The funcitons _dpu_crtc_blend_setup() and _dpu_crtc_blend_setup_mixer()
have an intertwined mixture of CTL and LM-related code. Split these two
functions into LM-specific and CTL-specific parts, making both code
paths clean and observable.
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 101 +++++++++++++---------
drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h | 10 +--
2 files changed, 63 insertions(+), 48 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index e6c33022d560..ada7d5750536 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -336,27 +336,23 @@ static void _dpu_crtc_program_lm_output_roi(struct
drm_crtc *crtc)
}
}
-static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
- struct dpu_crtc *dpu_crtc, struct dpu_crtc_mixer *mixer,
- struct dpu_hw_stage_cfg *stage_cfg)
+static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc)
{
+ struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc->state);
+ struct dpu_crtc_mixer *mixer = cstate->mixers;
struct drm_plane *plane;
struct drm_framebuffer *fb;
struct drm_plane_state *state;
- struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc->state);
struct dpu_plane_state *pstate = NULL;
struct dpu_format *format;
- struct dpu_hw_ctl *ctl = mixer->lm_ctl;
-
+ int i;
uint32_t stage_idx, lm_idx;
- int zpos_cnt[DPU_STAGE_MAX + 1] = { 0 };
bool bg_alpha_enable = false;
- DECLARE_BITMAP(fetch_active, SSPP_MAX);
- memset(fetch_active, 0, sizeof(fetch_active));
- drm_atomic_crtc_for_each_plane(plane, crtc) {
- enum dpu_sspp sspp_idx;
+ for (i = 0; i < cstate->num_mixers; i++)
+ mixer[i].mixer_op_mode = 0;
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
state = plane->state;
if (!state)
continue;
@@ -364,14 +360,10 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc
*crtc,
pstate = to_dpu_plane_state(state);
fb = state->fb;
- sspp_idx = pstate->pipe_hw->idx;
- set_bit(sspp_idx, fetch_active);
-
- DRM_DEBUG_ATOMIC("crtc %d stage:%d - plane %d sspp %d fb %d\n",
+ DRM_DEBUG_ATOMIC("crtc %d stage:%d - plane %d fb %d\n",
crtc->base.id,
pstate->stage,
plane->base.id,
- sspp_idx - SSPP_VIG0,
state->fb ? state->fb->base.id : -1);
format = to_dpu_format(msm_framebuffer_format(pstate->base.fb));
@@ -379,15 +371,8 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc
*crtc,
if (pstate->stage == DPU_STAGE_BASE && format->alpha_enable)
bg_alpha_enable = true;
- stage_idx = zpos_cnt[pstate->stage]++;
- stage_cfg->stage[pstate->stage][stage_idx] =
- sspp_idx;
- stage_cfg->multirect_index[pstate->stage][stage_idx] =
- pstate->multirect_index;
-
trace_dpu_crtc_setup_mixer(DRMID(crtc), DRMID(plane),
state, pstate, stage_idx,
- sspp_idx - SSPP_VIG0,
format->base.pixel_format,
fb ? fb->modifier : 0);
@@ -396,8 +381,6 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc
*crtc,
_dpu_crtc_setup_blend_cfg(mixer + lm_idx,
pstate, format);
-
mixer[lm_idx].lm_ctl->ops.update_pending_flush_sspp(mixer[lm_idx].lm_ctl,
sspp_idx);
-
if (bg_alpha_enable && !format->alpha_enable)
mixer[lm_idx].mixer_op_mode = 0;
else
@@ -406,17 +389,22 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc
*crtc,
}
}
- if (ctl->ops.set_active_pipes)
- ctl->ops.set_active_pipes(ctl, fetch_active);
-
_dpu_crtc_program_lm_output_roi(crtc);
+
+ for (i = 0; i < cstate->num_mixers; i++) {
+ struct dpu_hw_mixer *lm;
+
+ lm = mixer[i].hw_lm;
+
+ lm->ops.setup_alpha_out(lm, mixer[i].mixer_op_mode);
+
+ DRM_DEBUG_ATOMIC("lm %d, op_mode 0x%X\n",
+ mixer[i].hw_lm->idx - LM_0,
+ mixer[i].mixer_op_mode);
+ }
}
-/**
- * _dpu_crtc_blend_setup - configure crtc mixers
- * @crtc: Pointer to drm crtc structure
- */
-static void _dpu_crtc_blend_setup(struct drm_crtc *crtc)
+static void _dpu_crtc_blend_setup_ctl(struct drm_crtc *crtc)
{
struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc);
struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc->state);
@@ -425,34 +413,62 @@ static void _dpu_crtc_blend_setup(struct drm_crtc *crtc)
struct dpu_hw_mixer *lm;
struct dpu_hw_stage_cfg stage_cfg;
int i;
+ struct drm_plane *plane;
+ struct drm_plane_state *state;
+ struct dpu_plane_state *pstate = NULL;
+
+ uint32_t stage_idx, lm_idx;
+ int zpos_cnt[DPU_STAGE_MAX + 1] = { 0 };
+ DECLARE_BITMAP(fetch_active, SSPP_MAX);
DRM_DEBUG_ATOMIC("%s\n", dpu_crtc->name);
- for (i = 0; i < cstate->num_mixers; i++) {
- mixer[i].mixer_op_mode = 0;
+ for (i = 0; i < cstate->num_mixers; i++)
if (mixer[i].lm_ctl->ops.clear_all_blendstages)
mixer[i].lm_ctl->ops.clear_all_blendstages(
mixer[i].lm_ctl);
- }
/* initialize stage cfg */
memset(&stage_cfg, 0, sizeof(struct dpu_hw_stage_cfg));
- _dpu_crtc_blend_setup_mixer(crtc, dpu_crtc, mixer, &stage_cfg);
+ memset(fetch_active, 0, sizeof(fetch_active));
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ enum dpu_sspp sspp_idx;
+
+ state = plane->state;
+ if (!state)
+ continue;
+
+ pstate = to_dpu_plane_state(state);
+
+ sspp_idx = pstate->pipe_hw->idx;
+ set_bit(sspp_idx, fetch_active);
+
+ stage_idx = zpos_cnt[pstate->stage]++;
+ stage_cfg.stage[pstate->stage][stage_idx] =
+ sspp_idx;
+ stage_cfg.multirect_index[pstate->stage][stage_idx] =
+ pstate->multirect_index;
+
+ /* blend config update */
+ for (lm_idx = 0; lm_idx < cstate->num_mixers; lm_idx++)
+
mixer[lm_idx].lm_ctl->ops.update_pending_flush_sspp(mixer[lm_idx].lm_ctl,
sspp_idx);
+ }
+
+ ctl = mixer->lm_ctl;
+ if (ctl->ops.set_active_pipes)
+ ctl->ops.set_active_pipes(ctl, fetch_active);
for (i = 0; i < cstate->num_mixers; i++) {
ctl = mixer[i].lm_ctl;
lm = mixer[i].hw_lm;
- lm->ops.setup_alpha_out(lm, mixer[i].mixer_op_mode);
-
/* stage config flush mask */
ctl->ops.update_pending_flush_mixer(ctl,
mixer[i].hw_lm->idx);
- DRM_DEBUG_ATOMIC("lm %d, op_mode 0x%X, ctl %d\n",
+ DRM_DEBUG_ATOMIC("lm %d, ctl %d\n",
mixer[i].hw_lm->idx - LM_0,
- mixer[i].mixer_op_mode,
ctl->idx - CTL_0);
ctl->ops.setup_blendstage(ctl, mixer[i].hw_lm->idx,
@@ -731,7 +747,8 @@ static void dpu_crtc_atomic_begin(struct drm_crtc *crtc,
if (unlikely(!cstate->num_mixers))
return;
- _dpu_crtc_blend_setup(crtc);
+ _dpu_crtc_blend_setup_mixer(crtc);
+ _dpu_crtc_blend_setup_ctl(crtc);
_dpu_crtc_setup_cp_blocks(crtc);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
index 54d74341e690..ecd2f371374d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
@@ -632,9 +632,9 @@ TRACE_EVENT(dpu_enc_phys_vid_irq_ctrl,
TRACE_EVENT(dpu_crtc_setup_mixer,
TP_PROTO(uint32_t crtc_id, uint32_t plane_id,
struct drm_plane_state *state, struct dpu_plane_state *pstate,
- uint32_t stage_idx, enum dpu_sspp sspp, uint32_t pixel_format,
+ uint32_t stage_idx, uint32_t pixel_format,
uint64_t modifier),
- TP_ARGS(crtc_id, plane_id, state, pstate, stage_idx, sspp,
+ TP_ARGS(crtc_id, plane_id, state, pstate, stage_idx,
pixel_format, modifier),
TP_STRUCT__entry(
__field( uint32_t, crtc_id )
@@ -644,7 +644,6 @@ TRACE_EVENT(dpu_crtc_setup_mixer,
__field_struct( struct drm_rect, dst_rect )
__field( uint32_t, stage_idx )
__field( enum dpu_stage, stage )
- __field( enum dpu_sspp, sspp )
__field( uint32_t, multirect_idx )
__field( uint32_t, multirect_mode )
__field( uint32_t, pixel_format )
@@ -658,20 +657,19 @@ TRACE_EVENT(dpu_crtc_setup_mixer,
__entry->dst_rect = drm_plane_state_dest(state);
__entry->stage_idx = stage_idx;
__entry->stage = pstate->stage;
- __entry->sspp = sspp;
__entry->multirect_idx = pstate->multirect_index;
__entry->multirect_mode = pstate->multirect_mode;
__entry->pixel_format = pixel_format;
__entry->modifier = modifier;
),
TP_printk("crtc_id:%u plane_id:%u fb_id:%u src:" DRM_RECT_FP_FMT
- " dst:" DRM_RECT_FMT " stage_idx:%u stage:%d, sspp:%d "
+ " dst:" DRM_RECT_FMT " stage_idx:%u stage:%d, "
"multirect_index:%d multirect_mode:%u pix_format:%u "
"modifier:%llu",
__entry->crtc_id, __entry->plane_id, __entry->fb_id,
DRM_RECT_FP_ARG(&__entry->src_rect),
DRM_RECT_ARG(&__entry->dst_rect),
- __entry->stage_idx, __entry->stage, __entry->sspp,
+ __entry->stage_idx, __entry->stage,
__entry->multirect_idx, __entry->multirect_mode,
__entry->pixel_format, __entry->modifier)
);
--
2.34.1
