[PATCH] drm/msm/dpu: Fix encoder CRC to account for CTM enablement

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From: Rob Clark <robdclark@xxxxxxxxxxxx>

Seems like we need to pick INPUT_SEL=1 when CTM is enabled.  But not
otherwise.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c    | 2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 4 ++--
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 3 ++-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 4 ++--
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h | 2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c   | 2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c | 5 ++++-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h | 3 ++-
 8 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 2b83a13b3aa9..d93a92ffd5df 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -134,7 +134,7 @@ static void dpu_crtc_setup_encoder_misr(struct drm_crtc *crtc)
 	struct drm_encoder *drm_enc;
 
 	drm_for_each_encoder_mask(drm_enc, crtc->dev, crtc->state->encoder_mask)
-		dpu_encoder_setup_misr(drm_enc);
+		dpu_encoder_setup_misr(drm_enc, !!crtc->state->ctm);
 }
 
 static int dpu_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index b0a7908418ed..12ee7acb5ea6 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -241,7 +241,7 @@ int dpu_encoder_get_crc_values_cnt(const struct drm_encoder *drm_enc)
 	return num_intf;
 }
 
-void dpu_encoder_setup_misr(const struct drm_encoder *drm_enc)
+void dpu_encoder_setup_misr(const struct drm_encoder *drm_enc, bool has_ctm)
 {
 	struct dpu_encoder_virt *dpu_enc;
 
@@ -255,7 +255,7 @@ void dpu_encoder_setup_misr(const struct drm_encoder *drm_enc)
 		if (!phys->hw_intf || !phys->hw_intf->ops.setup_misr)
 			continue;
 
-		phys->hw_intf->ops.setup_misr(phys->hw_intf, true, 1);
+		phys->hw_intf->ops.setup_misr(phys->hw_intf, true, 1, has_ctm);
 	}
 }
 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
index 4c05fd5e9ed1..510783b2fb24 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
@@ -169,8 +169,9 @@ int dpu_encoder_get_crc_values_cnt(const struct drm_encoder *drm_enc);
 /**
  * dpu_encoder_setup_misr - enable misr calculations
  * @drm_enc:    Pointer to previously created drm encoder structure
+ * @has_ctm:    Is CTM enabled
  */
-void dpu_encoder_setup_misr(const struct drm_encoder *drm_encoder);
+void dpu_encoder_setup_misr(const struct drm_encoder *drm_encoder, bool has_ctm);
 
 /**
  * dpu_encoder_get_crc - get the crc value from interface blocks
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
index e8b8908d3e12..cb06f80cc671 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c
@@ -318,9 +318,9 @@ static u32 dpu_hw_intf_get_line_count(struct dpu_hw_intf *intf)
 	return DPU_REG_READ(c, INTF_LINE_COUNT);
 }
 
-static void dpu_hw_intf_setup_misr(struct dpu_hw_intf *intf, bool enable, u32 frame_count)
+static void dpu_hw_intf_setup_misr(struct dpu_hw_intf *intf, bool enable, u32 frame_count, bool has_ctm)
 {
-	dpu_hw_setup_misr(&intf->hw, INTF_MISR_CTRL, enable, frame_count);
+	dpu_hw_setup_misr(&intf->hw, INTF_MISR_CTRL, enable, frame_count, has_ctm);
 }
 
 static int dpu_hw_intf_collect_misr(struct dpu_hw_intf *intf, u32 *misr_value)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h
index c539025c418b..95aafc4cf58e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h
@@ -95,7 +95,7 @@ struct dpu_hw_intf_ops {
 
 	void (*bind_pingpong_blk)(struct dpu_hw_intf *intf,
 			const enum dpu_pingpong pp);
-	void (*setup_misr)(struct dpu_hw_intf *intf, bool enable, u32 frame_count);
+	void (*setup_misr)(struct dpu_hw_intf *intf, bool enable, u32 frame_count, bool has_ctm);
 	int (*collect_misr)(struct dpu_hw_intf *intf, u32 *misr_value);
 
 	// Tearcheck on INTF since DPU 5.0.0
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
index d1c3bd8379ea..2efe29396c6a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
@@ -83,7 +83,7 @@ static void dpu_hw_lm_setup_border_color(struct dpu_hw_mixer *ctx,
 
 static void dpu_hw_lm_setup_misr(struct dpu_hw_mixer *ctx, bool enable, u32 frame_count)
 {
-	dpu_hw_setup_misr(&ctx->hw, LM_MISR_CTRL, enable, frame_count);
+	dpu_hw_setup_misr(&ctx->hw, LM_MISR_CTRL, enable, frame_count, false);
 }
 
 static int dpu_hw_lm_collect_misr(struct dpu_hw_mixer *ctx, u32 *misr_value)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
index 9d2273fd2fed..528b8439209f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.c
@@ -483,7 +483,7 @@ void _dpu_hw_setup_qos_lut(struct dpu_hw_blk_reg_map *c, u32 offset,
 
 void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c,
 		u32 misr_ctrl_offset,
-		bool enable, u32 frame_count)
+		bool enable, u32 frame_count, bool has_ctm)
 {
 	u32 config = 0;
 
@@ -496,6 +496,9 @@ void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c,
 		config = (frame_count & MISR_FRAME_COUNT_MASK) |
 			MISR_CTRL_ENABLE | MISR_CTRL_FREE_RUN_MASK;
 
+		if (!has_ctm)
+			config |= 1 << 24;
+
 		DPU_REG_WRITE(c, misr_ctrl_offset, config);
 	} else {
 		DPU_REG_WRITE(c, misr_ctrl_offset, 0);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
index 1f6079f47071..e42d9d00e40e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_util.h
@@ -360,7 +360,8 @@ void _dpu_hw_setup_qos_lut(struct dpu_hw_blk_reg_map *c, u32 offset,
 void dpu_hw_setup_misr(struct dpu_hw_blk_reg_map *c,
 		u32 misr_ctrl_offset,
 		bool enable,
-		u32 frame_count);
+		u32 frame_count,
+		bool has_ctm);
 
 int dpu_hw_collect_misr(struct dpu_hw_blk_reg_map *c,
 		u32 misr_ctrl_offset,
-- 
2.41.0




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