1 files changed, 73 insertions, 42 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 2f8156051d9b..c39f1908ea65 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -200,7 +200,7 @@ static int dpu_crtc_get_lm_crc(struct drm_crtc *crtc,
 		struct dpu_crtc_state *crtc_state)
 {
 	struct dpu_crtc_mixer *m;
-	u32 crcs[CRTC_DUAL_MIXERS];
+	u32 crcs[CRTC_QUAD_MIXERS];
 
 	int rc = 0;
 	int i;
@@ -400,7 +400,7 @@ static void _dpu_crtc_program_lm_output_roi(struct drm_crtc *crtc)
 static void _dpu_crtc_blend_setup_pipe(struct drm_crtc *crtc,
 				       struct drm_plane *plane,
 				       struct dpu_crtc_mixer *mixer,
-				       u32 num_mixers,
+				       u32 lms_in_pair,
 				       enum dpu_stage stage,
 				       const struct msm_format *format,
 				       uint64_t modifier,
@@ -419,7 +419,7 @@ static void _dpu_crtc_blend_setup_pipe(struct drm_crtc *crtc,
 
 	trace_dpu_crtc_setup_mixer(DRMID(crtc), DRMID(plane),
 				   state, to_dpu_plane_state(state), stage_idx,
-				   format->pixel_format,
+				   format->pixel_format, pipe,
 				   modifier);
 
 	DRM_DEBUG_ATOMIC("crtc %d stage:%d - plane %d sspp %d fb %d multirect_idx %d\n",
@@ -434,7 +434,7 @@ static void _dpu_crtc_blend_setup_pipe(struct drm_crtc *crtc,
 	stage_cfg->multirect_index[stage][stage_idx] = pipe->multirect_index;
 
 	/* blend config update */
-	for (lm_idx = 0; lm_idx < num_mixers; lm_idx++)
+	for (lm_idx = 0; lm_idx < lms_in_pair; lm_idx++)
 		mixer[lm_idx].lm_ctl->ops.update_pending_flush_sspp(mixer[lm_idx].lm_ctl, sspp_idx);
 }
 
@@ -449,7 +449,7 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
 	struct dpu_plane_state *pstate = NULL;
 	const struct msm_format *format;
 	struct dpu_hw_ctl *ctl = mixer->lm_ctl;
-	u32 lm_idx;
+	u32 lm_idx, stage, i, pipe_idx, head_pipe_in_stage, lms_in_pair;
 	bool bg_alpha_enable = false;
 	DECLARE_BITMAP(active_fetch, SSPP_MAX);
 	DECLARE_BITMAP(active_pipes, SSPP_MAX);
@@ -472,22 +472,25 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
 		if (pstate->stage == DPU_STAGE_BASE && format->alpha_enable)
 			bg_alpha_enable = true;
 
-		set_bit(pstate->pipe.sspp->idx, active_fetch);
-		set_bit(pstate->pipe.sspp->idx, active_pipes);
-		_dpu_crtc_blend_setup_pipe(crtc, plane,
-					   mixer, cstate->num_mixers,
-					   pstate->stage,
-					   format, fb ? fb->modifier : 0,
-					   &pstate->pipe, 0, stage_cfg);
-
-		if (pstate->r_pipe.sspp) {
-			set_bit(pstate->r_pipe.sspp->idx, active_fetch);
-			set_bit(pstate->r_pipe.sspp->idx, active_pipes);
-			_dpu_crtc_blend_setup_pipe(crtc, plane,
-						   mixer, cstate->num_mixers,
-						   pstate->stage,
-						   format, fb ? fb->modifier : 0,
-						   &pstate->r_pipe, 1, stage_cfg);
+		/* loop pipe per mixer pair with config in stage structure */
+		for (stage = 0; stage < STAGES_PER_PLANE; stage++) {
+			head_pipe_in_stage = stage * PIPES_PER_STAGE;
+			for (i = 0; i < PIPES_PER_STAGE; i++) {
+				pipe_idx = i + head_pipe_in_stage;
+				if (!pstate->pipe[pipe_idx].sspp)
+					continue;
+				lms_in_pair = min(cstate->num_mixers - (stage * PIPES_PER_STAGE),
+						  PIPES_PER_STAGE);
+				set_bit(pstate->pipe[pipe_idx].sspp->idx, active_fetch);
+				set_bit(pstate->pipe[pipe_idx].sspp->idx, active_pipes);
+				_dpu_crtc_blend_setup_pipe(crtc, plane,
+							   &mixer[head_pipe_in_stage],
+							   lms_in_pair,
+							   pstate->stage,
+							   format, fb ? fb->modifier : 0,
+							   &pstate->pipe[pipe_idx], i,
+							   &stage_cfg[stage]);
+			}
 		}
 
 		/* blend config update */
@@ -523,7 +526,7 @@ static void _dpu_crtc_blend_setup(struct drm_crtc *crtc)
 	struct dpu_crtc_mixer *mixer = cstate->mixers;
 	struct dpu_hw_ctl *ctl;
 	struct dpu_hw_mixer *lm;
-	struct dpu_hw_stage_cfg stage_cfg;
+	struct dpu_hw_stage_cfg stage_cfg[STAGES_PER_PLANE];
 	DECLARE_BITMAP(active_lms, LM_MAX);
 	int i;
 
@@ -544,10 +547,10 @@ static void _dpu_crtc_blend_setup(struct drm_crtc *crtc)
 	}
 
 	/* initialize stage cfg */
-	memset(&stage_cfg, 0, sizeof(struct dpu_hw_stage_cfg));
+	memset(&stage_cfg, 0, sizeof(stage_cfg));
 	memset(active_lms, 0, sizeof(active_lms));
 
-	_dpu_crtc_blend_setup_mixer(crtc, dpu_crtc, mixer, &stage_cfg);
+	_dpu_crtc_blend_setup_mixer(crtc, dpu_crtc, mixer, stage_cfg);
 
 	for (i = 0; i < cstate->num_mixers; i++) {
 		ctl = mixer[i].lm_ctl;
@@ -568,13 +571,17 @@ static void _dpu_crtc_blend_setup(struct drm_crtc *crtc)
 			mixer[i].mixer_op_mode,
 			ctl->idx - CTL_0);
 
+		/*
+		 * call dpu_hw_ctl_setup_blendstage() to blend layers per stage cfg.
+		 * stage data is shared between PIPES_PER_STAGE pipes.
+		 */
 		if (ctl->ops.setup_blendstage)
 			ctl->ops.setup_blendstage(ctl, mixer[i].hw_lm->idx,
-						  &stage_cfg);
+				&stage_cfg[i / PIPES_PER_STAGE]);
 
 		if (lm->ops.setup_blendstage)
 			lm->ops.setup_blendstage(lm, mixer[i].hw_lm->idx,
-						 &stage_cfg);
+				&stage_cfg[i / PIPES_PER_STAGE]);
 	}
 }
 
@@ -1310,7 +1317,7 @@ done:
 	return ret;
 }
 
-#define MAX_CHANNELS_PER_CRTC 2
+#define MAX_CHANNELS_PER_CRTC PIPES_PER_PLANE
 #define MAX_HDISPLAY_SPLIT 1080
 
 static struct msm_display_topology dpu_crtc_get_topology(
@@ -1321,6 +1328,7 @@ static struct msm_display_topology dpu_crtc_get_topology(
 	struct drm_display_mode *mode = &crtc_state->adjusted_mode;
 	struct msm_display_topology topology = {0};
 	struct drm_encoder *drm_enc;
+	u32 num_rt_intf;
 
 	drm_for_each_encoder_mask(drm_enc, crtc->dev, crtc_state->encoder_mask)
 		dpu_encoder_update_topology(drm_enc, &topology, crtc_state->state,
@@ -1334,11 +1342,14 @@ static struct msm_display_topology dpu_crtc_get_topology(
 	 * Dual display
 	 * 2 LM, 2 INTF ( Split display using 2 interfaces)
 	 *
+	 * If DSC is enabled, try to use 4:4:2 topology if there is enough
+	 * resource. Otherwise, use 2:2:2 topology.
+	 *
 	 * Single display
 	 * 1 LM, 1 INTF
 	 * 2 LM, 1 INTF (stream merge to support high resolution interfaces)
 	 *
-	 * If DSC is enabled, use 2 LMs for 2:2:1 topology
+	 * If DSC is enabled, use 2:2:1 topology
 	 *
 	 * Add dspps to the reservation requirements if ctm is requested
 	 *
@@ -1350,14 +1361,23 @@ static struct msm_display_topology dpu_crtc_get_topology(
 	 * (mode->hdisplay > MAX_HDISPLAY_SPLIT) check.
 	 */
 
-	if (topology.num_intf == 2 && !topology.cwb_enabled)
-		topology.num_lm = 2;
-	else if (topology.num_dsc == 2)
+	num_rt_intf = topology.num_intf;
+	if (topology.cwb_enabled)
+		num_rt_intf--;
+
+	if (topology.num_dsc) {
+		if (dpu_kms->catalog->dsc_count >= num_rt_intf * 2)
+			topology.num_dsc = num_rt_intf * 2;
+		else
+			topology.num_dsc = num_rt_intf;
+		topology.num_lm = topology.num_dsc;
+	} else if (num_rt_intf == 2) {
 		topology.num_lm = 2;
-	else if (dpu_kms->catalog->caps->has_3d_merge)
+	} else if (dpu_kms->catalog->caps->has_3d_merge) {
 		topology.num_lm = (mode->hdisplay > MAX_HDISPLAY_SPLIT) ? 2 : 1;
-	else
+	} else {
 		topology.num_lm = 1;
+	}
 
 	if (crtc_state->ctm)
 		topology.num_dspp = topology.num_lm;
@@ -1600,6 +1620,17 @@ int dpu_crtc_vblank(struct drm_crtc *crtc, bool en)
 	return 0;
 }
 
+/**
+ * dpu_crtc_get_num_lm - Get mixer number in this CRTC pipeline
+ * @state: Pointer to drm crtc state object
+ */
+unsigned int dpu_crtc_get_num_lm(const struct drm_crtc_state *state)
+{
+	struct dpu_crtc_state *cstate = to_dpu_crtc_state(state);
+
+	return cstate->num_mixers;
+}
+
 #ifdef CONFIG_DEBUG_FS
 static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
 {
@@ -1682,15 +1713,15 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
 		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, "\tsspp[0]:%s\n",
-			   pstate->pipe.sspp->cap->name);
-		seq_printf(s, "\tmultirect[0]: mode: %d index: %d\n",
-			pstate->pipe.multirect_mode, pstate->pipe.multirect_index);
-		if (pstate->r_pipe.sspp) {
-			seq_printf(s, "\tsspp[1]:%s\n",
-				   pstate->r_pipe.sspp->cap->name);
-			seq_printf(s, "\tmultirect[1]: mode: %d index: %d\n",
-				   pstate->r_pipe.multirect_mode, pstate->r_pipe.multirect_index);
+
+		for (i = 0; i < PIPES_PER_PLANE; i++) {
+			if (!pstate->pipe[i].sspp)
+				continue;
+			seq_printf(s, "\tsspp[%d]:%s\n",
+				   i, pstate->pipe[i].sspp->cap->name);
+			seq_printf(s, "\tmultirect[%d]: mode: %d index: %d\n",
+				   i, pstate->pipe[i].multirect_mode,
+				   pstate->pipe[i].multirect_index);
 		}
 
 		seq_puts(s, "\n");