[PATCH v3 06/23] drm/msm/dpu: fill CRTC resources in dpu_crtc.c

[Jessica Zhang]

From: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

Stop poking into CRTC state from dpu_encoder.c, fill CRTC HW resources
from dpu_crtc_assign_resources().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
[quic_abhinavk at quicinc.com: cleaned up formatting]
Signed-off-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
Signed-off-by: Jessica Zhang <quic_jesszhan at quicinc.com>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c    | 32 ++++++++++++++++++++++++++---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 24 ++--------------------
 2 files changed, 31 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index b918c80d30b3ad4dbc5a629deb068431122f1c57..d53e986eee5467d78aa3b4cc2bc59a954942cdea 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -1091,9 +1091,6 @@ static void dpu_crtc_disable(struct drm_crtc *crtc,
 
 	dpu_core_perf_crtc_update(crtc, 0);
 
-	memset(cstate->mixers, 0, sizeof(cstate->mixers));
-	cstate->num_mixers = 0;
-
 	/* disable clk & bw control until clk & bw properties are set */
 	cstate->bw_control = false;
 	cstate->bw_split_vote = false;
@@ -1164,6 +1161,7 @@ static bool dpu_crtc_needs_dirtyfb(struct drm_crtc_state *cstate)
 }
 
 #define MAX_HDISPLAY_SPLIT 1080
+#define MAX_CHANNELS_PER_CRTC 2
 
 static struct msm_display_topology dpu_crtc_get_topology(
 		struct drm_crtc *crtc,
@@ -1208,9 +1206,14 @@ static struct msm_display_topology dpu_crtc_get_topology(
 
 static int dpu_crtc_assign_resources(struct drm_crtc *crtc, struct drm_crtc_state *crtc_state)
 {
+	struct dpu_hw_blk *hw_ctl[MAX_CHANNELS_PER_CRTC];
+	struct dpu_hw_blk *hw_lm[MAX_CHANNELS_PER_CRTC];
+	struct dpu_hw_blk *hw_dspp[MAX_CHANNELS_PER_CRTC];
+	int i, num_lm, num_ctl, num_dspp;
 	struct dpu_kms *dpu_kms = _dpu_crtc_get_kms(crtc);
 	struct dpu_global_state *global_state;
 	struct msm_display_topology topology;
+	struct dpu_crtc_state *cstate;
 	int ret;
 
 	/*
@@ -1232,6 +1235,29 @@ static int dpu_crtc_assign_resources(struct drm_crtc *crtc, struct drm_crtc_stat
 	if (ret)
 		return ret;
 
+	cstate = to_dpu_crtc_state(crtc_state);
+
+	num_ctl = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
+						crtc, DPU_HW_BLK_CTL, hw_ctl,
+						ARRAY_SIZE(hw_ctl));
+	num_lm = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
+					       crtc, DPU_HW_BLK_LM, hw_lm,
+					       ARRAY_SIZE(hw_lm));
+	num_dspp = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
+						 crtc, DPU_HW_BLK_DSPP, hw_dspp,
+						 ARRAY_SIZE(hw_dspp));
+
+	for (i = 0; i < num_lm; i++) {
+		int ctl_idx = (i < num_ctl) ? i : (num_ctl-1);
+
+		cstate->mixers[i].hw_lm = to_dpu_hw_mixer(hw_lm[i]);
+		cstate->mixers[i].lm_ctl = to_dpu_hw_ctl(hw_ctl[ctl_idx]);
+		if (i < num_dspp)
+			cstate->mixers[i].hw_dspp = to_dpu_hw_dspp(hw_dspp[i]);
+	}
+
+	cstate->num_mixers = num_lm;
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index ada9119326caa11cd7e7ffb754d5dee4e98ccf60..36b677cf9c7a53fdedf79107db8958a67cdd2c95 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1049,14 +1049,11 @@ static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc,
 	struct dpu_encoder_virt *dpu_enc;
 	struct msm_drm_private *priv;
 	struct dpu_kms *dpu_kms;
-	struct dpu_crtc_state *cstate;
 	struct dpu_global_state *global_state;
 	struct dpu_hw_blk *hw_pp[MAX_CHANNELS_PER_ENC];
 	struct dpu_hw_blk *hw_ctl[MAX_CHANNELS_PER_ENC];
-	struct dpu_hw_blk *hw_lm[MAX_CHANNELS_PER_ENC];
-	struct dpu_hw_blk *hw_dspp[MAX_CHANNELS_PER_ENC] = { NULL };
 	struct dpu_hw_blk *hw_dsc[MAX_CHANNELS_PER_ENC];
-	int num_lm, num_ctl, num_pp, num_dsc;
+	int num_pp, num_dsc;
 	unsigned int dsc_mask = 0;
 	int i;
 
@@ -1083,13 +1080,8 @@ static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc,
 	num_pp = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
 		drm_enc->crtc, DPU_HW_BLK_PINGPONG, hw_pp,
 		ARRAY_SIZE(hw_pp));
-	num_ctl = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
-		drm_enc->crtc, DPU_HW_BLK_CTL, hw_ctl, ARRAY_SIZE(hw_ctl));
-	num_lm = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
-		drm_enc->crtc, DPU_HW_BLK_LM, hw_lm, ARRAY_SIZE(hw_lm));
 	dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
-		drm_enc->crtc, DPU_HW_BLK_DSPP, hw_dspp,
-		ARRAY_SIZE(hw_dspp));
+			drm_enc->crtc, DPU_HW_BLK_CTL, hw_ctl, ARRAY_SIZE(hw_ctl));
 
 	for (i = 0; i < MAX_CHANNELS_PER_ENC; i++)
 		dpu_enc->hw_pp[i] = i < num_pp ? to_dpu_hw_pingpong(hw_pp[i])
@@ -1115,18 +1107,6 @@ static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc,
 		dpu_enc->cur_master->hw_cdm = hw_cdm ? to_dpu_hw_cdm(hw_cdm) : NULL;
 	}
 
-	cstate = to_dpu_crtc_state(crtc_state);
-
-	for (i = 0; i < num_lm; i++) {
-		int ctl_idx = (i < num_ctl) ? i : (num_ctl-1);
-
-		cstate->mixers[i].hw_lm = to_dpu_hw_mixer(hw_lm[i]);
-		cstate->mixers[i].lm_ctl = to_dpu_hw_ctl(hw_ctl[ctl_idx]);
-		cstate->mixers[i].hw_dspp = to_dpu_hw_dspp(hw_dspp[i]);
-	}
-
-	cstate->num_mixers = num_lm;
-
 	for (i = 0; i < dpu_enc->num_phys_encs; i++) {
 		struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i];
 

-- 
2.34.1