Re: [PATCH v3 05/11] drm/msm: Add support for SM8350

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On 05/12/2022 18:37, Robert Foss wrote:
Add compatibles string, "qcom,sm8350-mdss", for the multimedia display
subsystem unit used on Qualcomm SM8350 platform.

Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
---
  drivers/gpu/drm/msm/msm_mdss.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index a2264fb517a1..39746b972cdd 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -293,6 +293,9 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
  		/* UBWC_2_0 */
  		msm_mdss_setup_ubwc_dec_20(msm_mdss, 0x1e);
  		break;
+	case DPU_HW_VER_700:
+		msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_4_0, 6, 1, 1, 1);
+		break;

Judging from the vendor kernel, the highest_rank_bit is 3, with usual todo for 2 for LP_DDR4.

  	case DPU_HW_VER_720:
  		msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_3_0, 6, 1, 1, 1);
  		break;
@@ -530,6 +533,7 @@ static const struct of_device_id mdss_dt_match[] = {
  	{ .compatible = "qcom,sc8180x-mdss" },
  	{ .compatible = "qcom,sm8150-mdss" },
  	{ .compatible = "qcom,sm8250-mdss" },
+	{ .compatible = "qcom,sm8350-mdss" },
  	{ .compatible = "qcom,sm8450-mdss" },
  	{}
  };

--
With best wishes
Dmitry




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