Re: [v2,38/50] drm/msm/dpu: enable DSPP_2/3 for LM_2/3 on sm8450

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On 30/03/2023 15:33, Konrad Dybcio wrote:


On 12.02.2023 00:12, Dmitry Baryshkov wrote:
Mark DSPP_2 and DSPP_3 as used for LM_2 and LM_3

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
Could you point me to where it's specified downstream? I can't find it.

https://git.codelinaro.org/clo/la/platform/vendor/opensource/display-drivers/-/blob/77276ed6a0055a4a0f41d7b0395a8b0bbcafd091/msm/sde/sde_hw_catalog.c#L2341

Which says assign DSPP to LMs for as long as we have a spare DSPP


Also, deserves a Fixes.

This is a tough question. We have been using sm8150_lm for sm8[2345]50. So before "drm/msm/dpu: duplicate sm8150 catalog entries" there is no way to fix that.


Konrad
  drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
index a3faaab2226c..3d95f2472e7a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_8_1_sm8450.h
@@ -107,9 +107,9 @@ static const struct dpu_lm_cfg sm8450_lm[] = {
  	LM_BLK("lm_1", LM_1, 0x45000, MIXER_SDM845_MASK,
  		&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_3, 0),
+		&sdm845_lm_sblk, PINGPONG_2, LM_3, DSPP_2),
  	LM_BLK("lm_3", LM_3, 0x47000, MIXER_SDM845_MASK,
-		&sdm845_lm_sblk, PINGPONG_3, LM_2, 0),
+		&sdm845_lm_sblk, PINGPONG_3, LM_2, DSPP_3),
  	LM_BLK("lm_4", LM_4, 0x48000, MIXER_SDM845_MASK,
  		&sdm845_lm_sblk, PINGPONG_4, LM_5, 0),
  	LM_BLK("lm_5", LM_5, 0x49000, MIXER_SDM845_MASK,

--
With best wishes
Dmitry




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