[Freedreno] [PATCH 5/5] drm/msm: mdss add support for SM8450

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Thu Sep 22 11:30:16 UTC 2022


Add support for the MDSS block on SM8450 platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/msm/msm_mdss.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index e13c5c12b775..9e011762396b 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -219,6 +219,13 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
 	case DPU_HW_VER_720:
 		writel_relaxed(0x101e, msm_mdss->mmio + UBWC_STATIC);
 		break;
+	case DPU_HW_VER_810:
+		/* FIXME: merge with 6.0.0? */
+		/* TODO: 0x102e for LP_DDR4 */
+		writel_relaxed(0x103e, msm_mdss->mmio + UBWC_STATIC);
+		writel_relaxed(2, msm_mdss->mmio + UBWC_CTRL_2);
+		writel_relaxed(1, msm_mdss->mmio + UBWC_PREDICTION_MODE);
+		break;
 	}
 
 	return ret;
@@ -447,6 +454,7 @@ static const struct of_device_id mdss_dt_match[] = {
 	{ .compatible = "qcom,sc8180x-mdss" },
 	{ .compatible = "qcom,sm8150-mdss" },
 	{ .compatible = "qcom,sm8250-mdss" },
+	{ .compatible = "qcom,sm8450-mdss" },
 	{}
 };
 MODULE_DEVICE_TABLE(of, mdss_dt_match);
-- 
2.35.1



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