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Merge "disp: msm: sde/dsi: reduce display cyclomatic complexity"

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This commit is contained in:
qctecmdr
2022-01-10 20:44:01 -08:00
committed by Gerrit - the friendly Code Review server
parent 27a32126fe 644927312e
commit 355017e478
2 changed files with 166 additions and 115 deletions
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109
msm/dsi/dsi_drm.c
View File

@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
*/
@@ -395,6 +396,63 @@ static void dsi_bridge_mode_set(struct drm_bridge *bridge,
DSI_DEBUG("clk_rate: %llu\n", c_bridge->dsi_mode.timing.clk_rate_hz);
}
static bool _dsi_bridge_mode_validate_and_fixup(struct drm_bridge *bridge,
struct drm_crtc_state *crtc_state, struct dsi_display *display,
struct dsi_display_mode *adj_mode)
{
int rc = 0;
struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
struct dsi_display_mode cur_dsi_mode;
struct sde_connector_state *old_conn_state;
struct drm_display_mode *cur_mode;
if (!bridge->encoder || !bridge->encoder->crtc || !crtc_state->crtc) {
DSI_ERR("invalid params\n");
return -EINVAL;
}
cur_mode = &crtc_state->crtc->state->mode;
old_conn_state = to_sde_connector_state(display->drm_conn->state);
convert_to_dsi_mode(cur_mode, &cur_dsi_mode);
msm_parse_mode_priv_info(&old_conn_state->msm_mode, &cur_dsi_mode);
rc = dsi_display_validate_mode_change(c_bridge->display, &cur_dsi_mode, adj_mode);
if (rc) {
DSI_ERR("[%s] seamless mode mismatch failure rc=%d\n", c_bridge->display->name, rc);
return rc;
}
/*
* DMS Flag if set during active changed condition cannot be
* treated as seamless. Hence, removing DMS flag in such cases.
*/
if ((adj_mode->dsi_mode_flags & DSI_MODE_FLAG_DMS) &&
crtc_state->active_changed)
adj_mode->dsi_mode_flags &= ~DSI_MODE_FLAG_DMS;
/* No DMS/VRR when drm pipeline is changing */
if (!dsi_display_mode_match(&cur_dsi_mode, adj_mode,
DSI_MODE_MATCH_FULL_TIMINGS) &&
(!(adj_mode->dsi_mode_flags & DSI_MODE_FLAG_VRR)) &&
(!(adj_mode->dsi_mode_flags & DSI_MODE_FLAG_DYN_CLK)) &&
(!(adj_mode->dsi_mode_flags & DSI_MODE_FLAG_POMS_TO_VID)) &&
(!(adj_mode->dsi_mode_flags & DSI_MODE_FLAG_POMS_TO_CMD)) &&
(!crtc_state->active_changed ||
display->is_cont_splash_enabled)) {
adj_mode->dsi_mode_flags |= DSI_MODE_FLAG_DMS;
SDE_EVT32(SDE_EVTLOG_FUNC_CASE2,
adj_mode->timing.h_active,
adj_mode->timing.v_active,
adj_mode->timing.refresh_rate,
adj_mode->pixel_clk_khz,
adj_mode->panel_mode_caps);
}
return rc;
}
static bool dsi_bridge_mode_fixup(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@@ -402,10 +460,10 @@ static bool dsi_bridge_mode_fixup(struct drm_bridge *bridge,
int rc = 0;
struct dsi_bridge *c_bridge = to_dsi_bridge(bridge);
struct dsi_display *display;
struct dsi_display_mode dsi_mode, cur_dsi_mode, *panel_dsi_mode;
struct dsi_display_mode dsi_mode, *panel_dsi_mode;
struct drm_crtc_state *crtc_state;
struct drm_connector_state *drm_conn_state;
struct sde_connector_state *conn_state, *old_conn_state;
struct sde_connector_state *conn_state;
struct msm_sub_mode new_sub_mode;
crtc_state = container_of(mode, struct drm_crtc_state, mode);
@@ -481,49 +539,10 @@ static bool dsi_bridge_mode_fixup(struct drm_bridge *bridge,
return false;
}
if (bridge->encoder && bridge->encoder->crtc &&
crtc_state->crtc) {
const struct drm_display_mode *cur_mode =
&crtc_state->crtc->state->mode;
old_conn_state = to_sde_connector_state(display->drm_conn->state);
convert_to_dsi_mode(cur_mode, &cur_dsi_mode);
msm_parse_mode_priv_info(&old_conn_state->msm_mode, &cur_dsi_mode);
rc = dsi_display_validate_mode_change(c_bridge->display,
&cur_dsi_mode, &dsi_mode);
if (rc) {
DSI_ERR("[%s] seamless mode mismatch failure rc=%d\n",
c_bridge->display->name, rc);
return false;
}
/*
* DMS Flag if set during active changed condition cannot be
* treated as seamless. Hence, removing DMS flag in such cases.
*/
if ((dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_DMS) &&
crtc_state->active_changed)
dsi_mode.dsi_mode_flags &= ~DSI_MODE_FLAG_DMS;
/* No DMS/VRR when drm pipeline is changing */
if (!dsi_display_mode_match(&cur_dsi_mode, &dsi_mode,
DSI_MODE_MATCH_FULL_TIMINGS) &&
(!(dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_VRR)) &&
(!(dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_DYN_CLK)) &&
(!(dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_POMS_TO_VID)) &&
(!(dsi_mode.dsi_mode_flags & DSI_MODE_FLAG_POMS_TO_CMD)) &&
(!crtc_state->active_changed ||
display->is_cont_splash_enabled)) {
dsi_mode.dsi_mode_flags |= DSI_MODE_FLAG_DMS;
SDE_EVT32(SDE_EVTLOG_FUNC_CASE2,
dsi_mode.timing.h_active,
dsi_mode.timing.v_active,
dsi_mode.timing.refresh_rate,
dsi_mode.pixel_clk_khz,
dsi_mode.panel_mode_caps);
}
rc = _dsi_bridge_mode_validate_and_fixup(bridge, crtc_state, display, &dsi_mode);
if (rc) {
DSI_ERR("[%s] failed to validate dsi bridge mode.\n", display->name);
return false;
}
/* Reject seamless transition when active changed */

172
msm/sde/sde_encoder.c
View File

@@ -1481,6 +1481,61 @@ static int _sde_encoder_rsc_client_update_vsync_wait(
return ret;
}
static int _sde_encoder_rsc_state_trigger(struct drm_encoder *drm_enc, enum sde_rsc_state rsc_state)
{
struct sde_encoder_virt *sde_enc;
struct msm_display_info *disp_info;
struct sde_rsc_cmd_config *rsc_config;
struct drm_crtc *crtc;
int wait_vblank_crtc_id = SDE_RSC_INVALID_CRTC_ID;
int ret;
/**
* Already checked drm_enc, sde_enc is valid in function
* _sde_encoder_update_rsc_client() which pass the parameters
* to this function.
*/
sde_enc = to_sde_encoder_virt(drm_enc);
crtc = sde_enc->crtc;
disp_info = &sde_enc->disp_info;
rsc_config = &sde_enc->rsc_config;
if (rsc_state != SDE_RSC_IDLE_STATE && !sde_enc->rsc_state_init
&& (disp_info->display_type == SDE_CONNECTOR_PRIMARY)) {
/* update it only once */
sde_enc->rsc_state_init = true;
ret = sde_rsc_client_state_update(sde_enc->rsc_client,
rsc_state, rsc_config, crtc->base.id,
&wait_vblank_crtc_id);
} else {
ret = sde_rsc_client_state_update(sde_enc->rsc_client,
rsc_state, NULL, crtc->base.id,
&wait_vblank_crtc_id);
}
/**
* if RSC performed a state change that requires a VBLANK wait, it will
* set wait_vblank_crtc_id to the CRTC whose VBLANK we must wait on.
*
* if we are the primary display, we will need to enable and wait
* locally since we hold the commit thread
*
* if we are an external display, we must send a signal to the primary
* to enable its VBLANK and wait one, since the RSC hardware is driven
* by the primary panel's VBLANK signals
*/
SDE_EVT32_VERBOSE(DRMID(drm_enc), wait_vblank_crtc_id);
if (ret) {
SDE_ERROR_ENC(sde_enc, "sde rsc client update failed ret:%d\n", ret);
} else if (wait_vblank_crtc_id != SDE_RSC_INVALID_CRTC_ID) {
ret = _sde_encoder_rsc_client_update_vsync_wait(drm_enc,
sde_enc, wait_vblank_crtc_id);
}
return ret;
}
static int _sde_encoder_update_rsc_client(
struct drm_encoder *drm_enc, bool enable)
{
@@ -1491,7 +1546,6 @@ static int _sde_encoder_update_rsc_client(
int ret;
struct msm_display_info *disp_info;
struct msm_mode_info *mode_info;
int wait_vblank_crtc_id = SDE_RSC_INVALID_CRTC_ID;
u32 qsync_mode = 0, v_front_porch;
struct drm_display_mode *mode;
bool is_vid_mode;
@@ -1575,42 +1629,7 @@ static int _sde_encoder_update_rsc_client(
SDE_EVT32(DRMID(drm_enc), rsc_state, qsync_mode,
rsc_config->fps, sde_enc->rsc_state_init);
if (rsc_state != SDE_RSC_IDLE_STATE && !sde_enc->rsc_state_init
&& (disp_info->display_type == SDE_CONNECTOR_PRIMARY)) {
/* update it only once */
sde_enc->rsc_state_init = true;
ret = sde_rsc_client_state_update(sde_enc->rsc_client,
rsc_state, rsc_config, crtc->base.id,
&wait_vblank_crtc_id);
} else {
ret = sde_rsc_client_state_update(sde_enc->rsc_client,
rsc_state, NULL, crtc->base.id,
&wait_vblank_crtc_id);
}
/**
* if RSC performed a state change that requires a VBLANK wait, it will
* set wait_vblank_crtc_id to the CRTC whose VBLANK we must wait on.
*
* if we are the primary display, we will need to enable and wait
* locally since we hold the commit thread
*
* if we are an external display, we must send a signal to the primary
* to enable its VBLANK and wait one, since the RSC hardware is driven
* by the primary panel's VBLANK signals
*/
SDE_EVT32_VERBOSE(DRMID(drm_enc), wait_vblank_crtc_id);
if (ret) {
SDE_ERROR_ENC(sde_enc,
"sde rsc client update failed ret:%d\n", ret);
return ret;
} else if (wait_vblank_crtc_id == SDE_RSC_INVALID_CRTC_ID) {
return ret;
}
ret = _sde_encoder_rsc_client_update_vsync_wait(drm_enc,
sde_enc, wait_vblank_crtc_id);
ret = _sde_encoder_rsc_state_trigger(drm_enc, rsc_state);
return ret;
}
@@ -4281,6 +4300,50 @@ void sde_encoder_needs_hw_reset(struct drm_encoder *drm_enc)
}
}
static int _sde_encoder_prepare_for_kickoff_processing(struct drm_encoder *drm_enc,
struct sde_encoder_kickoff_params *params,
struct sde_encoder_virt *sde_enc,
struct sde_kms *sde_kms,
bool needs_hw_reset, bool is_cmd_mode)
{
int rc, ret = 0;
/* if any phys needs reset, reset all phys, in-order */
if (needs_hw_reset)
sde_encoder_needs_hw_reset(drm_enc);
_sde_encoder_update_master(drm_enc, params);
_sde_encoder_update_roi(drm_enc);
if (sde_enc->cur_master && sde_enc->cur_master->connector) {
rc = sde_connector_pre_kickoff(sde_enc->cur_master->connector);
if (rc) {
SDE_ERROR_ENC(sde_enc, "kickoff conn%d failed rc %d\n",
sde_enc->cur_master->connector->base.id, rc);
ret = rc;
}
}
if (sde_enc->cur_master &&
((is_cmd_mode && sde_enc->cur_master->cont_splash_enabled) ||
!sde_enc->cur_master->cont_splash_enabled)) {
rc = sde_encoder_dce_setup(sde_enc, params);
if (rc) {
SDE_ERROR_ENC(sde_enc, "failed to setup DSC: %d\n", rc);
ret = rc;
}
}
sde_encoder_dce_flush(sde_enc);
if (sde_enc->cur_master && !sde_enc->cur_master->cont_splash_enabled)
sde_configure_qdss(sde_enc, sde_enc->cur_master->hw_qdss,
sde_enc->cur_master, sde_kms->qdss_enabled);
return ret;
}
int sde_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc,
struct sde_encoder_kickoff_params *params)
{
@@ -4354,39 +4417,8 @@ int sde_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc,
goto end;
}
/* if any phys needs reset, reset all phys, in-order */
if (needs_hw_reset)
sde_encoder_needs_hw_reset(drm_enc);
_sde_encoder_update_master(drm_enc, params);
_sde_encoder_update_roi(drm_enc);
if (sde_enc->cur_master && sde_enc->cur_master->connector) {
rc = sde_connector_pre_kickoff(sde_enc->cur_master->connector);
if (rc) {
SDE_ERROR_ENC(sde_enc, "kickoff conn%d failed rc %d\n",
sde_enc->cur_master->connector->base.id,
rc);
ret = rc;
}
}
if (sde_enc->cur_master &&
((is_cmd_mode && sde_enc->cur_master->cont_splash_enabled) ||
!sde_enc->cur_master->cont_splash_enabled)) {
rc = sde_encoder_dce_setup(sde_enc, params);
if (rc) {
SDE_ERROR_ENC(sde_enc, "failed to setup DSC: %d\n", rc);
ret = rc;
}
}
sde_encoder_dce_flush(sde_enc);
if (sde_enc->cur_master && !sde_enc->cur_master->cont_splash_enabled)
sde_configure_qdss(sde_enc, sde_enc->cur_master->hw_qdss,
sde_enc->cur_master, sde_kms->qdss_enabled);
ret = _sde_encoder_prepare_for_kickoff_processing(drm_enc, params, sde_enc, sde_kms,
needs_hw_reset, is_cmd_mode);
end:
SDE_ATRACE_END("sde_encoder_prepare_for_kickoff");