cfgs dirty before wiping them */
sde_crtc_clear_cached_mixer_cfg(crtc);
memset(sde_crtc->mixers, 0, sizeof(sde_crtc->mixers));
sde_crtc->num_mixers = 0;
sde_crtc->mixers_swapped = false;
/* disable clk & bw control until clk & bw properties are set */
cstate->bw_control = false;
cstate->bw_split_vote = false;
cstate->hwfence_in_fences_set = false;
sde_crtc_static_img_control(crtc, CACHE_STATE_DISABLED, false);
}
static void sde_crtc_disable(struct drm_crtc *crtc)
{
struct sde_kms *sde_kms;
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_encoder *encoder;
struct msm_drm_private *priv;
unsigned long flags;
struct sde_crtc_irq_info *node = NULL;
u32 power_on;
bool in_cont_splash = false;
int ret, i;
enum sde_intf_mode intf_mode;
struct sde_hw_ctl *hw_ctl = NULL;
if (!crtc || !crtc->dev || !crtc->dev->dev_private || !crtc->state) {
SDE_ERROR("invalid crtc\n");
return;
}
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms) {
SDE_ERROR("invalid kms\n");
return;
}
if (!sde_kms_power_resource_is_enabled(crtc->dev)) {
SDE_ERROR("power resource is not enabled\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
priv = crtc->dev->dev_private;
SDE_DEBUG("crtc%d\n", crtc->base.id);
/* avoid vblank on/off for virtual display */
intf_mode = sde_crtc_get_intf_mode(crtc, crtc->state);
if ((intf_mode != INTF_MODE_WB_BLOCK) && (intf_mode != INTF_MODE_WB_LINE)) {
_sde_crtc_flush_vblank_events(crtc);
drm_crtc_vblank_off(crtc);
}
mutex_lock(&sde_crtc->crtc_lock);
SDE_EVT32_VERBOSE(DRMID(crtc));
/* update color processing on suspend */
sde_cp_crtc_suspend(crtc);
mutex_unlock(&sde_crtc->crtc_lock);
kthread_flush_worker(&priv->event_thread[crtc->index].worker);
mutex_lock(&sde_crtc->crtc_lock);
kthread_cancel_delayed_work_sync(&sde_crtc->static_cache_read_work);
SDE_EVT32(DRMID(crtc), sde_crtc->enabled, crtc->state->active,
crtc->state->enable, sde_crtc->cached_encoder_mask);
sde_crtc->enabled = false;
sde_crtc->cached_encoder_mask = 0;
cstate->cached_cwb_enc_mask = 0;
/* Try to disable uidle */
sde_core_perf_crtc_update_uidle(crtc, false);
for (i = 0; i < SDE_SYS_CACHE_MAX; i++)
sde_crtc->new_perf.llcc_active[i] = 0;
sde_core_perf_crtc_update_llcc(crtc);
if (atomic_read(&sde_crtc->frame_pending)) {
SDE_ERROR("crtc%d frame_pending%d\n", crtc->base.id,
atomic_read(&sde_crtc->frame_pending));
SDE_EVT32(DRMID(crtc), atomic_read(&sde_crtc->frame_pending),
SDE_EVTLOG_FUNC_CASE2);
sde_core_perf_crtc_release_bw(crtc);
atomic_set(&sde_crtc->frame_pending, 0);
}
spin_lock_irqsave(&sde_crtc->spin_lock, flags);
list_for_each_entry(node, &sde_crtc->user_event_list, list) {
ret = 0;
if (node->func)
ret = node->func(crtc, false, &node->irq);
if (ret)
SDE_ERROR("%s failed to disable event %x\n",
sde_crtc->name, node->event);
}
spin_unlock_irqrestore(&sde_crtc->spin_lock, flags);
drm_for_each_encoder_mask(encoder, crtc->dev,
crtc->state->encoder_mask) {
if (sde_encoder_in_cont_splash(encoder)) {
in_cont_splash = true;
break;
}
}
/* avoid clk/bw downvote if cont-splash is enabled */
if (!in_cont_splash)
sde_core_perf_crtc_update(crtc, 0, true);
drm_for_each_encoder_mask(encoder, crtc->dev,
crtc->state->encoder_mask) {
sde_encoder_register_frame_event_callback(encoder, NULL, NULL);
cstate->rsc_client = NULL;
cstate->rsc_update = false;
/*
* reset idle power-collapse to original state during suspend;
* user-mode will change the state on resume, if required
*/
if (test_bit(SDE_FEATURE_IDLE_PC, sde_kms->catalog->features))
sde_encoder_control_idle_pc(encoder, true);
}
if (sde_crtc->power_event) {
sde_power_handle_unregister_event(&priv->phandle,
sde_crtc->power_event);
sde_crtc->power_event = NULL;
}
/**
* All callbacks are unregistered and frame done waits are complete
* at this point. No buffers are accessed by hardware.
* reset the fence timeline if crtc will not be enabled for this commit
*/
if (!crtc->state->active || !crtc->state->enable) {
if (test_bit(HW_FENCE_OUT_FENCES_ENABLE, sde_crtc->hwfence_features_mask))
hw_ctl = _sde_crtc_get_hw_ctl(crtc);
sde_fence_signal(sde_crtc->output_fence,
ktime_get(), SDE_FENCE_RESET_TIMELINE, hw_ctl);
for (i = 0; i < cstate->num_connectors; ++i)
sde_connector_commit_reset(cstate->connectors[i],
ktime_get());
}
_sde_crtc_reset(crtc);
sde_cp_crtc_disable(crtc);
power_on = 0;
sde_crtc_event_notify(crtc, DRM_EVENT_CRTC_POWER, &power_on, sizeof(u32));
/* suspend case: clear stale OPR value */
if (sde_crtc->opr_event_notify_enabled)
memset(&sde_crtc->previous_opr_value, 0, sizeof(struct sde_opr_value));
mutex_unlock(&sde_crtc->crtc_lock);
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0))
static void sde_crtc_enable(struct drm_crtc *crtc,
struct drm_atomic_state *old_state)
#else
static void sde_crtc_enable(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state)
#endif
{
struct sde_crtc *sde_crtc;
struct drm_encoder *encoder;
struct msm_drm_private *priv;
unsigned long flags;
struct sde_crtc_irq_info *node = NULL;
int ret, i;
struct sde_crtc_state *cstate;
struct msm_display_mode *msm_mode;
enum sde_intf_mode intf_mode;
struct sde_kms *kms;
if (!crtc || !crtc->dev || !crtc->dev->dev_private) {
SDE_ERROR("invalid crtc\n");
return;
}
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid kms handle\n");
return;
}
priv = crtc->dev->dev_private;
cstate = to_sde_crtc_state(crtc->state);
if (!sde_kms_power_resource_is_enabled(crtc->dev)) {
SDE_ERROR("power resource is not enabled\n");
return;
}
SDE_DEBUG("crtc%d\n", crtc->base.id);
SDE_EVT32_VERBOSE(DRMID(crtc));
sde_crtc = to_sde_crtc(crtc);
cstate->line_insertion.panel_line_insertion_enable =
sde_crtc_is_line_insertion_supported(crtc);
/*
* Avoid drm_crtc_vblank_on during seamless DMS case
* when CRTC is already in enabled state
*/
if (!sde_crtc->enabled) {
/* cache the encoder mask now for vblank work */
sde_crtc->cached_encoder_mask = crtc->state->encoder_mask;
/* avoid vblank on/off for virtual display */
intf_mode = sde_crtc_get_intf_mode(crtc, crtc->state);
if ((intf_mode != INTF_MODE_WB_BLOCK) && (intf_mode != INTF_MODE_WB_LINE)) {
/* max possible vsync_cnt(atomic_t) soft counter */
if (test_bit(SDE_FEATURE_HW_VSYNC_TS, kms->catalog->features))
drm_crtc_set_max_vblank_count(crtc, INT_MAX);
drm_crtc_vblank_on(crtc);
}
}
mutex_lock(&sde_crtc->crtc_lock);
SDE_EVT32(DRMID(crtc), sde_crtc->enabled);
/*
* Try to enable uidle (if possible), we do this before the call
* to return early during seamless dms mode, so any fps
* change is also consider to enable/disable UIDLE
*/
sde_core_perf_crtc_update_uidle(crtc, true);
msm_mode = sde_crtc_get_msm_mode(crtc->state);
if (!msm_mode){
SDE_ERROR("invalid msm mode, %s\n",
crtc->state->adjusted_mode.name);
return;
}
/* return early if crtc is already enabled, do this after UIDLE check */
if (sde_crtc->enabled) {
if (msm_is_mode_seamless_dms(msm_mode) ||
msm_is_mode_seamless_dyn_clk(msm_mode))
SDE_DEBUG("%s extra crtc enable expected during DMS\n",
sde_crtc->name);
else
WARN(1, "%s unexpected crtc enable\n", sde_crtc->name);
mutex_unlock(&sde_crtc->crtc_lock);
return;
}
drm_for_each_encoder_mask(encoder, crtc->dev,
crtc->state->encoder_mask) {
sde_encoder_register_frame_event_callback(encoder,
sde_crtc_frame_event_cb, crtc);
sde_crtc_static_img_control(crtc, CACHE_STATE_NORMAL,
sde_encoder_check_curr_mode(encoder,
MSM_DISPLAY_VIDEO_MODE));
}
sde_crtc->enabled = true;
sde_cp_crtc_enable(crtc);
/* update color processing on resume */
sde_cp_crtc_resume(crtc);
mutex_unlock(&sde_crtc->crtc_lock);
spin_lock_irqsave(&sde_crtc->spin_lock, flags);
list_for_each_entry(node, &sde_crtc->user_event_list, list) {
ret = 0;
if (node->func)
ret = node->func(crtc, true, &node->irq);
if (ret)
SDE_ERROR("%s failed to enable event %x\n",
sde_crtc->name, node->event);
}
spin_unlock_irqrestore(&sde_crtc->spin_lock, flags);
sde_crtc->power_event = sde_power_handle_register_event(
&priv->phandle,
SDE_POWER_EVENT_POST_ENABLE | SDE_POWER_EVENT_POST_DISABLE |
SDE_POWER_EVENT_PRE_DISABLE | SDE_POWER_EVENT_MMRM_CALLBACK,
sde_crtc_handle_power_event, crtc, sde_crtc->name);
/* Enable ESD thread */
for (i = 0; i < cstate->num_connectors; i++) {
sde_connector_schedule_status_work(cstate->connectors[i], true);
_sde_crtc_reserve_resource(crtc, cstate->connectors[i]);
}
}
/* no input validation - caller API has all the checks */
static int _sde_crtc_excl_dim_layer_check(struct drm_crtc *crtc, struct drm_crtc_state *state,
struct plane_state pstates[], int cnt)
{
struct sde_crtc_state *cstate = to_sde_crtc_state(state);
struct drm_display_mode *mode = &state->adjusted_mode;
const struct drm_plane_state *pstate;
struct sde_plane_state *sde_pstate;
int rc = 0, i;
struct sde_rect *rect;
u32 crtc_width, crtc_height;
sde_crtc_get_resolution(crtc, state, mode, &crtc_width, &crtc_height);
/* Check dim layer rect bounds and stage */
for (i = 0; i < cstate->num_dim_layers; i++) {
rect = &cstate->dim_layer[i].rect;
if ((CHECK_LAYER_BOUNDS(rect->y, rect->h, crtc_height)) ||
(CHECK_LAYER_BOUNDS(rect->x, rect->w, crtc_width)) ||
(cstate->dim_layer[i].stage >= SDE_STAGE_MAX) || (!rect->w) || (!rect->h)) {
SDE_ERROR("crtc:%d wxh:%dx%d, invalid dim_layer:{%d,%d,%d,%d}, stage:%d\n",
DRMID(state->crtc), crtc_width, crtc_height,
rect->x, rect->y, rect->w, rect->h,
cstate->dim_layer[i].stage);
rc = -E2BIG;
goto end;
}
}
/* log all src and excl_rect, useful for debugging */
for (i = 0; i < cnt; i++) {
pstate = pstates[i].drm_pstate;
sde_pstate = to_sde_plane_state(pstate);
SDE_DEBUG("p %d z %d src{%d,%d,%d,%d} excl_rect{%d,%d,%d,%d}\n",
DRMID(pstate->plane), pstates[i].stage,
pstate->crtc_x, pstate->crtc_y, pstate->crtc_w, pstate->crtc_h,
sde_pstate->excl_rect.x, sde_pstate->excl_rect.y,
sde_pstate->excl_rect.w, sde_pstate->excl_rect.h);
}
end:
return rc;
}
static int _sde_crtc_check_secure_blend_config(struct drm_crtc *crtc,
struct drm_crtc_state *state, struct plane_state pstates[],
struct sde_crtc_state *cstate, struct sde_kms *sde_kms,
int cnt, int secure, int fb_ns, int fb_sec, int fb_sec_dir)
{
struct drm_plane *plane;
int i;
if (secure == SDE_DRM_SEC_ONLY) {
/*
* validate planes - only fb_sec_dir is allowed during sec_crtc
* - fb_sec_dir is for secure camera preview and
* secure display use case
* - fb_sec is for secure video playback
* - fb_ns is for normal non secure use cases
*/
if (fb_ns || fb_sec) {
SDE_ERROR(
"crtc%d: invalid fb_modes Sec:%d, NS:%d, Sec_Dir:%d\n",
DRMID(crtc), fb_sec, fb_ns, fb_sec_dir);
return -EINVAL;
}
/*
* - only one blending stage is allowed in sec_crtc
* - validate if pipe is allowed for sec-ui updates
*/
for (i = 1; i < cnt; i++) {
if (!pstates[i].drm_pstate
|| !pstates[i].drm_pstate->plane) {
SDE_ERROR("crtc%d: invalid pstate at i:%d\n",
DRMID(crtc), i);
return -EINVAL;
}
plane = pstates[i].drm_pstate->plane;
if (!sde_plane_is_sec_ui_allowed(plane)) {
SDE_ERROR("crtc%d: sec-ui not allowed in p%d\n",
DRMID(crtc), plane->base.id);
return -EINVAL;
} else if (pstates[i].stage != pstates[i-1].stage) {
SDE_ERROR(
"crtc%d: invalid blend stages %d:%d, %d:%d\n",
DRMID(crtc), i, pstates[i].stage,
i-1, pstates[i-1].stage);
return -EINVAL;
}
}
/* check if all the dim_layers are in the same stage */
for (i = 1; i < cstate->num_dim_layers; i++) {
if (cstate->dim_layer[i].stage !=
cstate->dim_layer[i-1].stage) {
SDE_ERROR(
"crtc%d: invalid dimlayer stage %d:%d, %d:%d\n",
DRMID(crtc),
i, cstate->dim_layer[i].stage,
i-1, cstate->dim_layer[i-1].stage);
return -EINVAL;
}
}
/*
* if secure-ui supported blendstage is specified,
* - fail empty commit
* - validate dim_layer or plane is staged in the supported
* blendstage
*/
if (sde_kms->catalog->sui_supported_blendstage) {
int sec_stage = cnt ? pstates[0].sde_pstate->stage :
cstate->dim_layer[0].stage;
if (!test_bit(SDE_FEATURE_BASE_LAYER, sde_kms->catalog->features))
sec_stage -= SDE_STAGE_0;
if ((!cnt && !cstate->num_dim_layers) ||
(sde_kms->catalog->sui_supported_blendstage
!= sec_stage)) {
SDE_ERROR(
"crtc%d: empty cnt%d/dim%d or bad stage%d\n",
DRMID(crtc), cnt,
cstate->num_dim_layers, sec_stage);
return -EINVAL;
}
}
}
return 0;
}
static int _sde_crtc_check_secure_single_encoder(struct drm_crtc *crtc,
struct drm_crtc_state *state, int fb_sec_dir)
{
struct drm_encoder *encoder;
int encoder_cnt = 0;
if (fb_sec_dir) {
drm_for_each_encoder_mask(encoder, crtc->dev,
state->encoder_mask)
encoder_cnt++;
if (encoder_cnt > MAX_ALLOWED_ENCODER_CNT_PER_SECURE_CRTC) {
SDE_ERROR("crtc:%d invalid number of encoders:%d\n",
DRMID(crtc), encoder_cnt);
return -EINVAL;
}
}
return 0;
}
static int _sde_crtc_check_secure_state_smmu_translation(struct drm_crtc *crtc,
struct drm_crtc_state *state, struct sde_kms *sde_kms, int secure,
int fb_ns, int fb_sec, int fb_sec_dir)
{
struct sde_kms_smmu_state_data *smmu_state = &sde_kms->smmu_state;
struct drm_encoder *encoder;
int is_video_mode = false;
drm_for_each_encoder_mask(encoder, crtc->dev, state->encoder_mask) {
if (sde_encoder_is_dsi_display(encoder))
is_video_mode |= sde_encoder_check_curr_mode(encoder,
MSM_DISPLAY_VIDEO_MODE);
}
/*
* Secure display to secure camera needs without direct
* transition is currently not allowed
*/
if (fb_sec_dir && secure == SDE_DRM_SEC_NON_SEC &&
smmu_state->state != ATTACHED &&
smmu_state->secure_level == SDE_DRM_SEC_ONLY) {
SDE_EVT32(DRMID(crtc), fb_ns, fb_sec_dir,
smmu_state->state, smmu_state->secure_level,
secure);
goto sec_err;
}
/*
* In video mode check for null commit before transition
* from secure to non secure and vice versa
*/
if (is_video_mode && smmu_state &&
state->plane_mask && crtc->state->plane_mask &&
((fb_sec_dir && ((smmu_state->state == ATTACHED) &&
(secure == SDE_DRM_SEC_ONLY))) ||
(fb_ns && ((smmu_state->state == DETACHED) ||
(smmu_state->state == DETACH_ALL_REQ))) ||
(fb_ns && ((smmu_state->state == DETACHED_SEC) ||
(smmu_state->state == DETACH_SEC_REQ)) &&
(smmu_state->secure_level == SDE_DRM_SEC_ONLY)))) {
SDE_EVT32(DRMID(crtc), fb_ns, fb_sec_dir,
smmu_state->state, smmu_state->secure_level,
secure, crtc->state->plane_mask, state->plane_mask);
goto sec_err;
}
return 0;
sec_err:
SDE_ERROR(
"crtc%d Invalid transition;sec%d state%d slvl%d ns%d sdir%d\n",
DRMID(crtc), secure, smmu_state->state,
smmu_state->secure_level, fb_ns, fb_sec_dir);
return -EINVAL;
}
static int _sde_crtc_check_secure_conn(struct drm_crtc *crtc,
struct drm_crtc_state *state, uint32_t fb_sec)
{
bool conn_secure = false, is_wb = false;
struct drm_connector *conn;
struct drm_connector_state *conn_state;
int i;
for_each_new_connector_in_state(state->state, conn, conn_state, i) {
if (conn_state && conn_state->crtc == crtc) {
if (conn->connector_type ==
DRM_MODE_CONNECTOR_VIRTUAL)
is_wb = true;
if (sde_connector_get_property(conn_state,
CONNECTOR_PROP_FB_TRANSLATION_MODE) ==
SDE_DRM_FB_SEC)
conn_secure = true;
}
}
/*
* If any input buffers are secure for wb,
* the output buffer must also be secure.
*/
if (is_wb && fb_sec && !conn_secure) {
SDE_ERROR("crtc%d: input fb sec %d, output fb secure %d\n",
DRMID(crtc), fb_sec, conn_secure);
return -EINVAL;
}
return 0;
}
static int _sde_crtc_check_secure_state(struct drm_crtc *crtc,
struct drm_crtc_state *state, struct plane_state pstates[],
int cnt)
{
struct sde_crtc_state *cstate;
struct sde_kms *sde_kms;
uint32_t secure;
uint32_t fb_ns = 0, fb_sec = 0, fb_sec_dir = 0;
int rc;
if (!crtc || !state) {
SDE_ERROR("invalid arguments\n");
return -EINVAL;
}
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms || !sde_kms->catalog) {
SDE_ERROR("invalid kms\n");
return -EINVAL;
}
cstate = to_sde_crtc_state(state);
secure = sde_crtc_get_property(cstate, CRTC_PROP_SECURITY_LEVEL);
rc = sde_crtc_state_find_plane_fb_modes(state, &fb_ns,
&fb_sec, &fb_sec_dir);
if (rc)
return rc;
rc = _sde_crtc_check_secure_blend_config(crtc, state, pstates, cstate,
sde_kms, cnt, secure, fb_ns, fb_sec, fb_sec_dir);
if (rc)
return rc;
rc = _sde_crtc_check_secure_conn(crtc, state, fb_sec);
if (rc)
return rc;
/*
* secure_crtc is not allowed in a shared toppolgy
* across different encoders.
*/
rc = _sde_crtc_check_secure_single_encoder(crtc, state, fb_sec_dir);
if (rc)
return rc;
rc = _sde_crtc_check_secure_state_smmu_translation(crtc, state, sde_kms,
secure, fb_ns, fb_sec, fb_sec_dir);
if (rc)
return rc;
SDE_DEBUG("crtc:%d Secure validation successful\n", DRMID(crtc));
return 0;
}
static int _sde_crtc_check_get_pstates(struct drm_crtc *crtc,
struct drm_crtc_state *state,
struct drm_display_mode *mode,
struct plane_state *pstates,
struct drm_plane *plane,
struct sde_multirect_plane_states *multirect_plane,
int *cnt)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
const struct drm_plane_state *pstate;
const struct drm_plane_state *pipe_staged[SSPP_MAX];
int rc = 0, multirect_count = 0, i, crtc_width, crtc_height;
int inc_sde_stage = 0;
struct sde_kms *kms;
u32 blend_type;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid kms\n");
return -EINVAL;
}
memset(pipe_staged, 0, sizeof(pipe_staged));
sde_crtc_get_resolution(crtc, state, mode, &crtc_width, &crtc_height);
drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) {
if (IS_ERR_OR_NULL(pstate)) {
rc = PTR_ERR(pstate);
SDE_ERROR("%s: failed to get plane%d state, %d\n",
sde_crtc->name, plane->base.id, rc);
return rc;
}
if (*cnt >= SDE_PSTATES_MAX)
continue;
pstates[*cnt].sde_pstate = to_sde_plane_state(pstate);
pstates[*cnt].drm_pstate = pstate;
pstates[*cnt].stage = sde_plane_get_property(
pstates[*cnt].sde_pstate, PLANE_PROP_ZPOS);
pstates[*cnt].pipe_id = sde_plane_pipe(plane);
blend_type = sde_plane_get_property(pstates[*cnt].sde_pstate,
PLANE_PROP_BLEND_OP);
if (!test_bit(SDE_FEATURE_BASE_LAYER, kms->catalog->features))
inc_sde_stage = SDE_STAGE_0;
/* check dim layer stage with every plane */
for (i = 0; i < cstate->num_dim_layers; i++) {
if (cstate->dim_layer[i].stage ==
(pstates[*cnt].stage + inc_sde_stage)) {
SDE_ERROR(
"plane:%d/dim_layer:%i-same stage:%d\n",
plane->base.id, i,
cstate->dim_layer[i].stage);
return -EINVAL;
}
}
if (pipe_staged[pstates[*cnt].pipe_id]) {
multirect_plane[multirect_count].r0 =
pipe_staged[pstates[*cnt].pipe_id];
multirect_plane[multirect_count].r1 = pstate;
multirect_count++;
pipe_staged[pstates[*cnt].pipe_id] = NULL;
} else {
pipe_staged[pstates[*cnt].pipe_id] = pstate;
}
(*cnt)++;
/* for demura layers, validate against mode resolution */
if (blend_type == SDE_DRM_BLEND_OP_SKIP) {
if (CHECK_LAYER_BOUNDS(pstate->crtc_y, pstate->crtc_h, mode->vdisplay) ||
CHECK_LAYER_BOUNDS(pstate->crtc_x, pstate->crtc_w, mode->hdisplay)) {
SDE_ERROR("invalid dest - y:%d h:%d vdisp:%d x:%d w:%d hdisp:%d\n",
pstate->crtc_y, pstate->crtc_h, mode->vdisplay,
pstate->crtc_x, pstate->crtc_w, mode->hdisplay);
return -E2BIG;
}
} else if (CHECK_LAYER_BOUNDS(pstate->crtc_y, pstate->crtc_h, crtc_height) ||
CHECK_LAYER_BOUNDS(pstate->crtc_x, pstate->crtc_w, crtc_width)) {
SDE_ERROR("invalid dest - y:%d h:%d crtc_h:%d x:%d w:%d crtc_w:%d\n",
pstate->crtc_y, pstate->crtc_h, crtc_height,
pstate->crtc_x, pstate->crtc_w, crtc_width);
return -E2BIG;
}
}
for (i = 1; i < SSPP_MAX; i++) {
if (pipe_staged[i]) {
sde_plane_clear_multirect(pipe_staged[i]);
if (is_sde_plane_virtual(pipe_staged[i]->plane)) {
struct sde_plane_state *psde_state;
SDE_DEBUG("r1 only virt plane:%d staged\n",
pipe_staged[i]->plane->base.id);
psde_state = to_sde_plane_state(
pipe_staged[i]);
psde_state->multirect_index = SDE_SSPP_RECT_1;
}
}
}
for (i = 0; i < multirect_count; i++) {
if (sde_plane_validate_multirect_v2(&multirect_plane[i])) {
SDE_ERROR(
"multirect validation failed for planes (%d - %d)\n",
multirect_plane[i].r0->plane->base.id,
multirect_plane[i].r1->plane->base.id);
return -EINVAL;
}
}
return rc;
}
static int _sde_crtc_noise_layer_check_zpos(struct sde_crtc_state *cstate,
u32 zpos) {
if (!test_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty) ||
!cstate->noise_layer_en) {
SDE_DEBUG("noise layer not enabled %d\n", cstate->noise_layer_en);
return 0;
}
if (cstate->layer_cfg.zposn == zpos ||
cstate->layer_cfg.zposattn == zpos) {
SDE_ERROR("invalid zpos %d zposn %d zposattn %d\n", zpos,
cstate->layer_cfg.zposn, cstate->layer_cfg.zposattn);
return -EINVAL;
}
return 0;
}
static int _sde_crtc_check_zpos(struct drm_crtc_state *state,
struct sde_crtc *sde_crtc,
struct plane_state *pstates,
struct sde_crtc_state *cstate,
struct drm_display_mode *mode,
int cnt)
{
int rc = 0, i, z_pos;
u32 zpos_cnt = 0;
struct drm_crtc *crtc;
struct sde_kms *kms;
enum sde_layout layout;
crtc = &sde_crtc->base;
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("Invalid kms\n");
return -EINVAL;
}
sort(pstates, cnt, sizeof(pstates[0]), pstate_cmp, NULL);
rc = _sde_crtc_excl_dim_layer_check(crtc, state, pstates, cnt);
if (rc)
return rc;
if (!sde_is_custom_client()) {
int stage_old = pstates[0].stage;
z_pos = 0;
for (i = 0; i < cnt; i++) {
if (stage_old != pstates[i].stage)
++z_pos;
stage_old = pstates[i].stage;
pstates[i].stage = z_pos;
}
}
z_pos = -1;
layout = SDE_LAYOUT_NONE;
for (i = 0; i < cnt; i++) {
/* reset counts at every new blend stage */
if (pstates[i].stage != z_pos ||
pstates[i].sde_pstate->layout != layout) {
zpos_cnt = 0;
z_pos = pstates[i].stage;
layout = pstates[i].sde_pstate->layout;
}
/* verify z_pos setting before using it */
if (z_pos >= SDE_STAGE_MAX - SDE_STAGE_0) {
SDE_ERROR("> %d plane stages assigned\n",
SDE_STAGE_MAX - SDE_STAGE_0);
return -EINVAL;
} else if (zpos_cnt == 2) {
SDE_ERROR("> 2 planes @ stage %d\n", z_pos);
return -EINVAL;
} else {
zpos_cnt++;
}
rc = _sde_crtc_noise_layer_check_zpos(cstate, z_pos);
if (rc)
break;
if (!test_bit(SDE_FEATURE_BASE_LAYER, kms->catalog->features))
pstates[i].sde_pstate->stage = z_pos + SDE_STAGE_0;
else
pstates[i].sde_pstate->stage = z_pos;
SDE_DEBUG("%s: layout %d, zpos %d", sde_crtc->name, layout,
z_pos);
}
return rc;
}
static int _sde_crtc_atomic_check_pstates(struct drm_crtc *crtc,
struct drm_crtc_state *state,
struct plane_state *pstates,
struct sde_multirect_plane_states *multirect_plane)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct sde_kms *kms;
struct drm_plane *plane = NULL;
struct drm_display_mode *mode;
int rc = 0, cnt = 0;
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid parameters\n");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
mode = &state->adjusted_mode;
/* get plane state for all drm planes associated with crtc state */
rc = _sde_crtc_check_get_pstates(crtc, state, mode, pstates,
plane, multirect_plane, &cnt);
if (rc)
return rc;
/* assign mixer stages based on sorted zpos property */
rc = _sde_crtc_check_zpos(state, sde_crtc, pstates, cstate, mode, cnt);
if (rc)
return rc;
rc = _sde_crtc_check_secure_state(crtc, state, pstates, cnt);
if (rc)
return rc;
/*
* validate and set source split:
* use pstates sorted by stage to check planes on same stage
* we assume that all pipes are in source split so its valid to compare
* without taking into account left/right mixer placement
*/
rc = _sde_crtc_validate_src_split_order(crtc, pstates, cnt);
if (rc)
return rc;
return 0;
}
static int _sde_crtc_check_plane_layout(struct drm_crtc *crtc,
struct drm_crtc_state *crtc_state)
{
struct sde_kms *kms;
struct drm_plane *plane;
struct drm_plane_state *plane_state;
struct sde_plane_state *pstate;
struct drm_display_mode *mode;
int layout_split;
u32 crtc_width, crtc_height;
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid parameters\n");
return -EINVAL;
}
if (!sde_rm_topology_is_group(&kms->rm, crtc_state,
SDE_RM_TOPOLOGY_GROUP_QUADPIPE))
return 0;
mode = &crtc->state->adjusted_mode;
sde_crtc_get_resolution(crtc, crtc_state, mode, &crtc_width, &crtc_height);
drm_atomic_crtc_state_for_each_plane(plane, crtc_state) {
plane_state = drm_atomic_get_existing_plane_state(
crtc_state->state, plane);
if (!plane_state)
continue;
pstate = to_sde_plane_state(plane_state);
layout_split = crtc_width >> 1;
if (plane_state->crtc_x >= layout_split) {
plane_state->crtc_x -= layout_split;
pstate->layout_offset = layout_split;
pstate->layout = SDE_LAYOUT_RIGHT;
} else {
pstate->layout_offset = -1;
pstate->layout = SDE_LAYOUT_LEFT;
}
SDE_DEBUG("plane%d updated: crtc_x=%d layout=%d\n",
DRMID(plane), plane_state->crtc_x,
pstate->layout);
/* check layout boundary */
if (CHECK_LAYER_BOUNDS(plane_state->crtc_x,
plane_state->crtc_w, layout_split)) {
SDE_ERROR("invalid horizontal destination\n");
SDE_ERROR("x:%d w:%d hdisp:%d layout:%d\n",
plane_state->crtc_x,
plane_state->crtc_w,
layout_split, pstate->layout);
return -E2BIG;
}
}
return 0;
}
static int _sde_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct drm_device *dev;
struct sde_crtc *sde_crtc;
struct plane_state *pstates = NULL;
struct sde_crtc_state *cstate;
struct drm_display_mode *mode;
int rc = 0;
struct sde_multirect_plane_states *multirect_plane = NULL;
struct drm_connector *conn;
struct drm_connector_list_iter conn_iter;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return -EINVAL;
}
dev = crtc->dev;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
if (!state->enable || !state->active) {
SDE_DEBUG("crtc%d -> enable %d, active %d, skip atomic_check\n",
crtc->base.id, state->enable, state->active);
goto end;
}
pstates = kcalloc(SDE_PSTATES_MAX,
sizeof(struct plane_state), GFP_KERNEL);
multirect_plane = kcalloc(SDE_MULTIRECT_PLANE_MAX,
sizeof(struct sde_multirect_plane_states),
GFP_KERNEL);
if (!pstates || !multirect_plane) {
rc = -ENOMEM;
goto end;
}
mode = &state->adjusted_mode;
SDE_DEBUG("%s: check", sde_crtc->name);
/* force a full mode set if active state changed */
if (state->active_changed)
state->mode_changed = true;
/* identify connectors attached to this crtc */
cstate->num_connectors = 0;
drm_connector_list_iter_begin(dev, &conn_iter);
drm_for_each_connector_iter(conn, &conn_iter)
if ((state->connector_mask & (1 << drm_connector_index(conn)))
&& cstate->num_connectors < MAX_CONNECTORS) {
cstate->connectors[cstate->num_connectors++] = conn;
}
drm_connector_list_iter_end(&conn_iter);
rc = _sde_crtc_check_dest_scaler_data(crtc, state);
if (rc) {
SDE_ERROR("crtc%d failed dest scaler check %d\n",
crtc->base.id, rc);
goto end;
}
rc = _sde_crtc_check_plane_layout(crtc, state);
if (rc) {
SDE_ERROR("crtc%d failed plane layout check %d\n",
crtc->base.id, rc);
goto end;
}
_sde_crtc_setup_is_ppsplit(state);
_sde_crtc_setup_lm_bounds(crtc, state);
rc = _sde_crtc_atomic_check_pstates(crtc, state, pstates,
multirect_plane);
if (rc) {
SDE_ERROR("crtc%d failed pstate check %d\n", crtc->base.id, rc);
goto end;
}
rc = sde_core_perf_crtc_check(crtc, state);
if (rc) {
SDE_ERROR("crtc%d failed performance check %d\n",
crtc->base.id, rc);
goto end;
}
rc = _sde_crtc_check_rois(crtc, state);
if (rc) {
SDE_ERROR("crtc%d failed roi check %d\n", crtc->base.id, rc);
goto end;
}
rc = sde_cp_crtc_check_properties(crtc, state);
if (rc) {
SDE_ERROR("crtc%d failed cp properties check %d\n",
crtc->base.id, rc);
goto end;
}
rc = _sde_crtc_check_panel_stacking(crtc, state);
if (rc) {
SDE_ERROR("crtc%d failed panel stacking check %d\n",
crtc->base.id, rc);
goto end;
}
end:
kfree(pstates);
kfree(multirect_plane);
return rc;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0))
static int sde_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_atomic_state *atomic_state)
{
struct drm_crtc_state *state = NULL;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return -EINVAL;
}
state = drm_atomic_get_new_crtc_state(atomic_state, crtc);
return _sde_crtc_atomic_check(crtc, state);
}
#else
static int sde_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return -EINVAL;
}
return _sde_crtc_atomic_check(crtc, state);
}
#endif
/**
* sde_crtc_get_num_datapath - get the number of layermixers active
* on primary connector
* @crtc: Pointer to DRM crtc object
* @virtual_conn: Pointer to DRM connector object of WB in CWB case
* @crtc_state: Pointer to DRM crtc state
*/
int sde_crtc_get_num_datapath(struct drm_crtc *crtc,
struct drm_connector *virtual_conn, struct drm_crtc_state *crtc_state)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct drm_connector *conn, *primary_conn = NULL;
struct sde_connector_state *sde_conn_state = NULL;
struct drm_connector_list_iter conn_iter;
int num_lm = 0;
if (!sde_crtc || !virtual_conn || !crtc_state) {
SDE_DEBUG("Invalid argument\n");
return 0;
}
/* return num_mixers used for primary when available in sde_crtc */
if (sde_crtc->num_mixers)
return sde_crtc->num_mixers;
drm_connector_list_iter_begin(crtc->dev, &conn_iter);
drm_for_each_connector_iter(conn, &conn_iter) {
if ((drm_connector_mask(conn) & crtc_state->connector_mask)
&& conn != virtual_conn) {
sde_conn_state = to_sde_connector_state(conn->state);
primary_conn = conn;
break;
}
}
drm_connector_list_iter_end(&conn_iter);
/* if primary sde_conn_state has mode info available, return num_lm from here */
if (sde_conn_state)
num_lm = sde_conn_state->mode_info.topology.num_lm;
/* if PM resume occurs with CWB enabled, retrieve num_lm from primary dsi panel mode */
if (primary_conn && !num_lm) {
num_lm = sde_connector_get_lm_cnt_from_topology(primary_conn,
&crtc_state->adjusted_mode);
if (num_lm < 0) {
SDE_DEBUG("lm cnt fail for conn:%d num_lm:%d\n",
primary_conn->base.id, num_lm);
num_lm = 0;
}
}
return num_lm;
}
int sde_crtc_vblank(struct drm_crtc *crtc, bool en)
{
struct sde_crtc *sde_crtc;
int ret;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
ret = _sde_crtc_vblank_enable(sde_crtc, en);
if (ret)
SDE_ERROR("%s vblank enable failed: %d\n",
sde_crtc->name, ret);
return 0;
}
static u32 sde_crtc_get_vblank_counter(struct drm_crtc *crtc)
{
struct drm_encoder *encoder;
struct sde_crtc *sde_crtc;
bool is_built_in;
u32 vblank_cnt;
if (!crtc)
return 0;
sde_crtc = to_sde_crtc(crtc);
drm_for_each_encoder_mask(encoder, crtc->dev, sde_crtc->cached_encoder_mask) {
if (sde_encoder_in_clone_mode(encoder))
continue;
is_built_in = sde_encoder_is_built_in_display(encoder);
vblank_cnt = sde_encoder_get_frame_count(encoder);
SDE_DEBUG("crtc:%d enc:%d is_built_in:%d vblank_cnt:%d\n",
DRMID(crtc), DRMID(encoder), is_built_in, vblank_cnt);
return vblank_cnt;
}
return 0;
}
static bool sde_crtc_get_vblank_timestamp(struct drm_crtc *crtc, int *max_error,
ktime_t *tvblank, bool in_vblank_irq)
{
struct drm_encoder *encoder;
struct sde_crtc *sde_crtc;
if (!crtc)
return false;
sde_crtc = to_sde_crtc(crtc);
drm_for_each_encoder_mask(encoder, crtc->dev, sde_crtc->cached_encoder_mask) {
if (sde_encoder_in_clone_mode(encoder))
continue;
return sde_encoder_get_vblank_timestamp(encoder, tvblank);
}
return false;
}
static void sde_crtc_install_dest_scale_properties(struct sde_crtc *sde_crtc,
struct sde_mdss_cfg *catalog, struct sde_kms_info *info)
{
sde_kms_info_add_keyint(info, "has_dest_scaler",
catalog->mdp[0].has_dest_scaler);
sde_kms_info_add_keyint(info, "dest_scaler_count",
catalog->ds_count);
if (catalog->ds[0].top) {
sde_kms_info_add_keyint(info,
"max_dest_scaler_input_width",
catalog->ds[0].top->maxinputwidth);
sde_kms_info_add_keyint(info,
"max_dest_scaler_output_width",
catalog->ds[0].top->maxoutputwidth);
sde_kms_info_add_keyint(info, "max_dest_scale_up",
catalog->ds[0].top->maxupscale);
}
if (catalog->ds[0].features & BIT(SDE_SSPP_SCALER_QSEED3)) {
msm_property_install_volatile_range(
&sde_crtc->property_info, "dest_scaler",
0x0, 0, ~0, 0, CRTC_PROP_DEST_SCALER);
msm_property_install_blob(&sde_crtc->property_info,
"ds_lut_ed", 0,
CRTC_PROP_DEST_SCALER_LUT_ED);
msm_property_install_blob(&sde_crtc->property_info,
"ds_lut_cir", 0,
CRTC_PROP_DEST_SCALER_LUT_CIR);
msm_property_install_blob(&sde_crtc->property_info,
"ds_lut_sep", 0,
CRTC_PROP_DEST_SCALER_LUT_SEP);
} else if (catalog->ds[0].features
& BIT(SDE_SSPP_SCALER_QSEED3LITE)) {
msm_property_install_volatile_range(
&sde_crtc->property_info, "dest_scaler",
0x0, 0, ~0, 0, CRTC_PROP_DEST_SCALER);
}
}
static void sde_crtc_install_perf_properties(struct sde_crtc *sde_crtc,
struct sde_kms *sde_kms, struct sde_mdss_cfg *catalog,
struct sde_kms_info *info)
{
msm_property_install_range(&sde_crtc->property_info,
"core_clk", 0x0, 0, U64_MAX,
sde_kms->perf.max_core_clk_rate,
CRTC_PROP_CORE_CLK);
msm_property_install_range(&sde_crtc->property_info,
"core_ab", 0x0, 0, U64_MAX,
catalog->perf.max_bw_high * 1000ULL,
CRTC_PROP_CORE_AB);
msm_property_install_range(&sde_crtc->property_info,
"core_ib", 0x0, 0, U64_MAX,
catalog->perf.max_bw_high * 1000ULL,
CRTC_PROP_CORE_IB);
msm_property_install_range(&sde_crtc->property_info,
"llcc_ab", 0x0, 0, U64_MAX,
catalog->perf.max_bw_high * 1000ULL,
CRTC_PROP_LLCC_AB);
msm_property_install_range(&sde_crtc->property_info,
"llcc_ib", 0x0, 0, U64_MAX,
catalog->perf.max_bw_high * 1000ULL,
CRTC_PROP_LLCC_IB);
msm_property_install_range(&sde_crtc->property_info,
"dram_ab", 0x0, 0, U64_MAX,
catalog->perf.max_bw_high * 1000ULL,
CRTC_PROP_DRAM_AB);
msm_property_install_range(&sde_crtc->property_info,
"dram_ib", 0x0, 0, U64_MAX,
catalog->perf.max_bw_high * 1000ULL,
CRTC_PROP_DRAM_IB);
msm_property_install_range(&sde_crtc->property_info,
"rot_prefill_bw", 0, 0, U64_MAX,
catalog->perf.max_bw_high * 1000ULL,
CRTC_PROP_ROT_PREFILL_BW);
msm_property_install_range(&sde_crtc->property_info,
"rot_clk", 0, 0, U64_MAX,
sde_kms->perf.max_core_clk_rate,
CRTC_PROP_ROT_CLK);
if (catalog->perf.max_bw_low)
sde_kms_info_add_keyint(info, "max_bandwidth_low",
catalog->perf.max_bw_low * 1000LL);
if (catalog->perf.max_bw_high)
sde_kms_info_add_keyint(info, "max_bandwidth_high",
catalog->perf.max_bw_high * 1000LL);
if (catalog->perf.min_core_ib)
sde_kms_info_add_keyint(info, "min_core_ib",
catalog->perf.min_core_ib * 1000LL);
if (catalog->perf.min_llcc_ib)
sde_kms_info_add_keyint(info, "min_llcc_ib",
catalog->perf.min_llcc_ib * 1000LL);
if (catalog->perf.min_dram_ib)
sde_kms_info_add_keyint(info, "min_dram_ib",
catalog->perf.min_dram_ib * 1000LL);
if (sde_kms->perf.max_core_clk_rate)
sde_kms_info_add_keyint(info, "max_mdp_clk",
sde_kms->perf.max_core_clk_rate);
}
static void sde_crtc_setup_capabilities_blob(struct sde_kms_info *info,
struct sde_mdss_cfg *catalog)
{
enum sde_ddr_type ddr_type;
sde_kms_info_reset(info);
sde_kms_info_add_keyint(info, "hw_version", catalog->hw_rev);
sde_kms_info_add_keyint(info, "max_linewidth",
catalog->max_mixer_width);
sde_kms_info_add_keyint(info, "max_blendstages",
catalog->max_mixer_blendstages);
if (catalog->qseed_sw_lib_rev == SDE_SSPP_SCALER_QSEED2)
sde_kms_info_add_keystr(info, "qseed_type", "qseed2");
if (catalog->qseed_sw_lib_rev == SDE_SSPP_SCALER_QSEED3)
sde_kms_info_add_keystr(info, "qseed_type", "qseed3");
if (catalog->qseed_sw_lib_rev == SDE_SSPP_SCALER_QSEED3LITE)
sde_kms_info_add_keystr(info, "qseed_type", "qseed3lite");
if (catalog->ubwc_rev) {
sde_kms_info_add_keyint(info, "UBWC version", catalog->ubwc_rev);
sde_kms_info_add_keyint(info, "UBWC macrotile_mode",
catalog->macrotile_mode);
sde_kms_info_add_keyint(info, "UBWC highest banking bit",
catalog->mdp[0].highest_bank_bit);
sde_kms_info_add_keyint(info, "UBWC swizzle",
catalog->mdp[0].ubwc_swizzle);
}
ddr_type = of_fdt_get_ddrtype();
switch (ddr_type) {
case LP_DDR4:
sde_kms_info_add_keystr(info, "DDR version", "DDR4");
break;
case LP_DDR5:
sde_kms_info_add_keystr(info, "DDR version", "DDR5");
break;
case LP_DDR5X:
sde_kms_info_add_keystr(info, "DDR version", "DDR5X");
break;
default:
SDE_INFO("ddr type : 0x%x not in list\n", ddr_type);
break;
}
if (sde_is_custom_client()) {
/* No support for SMART_DMA_V1 yet */
if (catalog->smart_dma_rev == SDE_SSPP_SMART_DMA_V2)
sde_kms_info_add_keystr(info,
"smart_dma_rev", "smart_dma_v2");
else if (catalog->smart_dma_rev == SDE_SSPP_SMART_DMA_V2p5)
sde_kms_info_add_keystr(info,
"smart_dma_rev", "smart_dma_v2p5");
}
sde_kms_info_add_keyint(info, "has_src_split", test_bit(SDE_FEATURE_SRC_SPLIT,
catalog->features));
sde_kms_info_add_keyint(info, "has_hdr", test_bit(SDE_FEATURE_HDR, catalog->features));
sde_kms_info_add_keyint(info, "has_hdr_plus", test_bit(SDE_FEATURE_HDR_PLUS,
catalog->features));
sde_kms_info_add_keyint(info, "skip_inline_rot_threshold",
test_bit(SDE_FEATURE_INLINE_SKIP_THRESHOLD, catalog->features));
if (catalog->allowed_dsc_reservation_switch)
sde_kms_info_add_keyint(info, "allowed_dsc_reservation_switch",
catalog->allowed_dsc_reservation_switch);
if (catalog->uidle_cfg.uidle_rev)
sde_kms_info_add_keyint(info, "has_uidle",
true);
sde_kms_info_add_keystr(info, "core_ib_ff",
catalog->perf.core_ib_ff);
sde_kms_info_add_keystr(info, "core_clk_ff",
catalog->perf.core_clk_ff);
sde_kms_info_add_keystr(info, "comp_ratio_rt",
catalog->perf.comp_ratio_rt);
sde_kms_info_add_keystr(info, "comp_ratio_nrt",
catalog->perf.comp_ratio_nrt);
sde_kms_info_add_keyint(info, "dest_scale_prefill_lines",
catalog->perf.dest_scale_prefill_lines);
sde_kms_info_add_keyint(info, "undersized_prefill_lines",
catalog->perf.undersized_prefill_lines);
sde_kms_info_add_keyint(info, "macrotile_prefill_lines",
catalog->perf.macrotile_prefill_lines);
sde_kms_info_add_keyint(info, "yuv_nv12_prefill_lines",
catalog->perf.yuv_nv12_prefill_lines);
sde_kms_info_add_keyint(info, "linear_prefill_lines",
catalog->perf.linear_prefill_lines);
sde_kms_info_add_keyint(info, "downscaling_prefill_lines",
catalog->perf.downscaling_prefill_lines);
sde_kms_info_add_keyint(info, "xtra_prefill_lines",
catalog->perf.xtra_prefill_lines);
sde_kms_info_add_keyint(info, "amortizable_threshold",
catalog->perf.amortizable_threshold);
sde_kms_info_add_keyint(info, "min_prefill_lines",
catalog->perf.min_prefill_lines);
sde_kms_info_add_keyint(info, "num_mnoc_ports",
catalog->perf.num_mnoc_ports);
sde_kms_info_add_keyint(info, "axi_bus_width",
catalog->perf.axi_bus_width);
sde_kms_info_add_keyint(info, "sec_ui_blendstage",
catalog->sui_supported_blendstage);
if (catalog->ubwc_bw_calc_rev)
sde_kms_info_add_keyint(info, "ubwc_bw_calc_ver", catalog->ubwc_bw_calc_rev);
}
/**
* sde_crtc_install_properties - install all drm properties for crtc
* @crtc: Pointer to drm crtc structure
*/
static void sde_crtc_install_properties(struct drm_crtc *crtc,
struct sde_mdss_cfg *catalog)
{
struct sde_crtc *sde_crtc;
struct sde_kms_info *info;
struct sde_kms *sde_kms;
static const struct drm_prop_enum_list e_secure_level[] = {
{SDE_DRM_SEC_NON_SEC, "sec_and_non_sec"},
{SDE_DRM_SEC_ONLY, "sec_only"},
};
static const struct drm_prop_enum_list e_fence_error_handle_flag[] = {
{FENCE_ERROR_HANDLE_DISABLE, "fence_error_handle_disable"},
{FENCE_ERROR_HANDLE_ENABLE, "fence_error_handle_enable"},
};
static const struct drm_prop_enum_list e_cwb_data_points[] = {
{CAPTURE_MIXER_OUT, "capture_mixer_out"},
{CAPTURE_DSPP_OUT, "capture_pp_out"},
};
static const struct drm_prop_enum_list e_dcwb_data_points[] = {
{CAPTURE_MIXER_OUT, "capture_mixer_out"},
{CAPTURE_DSPP_OUT, "capture_pp_out"},
{CAPTURE_DEMURA_OUT, "capture_demura_out"},
};
static const struct drm_prop_enum_list e_idle_pc_state[] = {
{IDLE_PC_NONE, "idle_pc_none"},
{IDLE_PC_ENABLE, "idle_pc_enable"},
{IDLE_PC_DISABLE, "idle_pc_disable"},
};
static const struct drm_prop_enum_list e_cache_state[] = {
{CACHE_STATE_DISABLED, "cache_state_disabled"},
{CACHE_STATE_ENABLED, "cache_state_enabled"},
};
static const struct drm_prop_enum_list e_vm_req_state[] = {
{VM_REQ_NONE, "vm_req_none"},
{VM_REQ_RELEASE, "vm_req_release"},
{VM_REQ_ACQUIRE, "vm_req_acquire"},
};
SDE_DEBUG("\n");
if (!crtc || !catalog) {
SDE_ERROR("invalid crtc or catalog\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms) {
SDE_ERROR("invalid argument\n");
return;
}
info = vzalloc(sizeof(struct sde_kms_info));
if (!info) {
SDE_ERROR("failed to allocate info memory\n");
return;
}
sde_crtc_setup_capabilities_blob(info, catalog);
msm_property_install_range(&sde_crtc->property_info,
"input_fence_timeout", 0x0, 0,
SDE_CRTC_MAX_INPUT_FENCE_TIMEOUT, SDE_CRTC_INPUT_FENCE_TIMEOUT,
CRTC_PROP_INPUT_FENCE_TIMEOUT);
msm_property_install_volatile_range(&sde_crtc->property_info,
"output_fence", 0x0, 0, ~0, 0, CRTC_PROP_OUTPUT_FENCE);
msm_property_install_range(&sde_crtc->property_info,
"output_fence_offset", 0x0, 0, 1, 0,
CRTC_PROP_OUTPUT_FENCE_OFFSET);
sde_crtc_install_perf_properties(sde_crtc, sde_kms, catalog, info);
if (test_bit(SDE_FEATURE_TRUSTED_VM, catalog->features)) {
int init_idx = sde_in_trusted_vm(sde_kms) ? 1 : 0;
msm_property_install_enum(&sde_crtc->property_info,
"vm_request_state", 0x0, 0, e_vm_req_state,
ARRAY_SIZE(e_vm_req_state), init_idx,
CRTC_PROP_VM_REQ_STATE);
}
if (test_bit(SDE_FEATURE_IDLE_PC, catalog->features))
msm_property_install_enum(&sde_crtc->property_info,
"idle_pc_state", 0x0, 0, e_idle_pc_state,
ARRAY_SIZE(e_idle_pc_state), 0,
CRTC_PROP_IDLE_PC_STATE);
if (test_bit(SDE_FEATURE_DEDICATED_CWB, catalog->features))
msm_property_install_enum(&sde_crtc->property_info,
"capture_mode", 0, 0, e_dcwb_data_points,
ARRAY_SIZE(e_dcwb_data_points), 0,
CRTC_PROP_CAPTURE_OUTPUT);
else if (test_bit(SDE_FEATURE_CWB, catalog->features))
msm_property_install_enum(&sde_crtc->property_info,
"capture_mode", 0, 0, e_cwb_data_points,
ARRAY_SIZE(e_cwb_data_points), 0,
CRTC_PROP_CAPTURE_OUTPUT);
msm_property_install_enum(&sde_crtc->property_info,
"fence_error_handle_flag", 0, 0, e_fence_error_handle_flag,
ARRAY_SIZE(e_fence_error_handle_flag), 0,
CRTC_PROP_HANDLE_FENCE_ERROR);
msm_property_install_volatile_range(&sde_crtc->property_info,
"sde_drm_roi_v1", 0x0, 0, ~0, 0, CRTC_PROP_ROI_V1);
msm_property_install_enum(&sde_crtc->property_info, "security_level",
0x0, 0, e_secure_level,
ARRAY_SIZE(e_secure_level), 0,
CRTC_PROP_SECURITY_LEVEL);
if (test_bit(SDE_SYS_CACHE_DISP, catalog->sde_sys_cache_type_map))
msm_property_install_enum(&sde_crtc->property_info, "cache_state",
0x0, 0, e_cache_state,
ARRAY_SIZE(e_cache_state), 0,
CRTC_PROP_CACHE_STATE);
if (test_bit(SDE_FEATURE_DIM_LAYER, catalog->features)) {
msm_property_install_volatile_range(&sde_crtc->property_info,
"dim_layer_v1", 0x0, 0, ~0, 0, CRTC_PROP_DIM_LAYER_V1);
sde_kms_info_add_keyint(info, "dim_layer_v1_max_layers",
SDE_MAX_DIM_LAYERS);
}
if (catalog->mdp[0].has_dest_scaler)
sde_crtc_install_dest_scale_properties(sde_crtc, catalog,
info);
if (catalog->dspp_count) {
sde_kms_info_add_keyint(info, "dspp_count",
catalog->dspp_count);
if (catalog->rc_count) {
sde_kms_info_add_keyint(info, "rc_count", catalog->rc_count);
sde_kms_info_add_keyint(info, "rc_mem_size",
catalog->dspp[0].sblk->rc.mem_total_size);
}
if (catalog->demura_count)
sde_kms_info_add_keyint(info, "demura_count",
catalog->demura_count);
}
sde_kms_info_add_keyint(info, "dsc_block_count", catalog->dsc_count);
msm_property_install_blob(&sde_crtc->property_info, "capabilities",
DRM_MODE_PROP_IMMUTABLE, CRTC_PROP_INFO);
sde_kms_info_add_keyint(info, "use_baselayer_for_stage",
test_bit(SDE_FEATURE_BASE_LAYER, catalog->features));
msm_property_set_blob(&sde_crtc->property_info, &sde_crtc->blob_info,
info->data, SDE_KMS_INFO_DATALEN(info),
CRTC_PROP_INFO);
sde_crtc_install_noise_layer_properties(sde_crtc, catalog, info);
if (test_bit(SDE_FEATURE_UBWC_STATS, catalog->features))
msm_property_install_range(&sde_crtc->property_info, "frame_data",
0x0, 0, ~0, 0, CRTC_PROP_FRAME_DATA_BUF);
vfree(info);
}
static bool _is_crtc_intf_mode_wb(struct drm_crtc *crtc)
{
enum sde_intf_mode intf_mode = sde_crtc_get_intf_mode(crtc, crtc->state);
if ((intf_mode != INTF_MODE_WB_BLOCK) && (intf_mode != INTF_MODE_WB_LINE))
return false;
return true;
}
static int _sde_crtc_get_output_fence(struct drm_crtc *crtc,
const struct drm_crtc_state *state, uint64_t *val)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
uint32_t offset;
bool is_vid = false;
bool is_wb = false;
struct drm_encoder *encoder;
struct sde_hw_ctl *hw_ctl = NULL;
static u32 count;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
drm_for_each_encoder_mask(encoder, crtc->dev, state->encoder_mask) {
if (sde_encoder_check_curr_mode(encoder, MSM_DISPLAY_VIDEO_MODE))
is_vid = true;
else if (_is_crtc_intf_mode_wb(crtc))
is_wb = true;
if (is_vid || is_wb)
break;
}
/*
* If hw-fence is enabled, find hw_ctl and pass it to sde_fence_create, this will attempt
* to create a hw-fence for this ctl, whereas if hw_ctl is not passed to sde_fence, this
* won't use hw-fences for this output-fence.
*/
if (!is_wb && test_bit(HW_FENCE_OUT_FENCES_ENABLE, sde_crtc->hwfence_features_mask) &&
(count++ % sde_crtc->hwfence_out_fences_skip))
hw_ctl = _sde_crtc_get_hw_ctl(crtc);
offset = sde_crtc_get_property(cstate, CRTC_PROP_OUTPUT_FENCE_OFFSET);
/*
* Increment trigger offset for vidoe mode alone as its release fence
* can be triggered only after the next frame-update. For cmd mode &
* virtual displays the release fence for the current frame can be
* triggered right after PP_DONE/WB_DONE interrupt
*/
if (is_vid)
offset++;
/*
* Hwcomposer now queries the fences using the commit list in atomic
* commit ioctl. The offset should be set to next timeline
* which will be incremented during the prepare commit phase
*/
offset++;
return sde_fence_create(sde_crtc->output_fence, val, offset, hw_ctl);
}
/**
* sde_crtc_atomic_set_property - atomically set a crtc drm property
* @crtc: Pointer to drm crtc structure
* @state: Pointer to drm crtc state structure
* @property: Pointer to targeted drm property
* @val: Updated property value
* @Returns: Zero on success
*/
static int sde_crtc_atomic_set_property(struct drm_crtc *crtc,
struct drm_crtc_state *state,
struct drm_property *property,
uint64_t val)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
int idx, ret;
uint64_t fence_user_fd;
uint64_t __user prev_user_fd;
if (!crtc || !state || !property) {
SDE_ERROR("invalid argument(s)\n");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
SDE_ATRACE_BEGIN("sde_crtc_atomic_set_property");
/* check with cp property system first */
ret = sde_cp_crtc_set_property(crtc, state, property, val);
if (ret != -ENOENT)
goto exit;
/* if not handled by cp, check msm_property system */
ret = msm_property_atomic_set(&sde_crtc->property_info,
&cstate->property_state, property, val);
if (ret)
goto exit;
idx = msm_property_index(&sde_crtc->property_info, property);
switch (idx) {
case CRTC_PROP_INPUT_FENCE_TIMEOUT:
_sde_crtc_set_input_fence_timeout(cstate);
break;
case CRTC_PROP_DIM_LAYER_V1:
_sde_crtc_set_dim_layer_v1(crtc, cstate,
(void __user *)(uintptr_t)val);
break;
case CRTC_PROP_ROI_V1:
ret = _sde_crtc_set_roi_v1(state,
(void __user *)(uintptr_t)val);
break;
case CRTC_PROP_DEST_SCALER:
ret = _sde_crtc_set_dest_scaler(sde_crtc, cstate,
(void __user *)(uintptr_t)val);
break;
case CRTC_PROP_DEST_SCALER_LUT_ED:
case CRTC_PROP_DEST_SCALER_LUT_CIR:
case CRTC_PROP_DEST_SCALER_LUT_SEP:
ret = _sde_crtc_set_dest_scaler_lut(sde_crtc, cstate, idx);
break;
case CRTC_PROP_CORE_CLK:
case CRTC_PROP_CORE_AB:
case CRTC_PROP_CORE_IB:
cstate->bw_control = true;
break;
case CRTC_PROP_LLCC_AB:
case CRTC_PROP_LLCC_IB:
case CRTC_PROP_DRAM_AB:
case CRTC_PROP_DRAM_IB:
cstate->bw_control = true;
cstate->bw_split_vote = true;
break;
case CRTC_PROP_OUTPUT_FENCE:
if (!val)
goto exit;
ret = copy_from_user(&prev_user_fd, (void __user *)val,
sizeof(uint64_t));
if (ret) {
SDE_ERROR("copy from user failed rc:%d\n", ret);
ret = -EFAULT;
goto exit;
}
/*
* client is expected to reset the property to -1 before
* requesting for the release fence
*/
if (prev_user_fd == -1) {
ret = _sde_crtc_get_output_fence(crtc, state,
&fence_user_fd);
if (ret) {
SDE_ERROR("fence create failed rc:%d\n", ret);
goto exit;
}
ret = copy_to_user((uint64_t __user *)(uintptr_t)val,
&fence_user_fd, sizeof(uint64_t));
if (ret) {
SDE_ERROR("copy to user failed rc:%d\n", ret);
put_unused_fd(fence_user_fd);
ret = -EFAULT;
goto exit;
}
}
break;
case CRTC_PROP_NOISE_LAYER_V1:
_sde_crtc_set_noise_layer(sde_crtc, cstate,
(void __user *)(uintptr_t)val);
break;
case CRTC_PROP_FRAME_DATA_BUF:
_sde_crtc_set_frame_data_buffers(crtc, cstate, (void __user *)(uintptr_t)val);
break;
default:
/* nothing to do */
break;
}
exit:
if (ret) {
if (ret != -EPERM)
SDE_ERROR("%s: failed to set property%d %s: %d\n",
crtc->name, DRMID(property),
property->name, ret);
else
SDE_DEBUG("%s: failed to set property%d %s: %d\n",
crtc->name, DRMID(property),
property->name, ret);
} else {
SDE_DEBUG("%s: %s[%d] <= 0x%llx\n", crtc->name, property->name,
property->base.id, val);
}
SDE_ATRACE_END("sde_crtc_atomic_set_property");
return ret;
}
static void sde_crtc_update_line_time(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct drm_encoder *encoder;
u32 min_transfer_time = 0, updated_fps = 0;
drm_for_each_encoder_mask(encoder, crtc->dev, crtc->state->encoder_mask) {
if (sde_encoder_check_curr_mode(encoder, MSM_DISPLAY_CMD_MODE))
sde_encoder_get_transfer_time(encoder, &min_transfer_time);
}
if (min_transfer_time) {
/* get fps by doing 1000 ms / transfer_time */
updated_fps = DIV_ROUND_UP(1000000, min_transfer_time);
/* get line time by doing 1000ns / (fps * vactive) */
sde_crtc->line_time_in_ns = DIV_ROUND_UP(1000000000,
updated_fps * crtc->mode.vdisplay);
} else {
/* get line time by doing 1000ns / (fps * vtotal) */
sde_crtc->line_time_in_ns = DIV_ROUND_UP(1000000000,
drm_mode_vrefresh(&crtc->mode) * crtc->mode.vtotal);
}
SDE_EVT32(min_transfer_time, updated_fps, crtc->mode.vdisplay, crtc->mode.vtotal,
drm_mode_vrefresh(&crtc->mode), sde_crtc->line_time_in_ns);
}
void sde_crtc_set_qos_dirty(struct drm_crtc *crtc)
{
struct drm_plane *plane;
struct drm_plane_state *state;
struct sde_plane_state *pstate;
u32 plane_mask = 0;
drm_atomic_crtc_for_each_plane(plane, crtc) {
state = plane->state;
if (!state)
continue;
pstate = to_sde_plane_state(state);
pstate->dirty |= SDE_PLANE_DIRTY_QOS;
plane_mask |= drm_plane_mask(plane);
}
SDE_EVT32(DRMID(crtc), plane_mask);
sde_crtc_update_line_time(crtc);
}
/**
* sde_crtc_atomic_get_property - retrieve a crtc drm property
* @crtc: Pointer to drm crtc structure
* @state: Pointer to drm crtc state structure
* @property: Pointer to targeted drm property
* @val: Pointer to variable for receiving property value
* @Returns: Zero on success
*/
static int sde_crtc_atomic_get_property(struct drm_crtc *crtc,
const struct drm_crtc_state *state,
struct drm_property *property,
uint64_t *val)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
int ret = -EINVAL, i;
if (!crtc || !state) {
SDE_ERROR("invalid argument(s)\n");
goto end;
}
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(state);
i = msm_property_index(&sde_crtc->property_info, property);
if (i == CRTC_PROP_OUTPUT_FENCE) {
*val = ~0;
ret = 0;
} else {
ret = msm_property_atomic_get(&sde_crtc->property_info,
&cstate->property_state, property, val);
if (ret)
ret = sde_cp_crtc_get_property(crtc, property, val);
}
if (ret)
DRM_ERROR("get property failed\n");
end:
return ret;
}
int sde_crtc_helper_reset_custom_properties(struct drm_crtc *crtc,
struct drm_crtc_state *crtc_state)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct drm_property *drm_prop;
enum msm_mdp_crtc_property prop_idx;
if (!crtc || !crtc_state) {
SDE_ERROR("invalid params\n");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc_state);
sde_cp_crtc_clear(crtc);
for (prop_idx = 0; prop_idx < CRTC_PROP_COUNT; prop_idx++) {
uint64_t val = cstate->property_values[prop_idx].value;
uint64_t def;
int ret;
drm_prop = msm_property_index_to_drm_property(
&sde_crtc->property_info, prop_idx);
if (!drm_prop) {
/* not all props will be installed, based on caps */
SDE_DEBUG("%s: invalid property index %d\n",
sde_crtc->name, prop_idx);
continue;
}
def = msm_property_get_default(&sde_crtc->property_info,
prop_idx);
if (val == def)
continue;
SDE_DEBUG("%s: set prop %s idx %d from %llu to %llu\n",
sde_crtc->name, drm_prop->name, prop_idx, val,
def);
ret = sde_crtc_atomic_set_property(crtc, crtc_state, drm_prop,
def);
if (ret) {
SDE_ERROR("%s: set property failed, idx %d ret %d\n",
sde_crtc->name, prop_idx, ret);
continue;
}
}
/* disable clk and bw control until clk & bw properties are set */
cstate->bw_control = false;
cstate->bw_split_vote = false;
return 0;
}
void sde_crtc_misr_setup(struct drm_crtc *crtc, bool enable, u32 frame_count)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_mixer *m;
int i;
if (!crtc) {
SDE_ERROR("invalid argument\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
sde_crtc->misr_enable_sui = enable;
sde_crtc->misr_frame_count = frame_count;
for (i = 0; i < sde_crtc->num_mixers; ++i) {
m = &sde_crtc->mixers[i];
if (!m->hw_lm || !m->hw_lm->ops.setup_misr)
continue;
m->hw_lm->ops.setup_misr(m->hw_lm, enable, frame_count);
}
}
void sde_crtc_get_misr_info(struct drm_crtc *crtc,
struct sde_crtc_misr_info *crtc_misr_info)
{
struct sde_crtc *sde_crtc;
struct sde_kms *sde_kms;
if (!crtc_misr_info) {
SDE_ERROR("invalid misr info\n");
return;
}
crtc_misr_info->misr_enable = false;
crtc_misr_info->misr_frame_count = 0;
if (!crtc) {
SDE_ERROR("invalid crtc\n");
return;
}
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms) {
SDE_ERROR("invalid sde_kms\n");
return;
}
if (sde_kms_is_secure_session_inprogress(sde_kms))
return;
sde_crtc = to_sde_crtc(crtc);
crtc_misr_info->misr_enable =
sde_crtc->misr_enable_debugfs ? true : false;
crtc_misr_info->misr_frame_count = sde_crtc->misr_frame_count;
}
#if IS_ENABLED(CONFIG_DEBUG_FS)
static int _sde_debugfs_status_show(struct seq_file *s, void *data)
{
struct sde_crtc *sde_crtc;
struct sde_plane_state *pstate = NULL;
struct sde_crtc_mixer *m;
struct drm_crtc *crtc;
struct drm_plane *plane;
struct drm_display_mode *mode;
struct drm_framebuffer *fb;
struct drm_plane_state *state;
struct sde_crtc_state *cstate;
int i, mixer_width, mixer_height;
if (!s || !s->private)
return -EINVAL;
sde_crtc = s->private;
crtc = &sde_crtc->base;
cstate = to_sde_crtc_state(crtc->state);
mutex_lock(&sde_crtc->crtc_lock);
mode = &crtc->state->adjusted_mode;
sde_crtc_get_mixer_resolution(crtc, crtc->state, mode, &mixer_width, &mixer_height);
seq_printf(s, "crtc:%d width:%d height:%d\n", DRMID(crtc),
mixer_width * sde_crtc->num_mixers, mixer_height);
seq_puts(s, "\n");
for (i = 0; i < sde_crtc->num_mixers; ++i) {
m = &sde_crtc->mixers[i];
if (!m->hw_lm)
seq_printf(s, "\tmixer[%d] has no lm\n", i);
else if (!m->hw_ctl)
seq_printf(s, "\tmixer[%d] has no ctl\n", i);
else
seq_printf(s, "\tmixer:%d ctl:%d width:%d height:%d\n",
m->hw_lm->idx - LM_0, m->hw_ctl->idx - CTL_0,
mixer_width, mixer_height);
}
seq_puts(s, "\n");
for (i = 0; i < cstate->num_dim_layers; i++) {
struct sde_hw_dim_layer *dim_layer = &cstate->dim_layer[i];
seq_printf(s, "\tdim_layer:%d] stage:%d flags:%d\n",
i, dim_layer->stage, dim_layer->flags);
seq_printf(s, "\tdst_x:%d dst_y:%d dst_w:%d dst_h:%d\n",
dim_layer->rect.x, dim_layer->rect.y,
dim_layer->rect.w, dim_layer->rect.h);
seq_printf(s,
"\tcolor_0:%d color_1:%d color_2:%d color_3:%d\n",
dim_layer->color_fill.color_0,
dim_layer->color_fill.color_1,
dim_layer->color_fill.color_2,
dim_layer->color_fill.color_3);
seq_puts(s, "\n");
}
drm_atomic_crtc_for_each_plane(plane, crtc) {
pstate = to_sde_plane_state(plane->state);
state = plane->state;
if (!pstate || !state)
continue;
seq_printf(s, "\tplane:%u stage:%d rotation:%d\n",
plane->base.id, pstate->stage, pstate->rotation);
if (plane->state->fb) {
fb = plane->state->fb;
seq_printf(s, "\tfb:%d image format:%4.4s wxh:%ux%u ",
fb->base.id, (char *) &fb->format->format,
fb->width, fb->height);
for (i = 0; i < ARRAY_SIZE(fb->format->cpp); ++i)
seq_printf(s, "cpp[%d]:%u ",
i, fb->format->cpp[i]);
seq_puts(s, "\n\t");
seq_printf(s, "modifier:%8llu ", fb->modifier);
seq_puts(s, "\n");
seq_puts(s, "\t");
for (i = 0; i < ARRAY_SIZE(fb->pitches); i++)
seq_printf(s, "pitches[%d]:%8u ", i,
fb->pitches[i]);
seq_puts(s, "\n");
seq_puts(s, "\t");
for (i = 0; i < ARRAY_SIZE(fb->offsets); i++)
seq_printf(s, "offsets[%d]:%8u ", i,
fb->offsets[i]);
seq_puts(s, "\n");
}
seq_printf(s, "\tsrc_x:%4d src_y:%4d src_w:%4d src_h:%4d\n",
state->src_x >> 16, state->src_y >> 16,
state->src_w >> 16, state->src_h >> 16);
seq_printf(s, "\tdst x:%4d dst_y:%4d dst_w:%4d dst_h:%4d\n",
state->crtc_x, state->crtc_y, state->crtc_w,
state->crtc_h);
seq_printf(s, "\tmultirect: mode: %d index: %d\n",
pstate->multirect_mode, pstate->multirect_index);
seq_printf(s, "\texcl_rect: x:%4d y:%4d w:%4d h:%4d\n",
pstate->excl_rect.x, pstate->excl_rect.y,
pstate->excl_rect.w, pstate->excl_rect.h);
seq_puts(s, "\n");
}
if (sde_crtc->vblank_cb_count) {
ktime_t diff = ktime_sub(ktime_get(), sde_crtc->vblank_cb_time);
u32 diff_ms = ktime_to_ms(diff);
u64 fps = diff_ms ? DIV_ROUND_CLOSEST(
sde_crtc->vblank_cb_count * 1000, diff_ms) : 0;
seq_printf(s,
"vblank fps:%lld count:%u total:%llums total_framecount:%llu\n",
fps, sde_crtc->vblank_cb_count,
ktime_to_ms(diff), sde_crtc->play_count);
/* reset time & count for next measurement */
sde_crtc->vblank_cb_count = 0;
sde_crtc->vblank_cb_time = ktime_set(0, 0);
}
mutex_unlock(&sde_crtc->crtc_lock);
return 0;
}
static int _sde_debugfs_status_open(struct inode *inode, struct file *file)
{
return single_open(file, _sde_debugfs_status_show, inode->i_private);
}
static ssize_t _sde_debugfs_hw_fence_features_mask_wr(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
struct sde_crtc *sde_crtc;
u32 bit, enable;
char buf[30];
if (!file || !file->private_data)
return -EINVAL;
if (count >= sizeof(buf))
return -EINVAL;
if (copy_from_user(buf, user_buf, count)) {
SDE_ERROR("buffer copy failed\n");
return -EINVAL;
}
buf[count] = 0; /* end of string */
sde_crtc = file->private_data;
if (sscanf(buf, "%u %u", &bit, &enable) != 2) {
SDE_ERROR("incorrect usage: expected 2 parameters, bit and enable\n");
return -EINVAL;
}
if (enable)
set_bit(bit, sde_crtc->hwfence_features_mask);
else
clear_bit(bit, sde_crtc->hwfence_features_mask);
return count;
}
static ssize_t _sde_debugfs_hw_fence_features_mask_rd(struct file *file,
char __user *user_buff, size_t count, loff_t *ppos)
{
struct sde_crtc *sde_crtc;
ssize_t len = 0;
char buf[256] = {'\0'};
int i;
if (*ppos)
return 0;
if (!file || !file->private_data)
return -EINVAL;
sde_crtc = file->private_data;
for (i = HW_FENCE_OUT_FENCES_ENABLE; i < HW_FENCE_FEATURES_MAX; i++) {
len += scnprintf(buf + len, 256 - len,
"bit %d: %d\n", i, test_bit(i, sde_crtc->hwfence_features_mask));
}
if (count <= len)
return 0;
if (copy_to_user(user_buff, buf, len))
return -EFAULT;
*ppos += len; /* increase offset */
return len;
}
static ssize_t _sde_crtc_misr_setup(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
char buf[MISR_BUFF_SIZE + 1];
u32 frame_count, enable;
size_t buff_copy;
struct sde_kms *sde_kms;
if (!file || !file->private_data)
return -EINVAL;
sde_crtc = file->private_data;
crtc = &sde_crtc->base;
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms) {
SDE_ERROR("invalid sde_kms\n");
return -EINVAL;
}
buff_copy = min_t(size_t, count, MISR_BUFF_SIZE);
if (copy_from_user(buf, user_buf, buff_copy)) {
SDE_ERROR("buffer copy failed\n");
return -EINVAL;
}
buf[buff_copy] = 0; /* end of string */
if (sscanf(buf, "%u %u", &enable, &frame_count) != 2)
return -EINVAL;
if (sde_kms_is_secure_session_inprogress(sde_kms)) {
SDE_DEBUG("crtc:%d misr enable/disable not allowed\n",
DRMID(crtc));
return -EINVAL;
}
sde_crtc->misr_enable_debugfs = enable;
sde_crtc->misr_frame_count = frame_count;
sde_crtc->misr_reconfigure = true;
return count;
}
static ssize_t _sde_crtc_misr_read(struct file *file,
char __user *user_buff, size_t count, loff_t *ppos)
{
struct drm_crtc *crtc;
struct sde_crtc *sde_crtc;
struct sde_kms *sde_kms;
struct sde_crtc_mixer *m;
int i = 0, rc;
ssize_t len = 0;
char buf[MISR_BUFF_SIZE + 1] = {'\0'};
if (*ppos)
return 0;
if (!file || !file->private_data)
return -EINVAL;
sde_crtc = file->private_data;
crtc = &sde_crtc->base;
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms)
return -EINVAL;
rc = pm_runtime_resume_and_get(crtc->dev->dev);
if (rc < 0) {
SDE_ERROR("failed to enable power resource %d\n", rc);
return rc;
}
sde_vm_lock(sde_kms);
if (!sde_vm_owns_hw(sde_kms)) {
SDE_DEBUG("op not supported due to HW unavailability\n");
rc = -EOPNOTSUPP;
goto end;
}
if (sde_kms_is_secure_session_inprogress(sde_kms)) {
SDE_DEBUG("crtc:%d misr read not allowed\n", DRMID(crtc));
rc = -EOPNOTSUPP;
goto end;
}
if (!sde_crtc->misr_enable_debugfs) {
len += scnprintf(buf + len, MISR_BUFF_SIZE - len,
"disabled\n");
goto buff_check;
}
for (i = 0; i < sde_crtc->num_mixers; ++i) {
u32 misr_value = 0;
m = &sde_crtc->mixers[i];
if (!m->hw_lm || !m->hw_lm->ops.collect_misr) {
if (!m->hw_lm || !m->hw_lm->cap->dummy_mixer) {
len += scnprintf(buf + len, MISR_BUFF_SIZE - len, "invalid\n");
SDE_ERROR("crtc:%d invalid misr ops\n", DRMID(crtc));
}
continue;
}
rc = m->hw_lm->ops.collect_misr(m->hw_lm, false, &misr_value);
if (rc) {
len += scnprintf(buf + len, MISR_BUFF_SIZE - len, "invalid\n");
SDE_ERROR("crtc:%d failed to collect misr %d\n", DRMID(crtc), rc);
continue;
} else {
len += scnprintf(buf + len, MISR_BUFF_SIZE - len,
"lm idx:%d\n", m->hw_lm->idx - LM_0);
len += scnprintf(buf + len, MISR_BUFF_SIZE - len, "0x%x\n", misr_value);
}
}
buff_check:
if (count <= len) {
len = 0;
goto end;
}
if (copy_to_user(user_buff, buf, len)) {
len = -EFAULT;
goto end;
}
*ppos += len; /* increase offset */
end:
sde_vm_unlock(sde_kms);
pm_runtime_put_sync(crtc->dev->dev);
return len;
}
#define DEFINE_SDE_DEBUGFS_SEQ_FOPS(__prefix) \
static int __prefix ## _open(struct inode *inode, struct file *file) \
{ \
return single_open(file, __prefix ## _show, inode->i_private); \
} \
static const struct file_operations __prefix ## _fops = { \
.owner = THIS_MODULE, \
.open = __prefix ## _open, \
.release = single_release, \
.read = seq_read, \
.llseek = seq_lseek, \
}
static int sde_crtc_debugfs_state_show(struct seq_file *s, void *v)
{
struct drm_crtc *crtc = (struct drm_crtc *) s->private;
struct sde_crtc *sde_crtc = to_sde_crtc(crtc);
struct sde_crtc_state *cstate = to_sde_crtc_state(crtc->state);
int i;
seq_printf(s, "num_connectors: %d\n", cstate->num_connectors);
seq_printf(s, "client type: %d\n", sde_crtc_get_client_type(crtc));
seq_printf(s, "intf_mode: %d\n", sde_crtc_get_intf_mode(crtc,
crtc->state));
seq_printf(s, "core_clk_rate: %llu\n",
sde_crtc->cur_perf.core_clk_rate);
for (i = SDE_POWER_HANDLE_DBUS_ID_MNOC;
i < SDE_POWER_HANDLE_DBUS_ID_MAX; i++) {
seq_printf(s, "bw_ctl[%s]: %llu\n",
sde_power_handle_get_dbus_name(i),
sde_crtc->cur_perf.bw_ctl[i]);
seq_printf(s, "max_per_pipe_ib[%s]: %llu\n",
sde_power_handle_get_dbus_name(i),
sde_crtc->cur_perf.max_per_pipe_ib[i]);
}
return 0;
}
DEFINE_SDE_DEBUGFS_SEQ_FOPS(sde_crtc_debugfs_state);
static int _sde_debugfs_fence_status_show(struct seq_file *s, void *data)
{
struct drm_crtc *crtc;
struct drm_plane *plane;
struct drm_connector *conn;
struct drm_mode_object *drm_obj;
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
struct sde_fence_context *ctx;
struct drm_connector_list_iter conn_iter;
struct drm_device *dev;
if (!s || !s->private)
return -EINVAL;
sde_crtc = s->private;
crtc = &sde_crtc->base;
dev = crtc->dev;
cstate = to_sde_crtc_state(crtc->state);
if (!sde_crtc->kickoff_in_progress)
goto skip_input_fence;
/* Dump input fence info */
seq_puts(s, "===Input fence===\n");
drm_atomic_crtc_for_each_plane(plane, crtc) {
struct sde_plane_state *pstate;
struct dma_fence *fence;
pstate = to_sde_plane_state(plane->state);
if (!pstate)
continue;
seq_printf(s, "plane:%u stage:%d\n", plane->base.id,
pstate->stage);
SDE_EVT32(DRMID(crtc), plane->base.id, pstate->input_fence);
if (pstate->input_fence) {
rcu_read_lock();
fence = dma_fence_get_rcu(pstate->input_fence);
rcu_read_unlock();
if (fence) {
sde_fence_list_dump(fence, &s);
dma_fence_put(fence);
}
}
}
skip_input_fence:
/* Dump release fence info */
seq_puts(s, "\n");
seq_puts(s, "===Release fence===\n");
ctx = sde_crtc->output_fence;
drm_obj = &crtc->base;
sde_debugfs_timeline_dump(ctx, drm_obj, &s);
seq_puts(s, "\n");
/* Dump retire fence info */
seq_puts(s, "===Retire fence===\n");
drm_connector_list_iter_begin(dev, &conn_iter);
drm_for_each_connector_iter(conn, &conn_iter)
if (conn->state && conn->state->crtc == crtc &&
cstate->num_connectors < MAX_CONNECTORS) {
struct sde_connector *c_conn;
c_conn = to_sde_connector(conn);
ctx = c_conn->retire_fence;
drm_obj = &conn->base;
sde_debugfs_timeline_dump(ctx, drm_obj, &s);
}
drm_connector_list_iter_end(&conn_iter);
seq_puts(s, "\n");
return 0;
}
static int _sde_debugfs_fence_status(struct inode *inode, struct file *file)
{
return single_open(file, _sde_debugfs_fence_status_show,
inode->i_private);
}
static int _sde_crtc_init_debugfs(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_kms *sde_kms;
static const struct file_operations debugfs_status_fops = {
.open = _sde_debugfs_status_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static const struct file_operations debugfs_misr_fops = {
.open = simple_open,
.read = _sde_crtc_misr_read,
.write = _sde_crtc_misr_setup,
};
static const struct file_operations debugfs_fps_fops = {
.open = _sde_debugfs_fps_status,
.read = seq_read,
};
static const struct file_operations debugfs_fence_fops = {
.open = _sde_debugfs_fence_status,
.read = seq_read,
};
static const struct file_operations debugfs_hw_fence_features_fops = {
.open = simple_open,
.read = _sde_debugfs_hw_fence_features_mask_rd,
.write = _sde_debugfs_hw_fence_features_mask_wr,
};
if (!crtc)
return -EINVAL;
sde_crtc = to_sde_crtc(crtc);
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms)
return -EINVAL;
sde_crtc->debugfs_root = debugfs_create_dir(sde_crtc->name,
crtc->dev->primary->debugfs_root);
if (!sde_crtc->debugfs_root)
return -ENOMEM;
/* don't error check these */
debugfs_create_file("status", 0400,
sde_crtc->debugfs_root,
sde_crtc, &debugfs_status_fops);
debugfs_create_file("state", 0400,
sde_crtc->debugfs_root,
&sde_crtc->base,
&sde_crtc_debugfs_state_fops);
debugfs_create_file("misr_data", 0600, sde_crtc->debugfs_root,
sde_crtc, &debugfs_misr_fops);
debugfs_create_file("fps", 0400, sde_crtc->debugfs_root,
sde_crtc, &debugfs_fps_fops);
debugfs_create_file("fence_status", 0400, sde_crtc->debugfs_root,
sde_crtc, &debugfs_fence_fops);
if (sde_kms->catalog->hw_fence_rev) {
debugfs_create_file("hwfence_features_mask", 0600, sde_crtc->debugfs_root,
&sde_crtc->base, &debugfs_hw_fence_features_fops);
debugfs_create_u32("hwfence_out_fences_skip", 0600, sde_crtc->debugfs_root,
&sde_crtc->hwfence_out_fences_skip);
}
return 0;
}
static void _sde_crtc_destroy_debugfs(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
if (!crtc)
return;
sde_crtc = to_sde_crtc(crtc);
debugfs_remove_recursive(sde_crtc->debugfs_root);
}
#else
static int _sde_crtc_init_debugfs(struct drm_crtc *crtc)
{
return 0;
}
static void _sde_crtc_destroy_debugfs(struct drm_crtc *crtc)
{
}
#endif /* CONFIG_DEBUG_FS */
static void vblank_ctrl_worker(struct kthread_work *work)
{
struct vblank_work *cur_work = container_of(work,
struct vblank_work, work);
struct msm_drm_private *priv = cur_work->priv;
sde_crtc_vblank(priv->crtcs[cur_work->crtc_id], cur_work->enable);
kfree(cur_work);
}
static int vblank_ctrl_queue_work(struct msm_drm_private *priv,
int crtc_id, bool enable)
{
struct vblank_work *cur_work;
struct drm_crtc *crtc;
struct kthread_worker *worker;
if (!priv || crtc_id >= priv->num_crtcs)
return -EINVAL;
cur_work = kzalloc(sizeof(*cur_work), GFP_ATOMIC);
if (!cur_work)
return -ENOMEM;
crtc = priv->crtcs[crtc_id];
kthread_init_work(&cur_work->work, vblank_ctrl_worker);
cur_work->crtc_id = crtc_id;
cur_work->enable = enable;
cur_work->priv = priv;
worker = &priv->event_thread[crtc_id].worker;
kthread_queue_work(worker, &cur_work->work);
return 0;
}
static int sde_crtc_enable_vblank(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
unsigned int pipe = crtc->index;
struct msm_drm_private *priv = dev->dev_private;
struct msm_kms *kms = priv->kms;
if (!kms)
return -ENXIO;
DBG("dev=%pK, crtc=%u", dev, pipe);
return vblank_ctrl_queue_work(priv, pipe, true);
}
static void sde_crtc_disable_vblank(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
unsigned int pipe = crtc->index;
struct msm_drm_private *priv = dev->dev_private;
struct msm_kms *kms = priv->kms;
if (!kms)
return;
DBG("dev=%pK, crtc=%u", dev, pipe);
vblank_ctrl_queue_work(priv, pipe, false);
}
static int sde_crtc_late_register(struct drm_crtc *crtc)
{
return _sde_crtc_init_debugfs(crtc);
}
static void sde_crtc_early_unregister(struct drm_crtc *crtc)
{
_sde_crtc_destroy_debugfs(crtc);
}
static const struct drm_crtc_funcs sde_crtc_funcs = {
.set_config = drm_atomic_helper_set_config,
.destroy = sde_crtc_destroy,
.enable_vblank = sde_crtc_enable_vblank,
.disable_vblank = sde_crtc_disable_vblank,
.page_flip = drm_atomic_helper_page_flip,
.atomic_set_property = sde_crtc_atomic_set_property,
.atomic_get_property = sde_crtc_atomic_get_property,
.reset = sde_crtc_reset,
.atomic_duplicate_state = sde_crtc_duplicate_state,
.atomic_destroy_state = sde_crtc_destroy_state,
.late_register = sde_crtc_late_register,
.early_unregister = sde_crtc_early_unregister,
};
static const struct drm_crtc_funcs sde_crtc_funcs_v1 = {
.set_config = drm_atomic_helper_set_config,
.destroy = sde_crtc_destroy,
.enable_vblank = sde_crtc_enable_vblank,
.disable_vblank = sde_crtc_disable_vblank,
.page_flip = drm_atomic_helper_page_flip,
.atomic_set_property = sde_crtc_atomic_set_property,
.atomic_get_property = sde_crtc_atomic_get_property,
.reset = sde_crtc_reset,
.atomic_duplicate_state = sde_crtc_duplicate_state,
.atomic_destroy_state = sde_crtc_destroy_state,
.late_register = sde_crtc_late_register,
.early_unregister = sde_crtc_early_unregister,
.get_vblank_timestamp = sde_crtc_get_vblank_timestamp,
.get_vblank_counter = sde_crtc_get_vblank_counter,
};
static const struct drm_crtc_helper_funcs sde_crtc_helper_funcs = {
.mode_fixup = sde_crtc_mode_fixup,
.disable = sde_crtc_disable,
.atomic_enable = sde_crtc_enable,
.atomic_check = sde_crtc_atomic_check,
.atomic_begin = sde_crtc_atomic_begin,
.atomic_flush = sde_crtc_atomic_flush,
};
static void _sde_crtc_event_cb(struct kthread_work *work)
{
struct sde_crtc_event *event;
struct sde_crtc *sde_crtc;
unsigned long irq_flags;
if (!work) {
SDE_ERROR("invalid work item\n");
return;
}
event = container_of(work, struct sde_crtc_event, kt_work);
/* set sde_crtc to NULL for static work structures */
sde_crtc = event->sde_crtc;
if (!sde_crtc)
return;
if (event->cb_func)
event->cb_func(&sde_crtc->base, event->usr);
spin_lock_irqsave(&sde_crtc->event_lock, irq_flags);
list_add_tail(&event->list, &sde_crtc->event_free_list);
spin_unlock_irqrestore(&sde_crtc->event_lock, irq_flags);
}
int sde_crtc_event_queue(struct drm_crtc *crtc,
void (*func)(struct drm_crtc *crtc, void *usr),
void *usr, bool color_processing_event)
{
unsigned long irq_flags;
struct sde_crtc *sde_crtc;
struct msm_drm_private *priv;
struct sde_crtc_event *event = NULL;
u32 crtc_id;
if (!crtc || !crtc->dev || !crtc->dev->dev_private || !func) {
SDE_ERROR("invalid parameters\n");
return -EINVAL;
}
sde_crtc = to_sde_crtc(crtc);
priv = crtc->dev->dev_private;
crtc_id = drm_crtc_index(crtc);
/*
* Obtain an event struct from the private cache. This event
* queue may be called from ISR contexts, so use a private
* cache to avoid calling any memory allocation functions.
*/
spin_lock_irqsave(&sde_crtc->event_lock, irq_flags);
if (!list_empty(&sde_crtc->event_free_list)) {
event = list_first_entry(&sde_crtc->event_free_list,
struct sde_crtc_event, list);
list_del_init(&event->list);
}
spin_unlock_irqrestore(&sde_crtc->event_lock, irq_flags);
if (!event)
return -ENOMEM;
/* populate event node */
event->sde_crtc = sde_crtc;
event->cb_func = func;
event->usr = usr;
/* queue new event request */
kthread_init_work(&event->kt_work, _sde_crtc_event_cb);
if (color_processing_event)
kthread_queue_work(&priv->pp_event_worker,
&event->kt_work);
else
kthread_queue_work(&priv->event_thread[crtc_id].worker,
&event->kt_work);
return 0;
}
static int _sde_crtc_init_events(struct sde_crtc *sde_crtc)
{
int i, rc = 0;
if (!sde_crtc) {
SDE_ERROR("invalid crtc\n");
return -EINVAL;
}
spin_lock_init(&sde_crtc->event_lock);
INIT_LIST_HEAD(&sde_crtc->event_free_list);
for (i = 0; i < SDE_CRTC_MAX_EVENT_COUNT; ++i)
list_add_tail(&sde_crtc->event_cache[i].list,
&sde_crtc->event_free_list);
return rc;
}
void sde_crtc_static_img_control(struct drm_crtc *crtc,
enum sde_sys_cache_state state,
bool is_vidmode)
{
struct drm_plane *plane;
struct sde_crtc *sde_crtc;
struct sde_kms *sde_kms;
if (!crtc || !crtc->dev)
return;
sde_kms = _sde_crtc_get_kms(crtc);
if (!sde_kms || !sde_kms->catalog) {
SDE_ERROR("invalid params\n");
return;
}
if (!test_bit(SDE_SYS_CACHE_DISP, sde_kms->catalog->sde_sys_cache_type_map)) {
SDE_DEBUG("DISP syscache not supported\n");
return;
}
sde_crtc = to_sde_crtc(crtc);
if (sde_crtc->cache_state == state)
return;
switch (state) {
case CACHE_STATE_NORMAL:
if (sde_crtc->cache_state == CACHE_STATE_DISABLED
&& !is_vidmode)
return;
kthread_cancel_delayed_work_sync(
&sde_crtc->static_cache_read_work);
sde_core_perf_llcc_stale_frame(crtc, SDE_SYS_CACHE_DISP);
break;
case CACHE_STATE_FRAME_WRITE:
if (sde_crtc->cache_state != CACHE_STATE_NORMAL)
return;
break;
case CACHE_STATE_FRAME_READ:
if (sde_crtc->cache_state != CACHE_STATE_FRAME_WRITE)
return;
break;
case CACHE_STATE_DISABLED:
break;
default:
return;
}
if (test_bit(SDE_SYS_CACHE_DISP_1, sde_kms->catalog->sde_sys_cache_type_map) &&
!test_bit(SDE_FEATURE_SYS_CACHE_STALING, sde_kms->catalog->features)) {
if (state == CACHE_STATE_FRAME_WRITE)
sde_crtc->cache_type = (sde_crtc->cache_type == SDE_SYS_CACHE_DISP) ?
SDE_SYS_CACHE_DISP_1 : SDE_SYS_CACHE_DISP;
} else {
sde_crtc->cache_type = SDE_SYS_CACHE_DISP;
}
SDE_EVT32(DRMID(crtc), state, sde_crtc->cache_state, sde_crtc->cache_type);
sde_crtc->cache_state = state;
drm_atomic_crtc_for_each_plane(plane, crtc)
sde_plane_static_img_control(plane, sde_crtc->cache_state, sde_crtc->cache_type);
}
/*
* __sde_crtc_static_cache_read_work - transition to cache read
*/
void __sde_crtc_static_cache_read_work(struct kthread_work *work)
{
struct sde_crtc *sde_crtc = container_of(work, struct sde_crtc,
static_cache_read_work.work);
struct drm_crtc *crtc = &sde_crtc->base;
struct sde_hw_ctl *ctl = sde_crtc->mixers[0].hw_ctl;
struct drm_encoder *enc, *drm_enc = NULL;
struct drm_plane *plane;
struct sde_encoder_kickoff_params params = { 0 };
if (sde_crtc->cache_state != CACHE_STATE_FRAME_WRITE)
return;
drm_for_each_encoder_mask(enc, crtc->dev, crtc->state->encoder_mask) {
drm_enc = enc;
if (sde_encoder_in_clone_mode(drm_enc))
return;
}
if (!drm_enc || !ctl || !sde_crtc->num_mixers) {
SDE_ERROR("invalid object, drm_enc:%d, ctl:%d\n", !drm_enc,
!ctl);
return;
}
SDE_EVT32(DRMID(crtc), SDE_EVTLOG_FUNC_ENTRY);
sde_crtc_static_img_control(crtc, CACHE_STATE_FRAME_READ, false);
/* flush only the sys-cache enabled SSPPs */
if (ctl->ops.clear_pending_flush)
ctl->ops.clear_pending_flush(ctl);
drm_atomic_crtc_for_each_plane(plane, crtc)
sde_plane_ctl_flush(plane, ctl, true);
/* Enable clocks and IRQ and wait for VBLANK */
params.affected_displays = _sde_crtc_get_displays_affected(crtc, crtc->state);
sde_encoder_prepare_for_kickoff(drm_enc, ¶ms);
sde_encoder_kickoff(drm_enc, false);
sde_encoder_wait_for_event(drm_enc, MSM_ENC_VBLANK);
SDE_EVT32(DRMID(crtc), SDE_EVTLOG_FUNC_EXIT);
}
void sde_crtc_static_cache_read_kickoff(struct drm_crtc *crtc)
{
struct drm_device *dev;
struct msm_drm_private *priv;
struct msm_drm_thread *disp_thread;
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
u32 msecs_fps = 0;
if (!crtc)
return;
dev = crtc->dev;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
if (!dev || !dev->dev_private || !sde_crtc)
return;
priv = dev->dev_private;
disp_thread = &priv->disp_thread[crtc->index];
if (sde_crtc->cache_state != CACHE_STATE_FRAME_WRITE)
return;
msecs_fps = DIV_ROUND_UP((1 * 1000), sde_crtc_get_fps_mode(crtc));
/* Kickoff transition to read state after next vblank */
kthread_queue_delayed_work(&disp_thread->worker,
&sde_crtc->static_cache_read_work,
msecs_to_jiffies(msecs_fps));
SDE_EVT32(DRMID(crtc), sde_crtc->cache_state, msecs_fps);
}
void sde_crtc_cancel_delayed_work(struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
struct sde_crtc_state *cstate;
bool cache_status;
if (!crtc || !crtc->state)
return;
sde_crtc = to_sde_crtc(crtc);
cstate = to_sde_crtc_state(crtc->state);
cache_status = kthread_cancel_delayed_work_sync(&sde_crtc->static_cache_read_work);
SDE_EVT32(DRMID(crtc), cache_status);
}
/* initialize crtc */
struct drm_crtc *sde_crtc_init(struct drm_device *dev, struct drm_plane *plane)
{
struct drm_crtc *crtc = NULL;
struct sde_crtc *sde_crtc = NULL;
struct msm_drm_private *priv = NULL;
struct sde_kms *kms = NULL;
const struct drm_crtc_funcs *crtc_funcs;
int i, rc;
priv = dev->dev_private;
kms = to_sde_kms(priv->kms);
sde_crtc = kzalloc(sizeof(*sde_crtc), GFP_KERNEL);
if (!sde_crtc)
return ERR_PTR(-ENOMEM);
crtc = &sde_crtc->base;
crtc->dev = dev;
mutex_init(&sde_crtc->crtc_lock);
spin_lock_init(&sde_crtc->spin_lock);
spin_lock_init(&sde_crtc->event_spin_lock);
atomic_set(&sde_crtc->frame_pending, 0);
sde_crtc->enabled = false;
sde_crtc->kickoff_in_progress = false;
/* Below parameters are for fps calculation for sysfs node */
sde_crtc->fps_info.fps_periodic_duration = DEFAULT_FPS_PERIOD_1_SEC;
sde_crtc->fps_info.time_buf = kmalloc_array(MAX_FRAME_COUNT,
sizeof(ktime_t), GFP_KERNEL);
if (!sde_crtc->fps_info.time_buf)
SDE_ERROR("invalid buffer\n");
else
memset(sde_crtc->fps_info.time_buf, 0,
sizeof(*(sde_crtc->fps_info.time_buf)));
INIT_LIST_HEAD(&sde_crtc->frame_event_list);
INIT_LIST_HEAD(&sde_crtc->user_event_list);
for (i = 0; i < ARRAY_SIZE(sde_crtc->frame_events); i++) {
INIT_LIST_HEAD(&sde_crtc->frame_events[i].list);
list_add(&sde_crtc->frame_events[i].list,
&sde_crtc->frame_event_list);
kthread_init_work(&sde_crtc->frame_events[i].work,
sde_crtc_frame_event_work);
}
INIT_LIST_HEAD(&sde_crtc->vblank_event_list);
for (i = 0; i < ARRAY_SIZE(sde_crtc->vblank_events); i++) {
INIT_LIST_HEAD(&sde_crtc->vblank_events[i].list);
list_add(&sde_crtc->vblank_events[i].list,
&sde_crtc->vblank_event_list);
kthread_init_work(&sde_crtc->vblank_events[i].work,
sde_crtc_vblank_notify_work);
}
crtc_funcs = test_bit(SDE_FEATURE_HW_VSYNC_TS, kms->catalog->features) ?
&sde_crtc_funcs_v1 : &sde_crtc_funcs;
drm_crtc_init_with_planes(dev, crtc, plane, NULL, crtc_funcs, NULL);
drm_crtc_helper_add(crtc, &sde_crtc_helper_funcs);
if (kms->catalog->hw_fence_rev) {
set_bit(HW_FENCE_OUT_FENCES_ENABLE, sde_crtc->hwfence_features_mask);
set_bit(HW_FENCE_IN_FENCES_ENABLE, sde_crtc->hwfence_features_mask);
}
/* save user friendly CRTC name for later */
snprintf(sde_crtc->name, SDE_CRTC_NAME_SIZE, "crtc%u", crtc->base.id);
/* initialize event handling */
rc = _sde_crtc_init_events(sde_crtc);
if (rc) {
drm_crtc_cleanup(crtc);
kfree(sde_crtc);
return ERR_PTR(rc);
}
/* initialize output fence support */
sde_crtc->output_fence = sde_fence_init(sde_crtc->name, crtc->base.id);
if (IS_ERR(sde_crtc->output_fence)) {
rc = PTR_ERR(sde_crtc->output_fence);
SDE_ERROR("failed to init fence, %d\n", rc);
drm_crtc_cleanup(crtc);
kfree(sde_crtc);
return ERR_PTR(rc);
}
/* create CRTC properties */
msm_property_init(&sde_crtc->property_info, &crtc->base, dev,
priv->crtc_property, sde_crtc->property_data,
CRTC_PROP_COUNT, CRTC_PROP_BLOBCOUNT,
sizeof(struct sde_crtc_state));
sde_crtc_install_properties(crtc, kms->catalog);
/* Install color processing properties */
sde_cp_crtc_init(crtc);
sde_cp_crtc_install_properties(crtc);
for (i = 0; i < SDE_SYS_CACHE_MAX; i++) {
sde_crtc->cur_perf.llcc_active[i] = false;
sde_crtc->new_perf.llcc_active[i] = false;
}
kthread_init_delayed_work(&sde_crtc->static_cache_read_work,
__sde_crtc_static_cache_read_work);
SDE_DEBUG("%s: successfully initialized crtc, hwfence_out:%d, hwfence_in:%d\n",
sde_crtc->name,
test_bit(HW_FENCE_OUT_FENCES_ENABLE, sde_crtc->hwfence_features_mask),
test_bit(HW_FENCE_IN_FENCES_ENABLE, sde_crtc->hwfence_features_mask));
return crtc;
}
int sde_crtc_post_init(struct drm_device *dev, struct drm_crtc *crtc)
{
struct sde_crtc *sde_crtc;
int rc = 0;
if (!dev || !dev->primary || !dev->primary->kdev || !crtc) {
SDE_ERROR("invalid input param(s)\n");
rc = -EINVAL;
goto end;
}
sde_crtc = to_sde_crtc(crtc);
sde_crtc->sysfs_dev = device_create_with_groups(
dev->primary->kdev->class, dev->primary->kdev, 0, crtc,
sde_crtc_attr_groups, "sde-crtc-%d", crtc->index);
if (IS_ERR_OR_NULL(sde_crtc->sysfs_dev)) {
SDE_ERROR("crtc:%d sysfs create failed rc:%ld\n", crtc->index,
PTR_ERR(sde_crtc->sysfs_dev));
if (!sde_crtc->sysfs_dev)
rc = -EINVAL;
else
rc = PTR_ERR(sde_crtc->sysfs_dev);
goto end;
}
sde_crtc->vsync_event_sf = sysfs_get_dirent(
sde_crtc->sysfs_dev->kobj.sd, "vsync_event");
if (!sde_crtc->vsync_event_sf)
SDE_ERROR("crtc:%d vsync_event sysfs create failed\n",
crtc->base.id);
sde_crtc->retire_frame_event_sf = sysfs_get_dirent(
sde_crtc->sysfs_dev->kobj.sd, "retire_frame_event");
if (!sde_crtc->retire_frame_event_sf)
SDE_ERROR("crtc:%d retire frame event sysfs create failed\n",
crtc->base.id);
end:
return rc;
}
static int _sde_crtc_event_enable(struct sde_kms *kms,
struct drm_crtc *crtc_drm, u32 event)
{
struct sde_crtc *crtc = NULL;
struct sde_crtc_irq_info *node;
unsigned long flags;
bool found = false;
int ret, i = 0;
bool add_event = false;
crtc = to_sde_crtc(crtc_drm);
spin_lock_irqsave(&crtc->spin_lock, flags);
list_for_each_entry(node, &crtc->user_event_list, list) {
if (node->event == event) {
found = true;
break;
}
}
spin_unlock_irqrestore(&crtc->spin_lock, flags);
/* event already enabled */
if (found)
return 0;
node = NULL;
for (i = 0; i < ARRAY_SIZE(custom_events); i++) {
if (custom_events[i].event == event &&
custom_events[i].func) {
node = kzalloc(sizeof(*node), GFP_KERNEL);
if (!node)
return -ENOMEM;
INIT_LIST_HEAD(&node->list);
INIT_LIST_HEAD(&node->irq.list);
node->func = custom_events[i].func;
node->event = event;
node->state = IRQ_NOINIT;
spin_lock_init(&node->state_lock);
break;
}
}
if (!node) {
SDE_ERROR("unsupported event %x\n", event);
return -EINVAL;
}
ret = 0;
if (crtc_drm->enabled) {
ret = pm_runtime_resume_and_get(crtc_drm->dev->dev);
if (ret < 0) {
SDE_ERROR("failed to enable power resource %d\n", ret);
SDE_EVT32(ret, SDE_EVTLOG_ERROR);
kfree(node);
return ret;
}
INIT_LIST_HEAD(&node->irq.list);
mutex_lock(&crtc->crtc_lock);
ret = node->func(crtc_drm, true, &node->irq);
if (!ret) {
spin_lock_irqsave(&crtc->spin_lock, flags);
list_add_tail(&node->list, &crtc->user_event_list);
add_event = true;
spin_unlock_irqrestore(&crtc->spin_lock, flags);
}
mutex_unlock(&crtc->crtc_lock);
pm_runtime_put_sync(crtc_drm->dev->dev);
}
if (add_event)
return 0;
if (!ret) {
spin_lock_irqsave(&crtc->spin_lock, flags);
list_add_tail(&node->list, &crtc->user_event_list);
spin_unlock_irqrestore(&crtc->spin_lock, flags);
} else {
kfree(node);
}
return ret;
}
static int _sde_crtc_event_disable(struct sde_kms *kms,
struct drm_crtc *crtc_drm, u32 event)
{
struct sde_crtc *crtc = NULL;
struct sde_crtc_irq_info *node = NULL;
unsigned long flags;
bool found = false;
int ret;
crtc = to_sde_crtc(crtc_drm);
spin_lock_irqsave(&crtc->spin_lock, flags);
list_for_each_entry(node, &crtc->user_event_list, list) {
if (node->event == event) {
list_del_init(&node->list);
found = true;
break;
}
}
spin_unlock_irqrestore(&crtc->spin_lock, flags);
/* event already disabled */
if (!found)
return 0;
/**
* crtc is disabled interrupts are cleared remove from the list,
* no need to disable/de-register.
*/
if (!crtc_drm->enabled) {
kfree(node);
return 0;
}
ret = pm_runtime_resume_and_get(crtc_drm->dev->dev);
if (ret < 0) {
SDE_ERROR("failed to enable power resource %d\n", ret);
SDE_EVT32(ret, SDE_EVTLOG_ERROR);
kfree(node);
return ret;
}
ret = node->func(crtc_drm, false, &node->irq);
if (ret) {
spin_lock_irqsave(&crtc->spin_lock, flags);
list_add_tail(&node->list, &crtc->user_event_list);
spin_unlock_irqrestore(&crtc->spin_lock, flags);
} else {
kfree(node);
}
pm_runtime_put_sync(crtc_drm->dev->dev);
return ret;
}
int sde_crtc_register_custom_event(struct sde_kms *kms,
struct drm_crtc *crtc_drm, u32 event, bool en)
{
struct sde_crtc *crtc = NULL;
int ret;
crtc = to_sde_crtc(crtc_drm);
if (!crtc || !kms || !kms->dev) {
DRM_ERROR("invalid sde_crtc %pK kms %pK dev %pK\n", crtc,
kms, ((kms) ? (kms->dev) : NULL));
return -EINVAL;
}
if (en)
ret = _sde_crtc_event_enable(kms, crtc_drm, event);
else
ret = _sde_crtc_event_disable(kms, crtc_drm, event);
return ret;
}
static int sde_crtc_power_interrupt_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *irq)
{
return 0;
}
static int sde_crtc_pm_event_handler(struct drm_crtc *crtc, bool en,
struct sde_irq_callback *noirq)
{
/*
* IRQ object noirq is not being used here since there is
* no crtc irq from pm event.
*/
return 0;
}
static int sde_crtc_idle_interrupt_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *irq)
{
return 0;
}
static int sde_crtc_mmrm_interrupt_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *irq)
{
return 0;
}
static int sde_crtc_opr_event_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *irq)
{
struct sde_crtc *sde_crtc;
sde_crtc = to_sde_crtc(crtc_drm);
if (!sde_crtc)
return -EINVAL;
sde_crtc->opr_event_notify_enabled = en;
return 0;
}
static int sde_crtc_vm_release_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *irq)
{
return 0;
}
static int sde_crtc_frame_data_interrupt_handler(struct drm_crtc *crtc_drm,
bool en, struct sde_irq_callback *irq)
{
return 0;
}
/**
* sde_crtc_update_cont_splash_settings - update mixer settings
* and initial clk during device bootup for cont_splash use case
* @crtc: Pointer to drm crtc structure
*/
void sde_crtc_update_cont_splash_settings(struct drm_crtc *crtc)
{
struct sde_kms *kms = NULL;
struct msm_drm_private *priv;
struct sde_crtc *sde_crtc;
u64 rate;
if (!crtc || !crtc->state || !crtc->dev || !crtc->dev->dev_private) {
SDE_ERROR("invalid crtc\n");
return;
}
priv = crtc->dev->dev_private;
kms = to_sde_kms(priv->kms);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid parameters\n");
return;
}
_sde_crtc_setup_mixers(crtc);
sde_cp_crtc_refresh_status_properties(crtc);
crtc->enabled = true;
/* update core clk value for initial state with cont-splash */
sde_crtc = to_sde_crtc(crtc);
rate = sde_power_clk_get_rate(&priv->phandle, kms->perf.clk_name);
sde_crtc->cur_perf.core_clk_rate = (rate > 0) ?
rate : kms->perf.max_core_clk_rate;
sde_crtc->cur_perf.core_clk_rate = kms->perf.max_core_clk_rate;
}
static void sde_crtc_install_noise_layer_properties(struct sde_crtc *sde_crtc,
struct sde_mdss_cfg *catalog, struct sde_kms_info *info)
{
struct sde_lm_cfg *lm;
char feature_name[256];
u32 version;
if (!catalog->mixer_count)
return;
lm = &catalog->mixer[0];
if (!(lm->features & BIT(SDE_MIXER_NOISE_LAYER)))
return;
version = lm->sblk->nlayer.version >> 16;
snprintf(feature_name, ARRAY_SIZE(feature_name), "%s%d", "noise_layer_v", version);
switch (version) {
case 1:
sde_kms_info_add_keyint(info, "has_noise_layer", 1);
msm_property_install_volatile_range(&sde_crtc->property_info,
feature_name, 0x0, 0, ~0, 0, CRTC_PROP_NOISE_LAYER_V1);
break;
default:
SDE_ERROR("unsupported noise layer version %d\n", version);
break;
}
}
static int _sde_crtc_set_noise_layer(struct sde_crtc *sde_crtc,
struct sde_crtc_state *cstate,
void __user *usr_ptr)
{
int ret;
if (!sde_crtc || !cstate) {
SDE_ERROR("invalid sde_crtc/state\n");
return -EINVAL;
}
SDE_DEBUG("crtc %s\n", sde_crtc->name);
if (!usr_ptr) {
SDE_DEBUG("noise layer removed\n");
cstate->noise_layer_en = false;
set_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty);
return 0;
}
ret = copy_from_user(&cstate->layer_cfg, usr_ptr,
sizeof(cstate->layer_cfg));
if (ret) {
SDE_ERROR("failed to copy noise layer %d\n", ret);
return -EFAULT;
}
if (cstate->layer_cfg.zposn != cstate->layer_cfg.zposattn - 1 ||
cstate->layer_cfg.zposattn >= SDE_STAGE_MAX ||
!cstate->layer_cfg.attn_factor ||
cstate->layer_cfg.attn_factor > DRM_NOISE_ATTN_MAX ||
cstate->layer_cfg.strength > DRM_NOISE_STREN_MAX ||
!cstate->layer_cfg.alpha_noise ||
cstate->layer_cfg.alpha_noise > DRM_NOISE_ATTN_MAX) {
SDE_ERROR("invalid param zposn %d zposattn %d attn_factor %d \
strength %d alpha noise %d\n", cstate->layer_cfg.zposn,
cstate->layer_cfg.zposattn, cstate->layer_cfg.attn_factor,
cstate->layer_cfg.strength, cstate->layer_cfg.alpha_noise);
return -EINVAL;
}
cstate->noise_layer_en = true;
set_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty);
return 0;
}
static void sde_cp_crtc_apply_noise(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct sde_crtc *scrtc = to_sde_crtc(crtc);
struct sde_crtc_state *cstate = to_sde_crtc_state(crtc->state);
struct sde_hw_mixer *lm;
int i;
struct sde_hw_noise_layer_cfg cfg;
struct sde_kms *kms;
if (!test_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty))
return;
kms = _sde_crtc_get_kms(crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("Invalid kms\n");
return;
}
cfg.flags = cstate->layer_cfg.flags;
cfg.alpha_noise = cstate->layer_cfg.alpha_noise;
cfg.attn_factor = cstate->layer_cfg.attn_factor;
cfg.strength = cstate->layer_cfg.strength;
if (!test_bit(SDE_FEATURE_BASE_LAYER, kms->catalog->features)) {
cfg.noise_blend_stage = cstate->layer_cfg.zposn + SDE_STAGE_0;
cfg.attn_blend_stage = cstate->layer_cfg.zposattn + SDE_STAGE_0;
} else {
cfg.noise_blend_stage = cstate->layer_cfg.zposn;
cfg.attn_blend_stage = cstate->layer_cfg.zposattn;
}
for (i = 0; i < scrtc->num_mixers; i++) {
lm = scrtc->mixers[i].hw_lm;
if (!lm->ops.setup_noise_layer)
break;
if (!cstate->noise_layer_en)
lm->ops.setup_noise_layer(lm, NULL);
else
lm->ops.setup_noise_layer(lm, &cfg);
}
if (!cstate->noise_layer_en)
clear_bit(SDE_CRTC_NOISE_LAYER, cstate->dirty);
}
void sde_crtc_disable_cp_features(struct drm_crtc *crtc)
{
sde_cp_disable_features(crtc);
if (!crtc->state->active)
sde_crtc_disable_dest_scaler(crtc);
}
void _sde_crtc_vm_release_notify(struct drm_crtc *crtc)
{
uint32_t val = 1;
sde_crtc_event_notify(crtc, DRM_EVENT_VM_RELEASE, &val, sizeof(uint32_t));
}
void sde_crtc_calc_vpadding_param(struct drm_crtc_state *state, u32 crtc_y, uint32_t crtc_h,
u32 *padding_y, u32 *padding_start, u32 *padding_height)
{
struct sde_kms *kms;
struct sde_crtc_state *cstate = to_sde_crtc_state(state);
u32 y_remain, y_start, y_end;
u32 m, n;
kms = _sde_crtc_get_kms(state->crtc);
if (!kms || !kms->catalog) {
SDE_ERROR("invalid kms or catalog\n");
return;
}
if (!kms->catalog->has_line_insertion)
return;
if (!cstate->line_insertion.padding_active) {
SDE_ERROR("zero padding active value\n");
return;
}
/*
* Computation logic to add number of dummy and active line at
* precise position on display
*/
m = cstate->line_insertion.padding_active;
n = m + cstate->line_insertion.padding_dummy;
if (m == 0)
return;
y_remain = crtc_y % m;
y_start = y_remain + crtc_y / m * n;
y_end = (((crtc_y + crtc_h - 1) / m) * n) + ((crtc_y + crtc_h - 1) % m);
*padding_y = y_start;
*padding_start = m - y_remain;
*padding_height = y_end - y_start + 1;
SDE_EVT32(DRMID(cstate->base.crtc), y_remain, y_start, y_end, *padding_y, *padding_start,
*padding_height);
SDE_DEBUG("crtc:%d padding_y:%d padding_start:%d padding_height:%d\n",
DRMID(cstate->base.crtc), *padding_y, *padding_start, *padding_height);
}
void sde_crtc_backlight_notify(struct drm_crtc *crtc, u32 bl_val, u32 bl_max)
{
SDE_EVT32(bl_val, bl_max);
sde_cp_backlight_notification(crtc, bl_val, bl_max);
}