[DPU PATCH v2 07/14] drm/msm/dpu: iterate for assigned hw ctl in virtual encoder

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From: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>

Instead of iterating for hw ctrl per physical encoder, this
patch moves the iterations and assignment to the virtual encoder.

changes in v2:
     - none

Signed-off-by: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>
Signed-off-by: Sravanthi Kollukuduru <skolluku@xxxxxxxxxxxxxx>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        | 22 ++++++++++++++++++++--
 .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c   | 19 -------------------
 .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c   | 19 -------------------
 3 files changed, 20 insertions(+), 40 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 9f2bd47..6d32a0b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1034,9 +1034,11 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 	struct dpu_kms *dpu_kms;
 	struct list_head *connector_list;
 	struct drm_connector *conn = NULL, *conn_iter;
-	struct dpu_rm_hw_iter pp_iter;
+	struct dpu_rm_hw_iter pp_iter, ctl_iter;
 	struct msm_display_topology topology;
 	enum dpu_rm_topology_name topology_name;
+	struct dpu_hw_ctl *hw_ctl[MAX_CHANNELS_PER_ENC];
+
 	int i = 0, ret;
 
 	if (!drm_enc) {
@@ -1084,6 +1086,14 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 		dpu_enc->hw_pp[i] = (struct dpu_hw_pingpong *) pp_iter.hw;
 	}
 
+	dpu_rm_init_hw_iter(&ctl_iter, drm_enc->base.id, DPU_HW_BLK_CTL);
+	for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) {
+		hw_ctl[i] = NULL;
+		if (!dpu_rm_get_hw(&dpu_kms->rm, &ctl_iter))
+			break;
+		hw_ctl[i] = (struct dpu_hw_ctl *)ctl_iter.hw;
+	}
+
 	topology_name = dpu_rm_get_topology_name(topology);
 	for (i = 0; i < dpu_enc->num_phys_encs; i++) {
 		struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i];
@@ -1091,10 +1101,18 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 		if (phys) {
 			if (!dpu_enc->hw_pp[i]) {
 				DPU_ERROR_ENC(dpu_enc,
-				    "invalid pingpong block for the encoder\n");
+				    "no pp block assigned at idx: %d\n", i);
 				return;
 			}
 			phys->hw_pp = dpu_enc->hw_pp[i];
+
+			if (!hw_ctl[i]) {
+				DPU_ERROR_ENC(dpu_enc,
+				    "no ctl block assigned at idx: %d\n", i);
+				return;
+			}
+			phys->hw_ctl = hw_ctl[i];
+
 			phys->connector = conn->state->connector;
 			phys->topology_name = topology_name;
 			if (phys->ops.mode_set)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
index b9f7d95..2d974e3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
@@ -195,9 +195,6 @@ static void dpu_encoder_phys_cmd_mode_set(
 {
 	struct dpu_encoder_phys_cmd *cmd_enc =
 		to_dpu_encoder_phys_cmd(phys_enc);
-	struct dpu_rm *rm = &phys_enc->dpu_kms->rm;
-	struct dpu_rm_hw_iter iter;
-	int i, instance;
 
 	if (!phys_enc || !mode || !adj_mode) {
 		DPU_ERROR("invalid args\n");
@@ -207,22 +204,6 @@ static void dpu_encoder_phys_cmd_mode_set(
 	DPU_DEBUG_CMDENC(cmd_enc, "caching mode:\n");
 	drm_mode_debug_printmodeline(adj_mode);
 
-	instance = phys_enc->split_role == ENC_ROLE_SLAVE ? 1 : 0;
-
-	/* Retrieve previously allocated HW Resources. Shouldn't fail */
-	dpu_rm_init_hw_iter(&iter, phys_enc->parent->base.id, DPU_HW_BLK_CTL);
-	for (i = 0; i <= instance; i++) {
-		if (dpu_rm_get_hw(rm, &iter))
-			phys_enc->hw_ctl = (struct dpu_hw_ctl *)iter.hw;
-	}
-
-	if (IS_ERR_OR_NULL(phys_enc->hw_ctl)) {
-		DPU_ERROR_CMDENC(cmd_enc, "failed to init ctl: %ld\n",
-				PTR_ERR(phys_enc->hw_ctl));
-		phys_enc->hw_ctl = NULL;
-		return;
-	}
-
 	_dpu_encoder_phys_cmd_setup_irq_hw_idx(phys_enc);
 }
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index e9b346c..f0b5762 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -395,9 +395,6 @@ static void dpu_encoder_phys_vid_mode_set(
 		struct drm_display_mode *mode,
 		struct drm_display_mode *adj_mode)
 {
-	struct dpu_rm *rm;
-	struct dpu_rm_hw_iter iter;
-	int i, instance;
 	struct dpu_encoder_phys_vid *vid_enc;
 
 	if (!phys_enc || !phys_enc->dpu_kms) {
@@ -405,7 +402,6 @@ static void dpu_encoder_phys_vid_mode_set(
 		return;
 	}
 
-	rm = &phys_enc->dpu_kms->rm;
 	vid_enc = to_dpu_encoder_phys_vid(phys_enc);
 
 	if (adj_mode) {
@@ -414,21 +410,6 @@ static void dpu_encoder_phys_vid_mode_set(
 		DPU_DEBUG_VIDENC(vid_enc, "caching mode:\n");
 	}
 
-	instance = phys_enc->split_role == ENC_ROLE_SLAVE ? 1 : 0;
-
-	/* Retrieve previously allocated HW Resources. Shouldn't fail */
-	dpu_rm_init_hw_iter(&iter, phys_enc->parent->base.id, DPU_HW_BLK_CTL);
-	for (i = 0; i <= instance; i++) {
-		if (dpu_rm_get_hw(rm, &iter))
-			phys_enc->hw_ctl = (struct dpu_hw_ctl *)iter.hw;
-	}
-	if (IS_ERR_OR_NULL(phys_enc->hw_ctl)) {
-		DPU_ERROR_VIDENC(vid_enc, "failed to init ctl, %ld\n",
-				PTR_ERR(phys_enc->hw_ctl));
-		phys_enc->hw_ctl = NULL;
-		return;
-	}
-
 	_dpu_encoder_phys_vid_setup_irq_hw_idx(phys_enc);
 }
 
-- 
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a Linux Foundation Collaborative Project

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