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disp: msm: sde: Add checksum support for LTM for lahaina target

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This change adds the support for checksum collection and notifies
to user space as part of drm event.

Change-Id: Ib2a6c38c74d1fb60d274cdb685b74979202604eb
Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>
This commit is contained in:
Lakshmi Narayana Kalavala
2020-04-06 23:13:42 -07:00
parent fae3dc03b4
commit a27534e143
4 changed files with 35 additions and 5 deletions
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3
include/uapi/display/drm/msm_drm_pp.h
View File

@@ -484,6 +484,7 @@ struct drm_msm_ad4_roi_cfg {
#define LTM_STATS_SAT (1 << 1)
#define LTM_STATS_MERGE_SAT (1 << 2)
#define LTM_HIST_CHECKSUM_SUPPORT (1 << 0)
/*
* struct drm_msm_ltm_stats_data - LTM stats data structure
@@ -507,6 +508,8 @@ struct drm_msm_ltm_stats_data {
__u32 cfg_param_02;
__u32 cfg_param_03;
__u32 cfg_param_04;
__u32 feature_flag;
__u32 checksum;
};
/*

13
msm/sde/sde_color_processing.c
View File

@@ -3801,6 +3801,19 @@ static void sde_cp_ltm_hist_interrupt_cb(void *arg, int irq_idx)
ltm_data = (struct drm_msm_ltm_stats_data *)
((u8 *)sde_crtc->ltm_buffers[idx]->kva +
sde_crtc->ltm_buffers[idx]->offset);
hw_dspp = sde_crtc->mixers[0].hw_dspp;
if (!hw_dspp) {
spin_unlock_irqrestore(&sde_crtc->ltm_lock, irq_flags);
DRM_ERROR("invalid dspp for mixer %d\n", i);
return;
}
if (hw_dspp->ltm_checksum_support) {
ltm_data->feature_flag |= LTM_HIST_CHECKSUM_SUPPORT;
ltm_data->checksum = ltm_data->status_flag;
} else
ltm_data->feature_flag &= ~LTM_HIST_CHECKSUM_SUPPORT;
ltm_data->status_flag = ltm_hist_status;
hw_lm = sde_crtc->mixers[0].hw_lm;

22
msm/sde/sde_hw_dspp.c
View File

@@ -227,7 +227,8 @@ static void dspp_ltm(struct sde_hw_dspp *c)
{
int ret = 0;
if (c->cap->sblk->ltm.version == SDE_COLOR_PROCESS_VER(0x1, 0x0)) {
if (c->cap->sblk->ltm.version == SDE_COLOR_PROCESS_VER(0x1, 0x0) ||
c->cap->sblk->ltm.version == SDE_COLOR_PROCESS_VER(0x1, 0x1)) {
ret = reg_dmav1_init_ltm_op_v6(SDE_LTM_INIT, c->idx);
if (!ret)
ret = reg_dmav1_init_ltm_op_v6(SDE_LTM_ROI, c->idx);
@@ -238,15 +239,26 @@ static void dspp_ltm(struct sde_hw_dspp *c)
c->ops.setup_ltm_init = reg_dmav1_setup_ltm_initv1;
c->ops.setup_ltm_roi = reg_dmav1_setup_ltm_roiv1;
c->ops.setup_ltm_vlut = reg_dmav1_setup_ltm_vlutv1;
c->ops.setup_ltm_thresh = sde_setup_dspp_ltm_threshv1;
c->ops.setup_ltm_hist_ctrl =
sde_setup_dspp_ltm_hist_ctrlv1;
c->ops.setup_ltm_hist_buffer =
sde_setup_dspp_ltm_hist_bufferv1;
c->ops.ltm_read_intr_status = sde_ltm_read_intr_status;
} else {
c->ops.setup_ltm_init = NULL;
c->ops.setup_ltm_roi = NULL;
c->ops.setup_ltm_vlut = NULL;
c->ops.setup_ltm_thresh = NULL;
c->ops.setup_ltm_hist_ctrl = NULL;
c->ops.setup_ltm_hist_buffer = NULL;
c->ops.ltm_read_intr_status = NULL;
}
c->ops.setup_ltm_thresh = sde_setup_dspp_ltm_threshv1;
c->ops.setup_ltm_hist_ctrl = sde_setup_dspp_ltm_hist_ctrlv1;
c->ops.setup_ltm_hist_buffer = sde_setup_dspp_ltm_hist_bufferv1;
c->ops.ltm_read_intr_status = sde_ltm_read_intr_status;
if (!ret && c->cap->sblk->ltm.version ==
SDE_COLOR_PROCESS_VER(0x1, 0x1))
c->ltm_checksum_support = true;
else
c->ltm_checksum_support = false;
}
}

2
msm/sde/sde_hw_dspp.h
View File

@@ -287,6 +287,7 @@ struct sde_hw_dspp_ops {
* @cap: Pointer to layer_cfg
* @sb_dma_in_use: hint indicating if sb dma is being used for this dspp
* @ops: Pointer to operations possible for this DSPP
* @ltm_checksum_support: flag to check if checksum present
*/
struct sde_hw_dspp {
struct sde_hw_blk base;
@@ -299,6 +300,7 @@ struct sde_hw_dspp {
enum sde_dspp idx;
const struct sde_dspp_cfg *cap;
bool sb_dma_in_use;
bool ltm_checksum_support;
/* Ops */
struct sde_hw_dspp_ops ops;