Re: [PATCH 2/2] drm/msm/dpu/catalog: define DSPP blocks found on sdm845

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On 6/12/2023 11:25 AM, Dmitry Baryshkov wrote:
Add definitions of DSPP blocks present on the sdm845 platform. This
should enable color-management on sdm845-bassed devices.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
  .../msm/disp/dpu1/catalog/dpu_4_0_sdm845.h    | 21 +++++++++++++++----
  1 file changed, 17 insertions(+), 4 deletions(-)


This change itself is fine, hence

Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>

one note below for a future cleanup:

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h
index 36ea1af10894..b6098141bb9b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_4_0_sdm845.h
@@ -96,19 +96,30 @@ static const struct dpu_sspp_cfg sdm845_sspp[] = {
static const struct dpu_lm_cfg sdm845_lm[] = {
  	LM_BLK("lm_0", LM_0, 0x44000, MIXER_SDM845_MASK,
-		&sdm845_lm_sblk, PINGPONG_0, LM_1, 0),
+		&sdm845_lm_sblk, PINGPONG_0, LM_1, DSPP_0),
  	LM_BLK("lm_1", LM_1, 0x45000, MIXER_SDM845_MASK,
-		&sdm845_lm_sblk, PINGPONG_1, LM_0, 0),
+		&sdm845_lm_sblk, PINGPONG_1, LM_0, DSPP_1),
  	LM_BLK("lm_2", LM_2, 0x46000, MIXER_SDM845_MASK,
-		&sdm845_lm_sblk, PINGPONG_2, LM_5, 0),
+		&sdm845_lm_sblk, PINGPONG_2, LM_5, DSPP_2),
  	LM_BLK("lm_3", LM_3, 0x0, MIXER_SDM845_MASK,
-		&sdm845_lm_sblk, PINGPONG_NONE, 0, 0),
+		&sdm845_lm_sblk, PINGPONG_NONE, 0, DSPP_3),
  	LM_BLK("lm_4", LM_4, 0x0, MIXER_SDM845_MASK,
  		&sdm845_lm_sblk, PINGPONG_NONE, 0, 0),
  	LM_BLK("lm_5", LM_5, 0x49000, MIXER_SDM845_MASK,
  		&sdm845_lm_sblk, PINGPONG_3, LM_2, 0),
  };
+static const struct dpu_dspp_cfg sdm845_dspp[] = {
+	DSPP_BLK("dspp_0", DSPP_0, 0x54000, DSPP_SC7180_MASK,
+		 &sm8150_dspp_sblk),
+	DSPP_BLK("dspp_1", DSPP_1, 0x56000, DSPP_SC7180_MASK,
+		 &sm8150_dspp_sblk),
+	DSPP_BLK("dspp_2", DSPP_2, 0x58000, DSPP_SC7180_MASK,
+		 &sm8150_dspp_sblk),
+	DSPP_BLK("dspp_3", DSPP_3, 0x5a000, DSPP_SC7180_MASK,
+		 &sm8150_dspp_sblk),
+};
+

I see the len of pcc blocks should be 0x88 not 0x90 as sm8150_dspp_sblk explains.

Also, I need to do some digging on the PCC version here. Can you pls provide me the link to downstream source which mentions PCC version is 4.0 for sdm845?

  static const struct dpu_pingpong_cfg sdm845_pp[] = {
  	PP_BLK("pingpong_0", PINGPONG_0, 0x70000, PINGPONG_SDM845_TE2_MASK, 0, sdm845_pp_sblk_te,
  			DPU_IRQ_IDX(MDP_SSPP_TOP0_INTR, 8),
@@ -193,6 +204,8 @@ const struct dpu_mdss_cfg dpu_sdm845_cfg = {
  	.sspp = sdm845_sspp,
  	.mixer_count = ARRAY_SIZE(sdm845_lm),
  	.mixer = sdm845_lm,
+	.dspp_count = ARRAY_SIZE(sdm845_dspp),
+	.dspp = sdm845_dspp,
  	.pingpong_count = ARRAY_SIZE(sdm845_pp),
  	.pingpong = sdm845_pp,
  	.dsc_count = ARRAY_SIZE(sdm845_dsc),



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