drm/msm: Add support for SM8350

Add compatibles string, "qcom,sm8350-mdss", for the multimedia display
subsystem unit used on Qualcomm SM8350 platform.
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/516345/
Link: https://lore.kernel.org/r/20221230153554.105856-6-robert.foss@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/msm_mdss.c

@@ -286,6 +286,10 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
 		/* UBWC_2_0 */
 		msm_mdss_setup_ubwc_dec_20(msm_mdss, 0x11f);
 		break;
+	case DPU_HW_VER_700:
+		/* TODO: highest_bank_bit = 2 for LP_DDR4 */
+		msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_4_0, 6, 1, 3, 1);
+		break;
 	case DPU_HW_VER_720:
 		msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_3_0, 6, 1, 1, 1);
 		break;
@@ -522,6 +526,7 @@ static const struct of_device_id mdss_dt_match[] = {
 	{ .compatible = "qcom,sm6115-mdss" },
 	{ .compatible = "qcom,sm8150-mdss" },
 	{ .compatible = "qcom,sm8250-mdss" },
+	{ .compatible = "qcom,sm8350-mdss" },
 	{ .compatible = "qcom,sm8450-mdss" },
 	{}
 };