drm/msm: Introduce SC8280XP MDSS

Add compatible for the SC8280XP Mobile Display Subsystem and
initialization for version 8.0.0.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/514402/
Link: https://lore.kernel.org/r/20221207220012.16529-4-quic_bjorande@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/msm_mdss.c

@@ -293,6 +293,9 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
 	case DPU_HW_VER_720:
 		msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_3_0, 6, 1, 1, 1);
 		break;
+	case DPU_HW_VER_800:
+		msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_4_0, 6, 1, 2, 1);
+		break;
 	case DPU_HW_VER_810:
 		/* TODO: highest_bank_bit = 2 for LP_DDR4 */
 		msm_mdss_setup_ubwc_dec_40(msm_mdss, UBWC_4_0, 6, 1, 3, 1);
@@ -523,6 +526,7 @@ static const struct of_device_id mdss_dt_match[] = {
 	{ .compatible = "qcom,sc7180-mdss" },
 	{ .compatible = "qcom,sc7280-mdss" },
 	{ .compatible = "qcom,sc8180x-mdss" },
+	{ .compatible = "qcom,sc8280xp-mdss" },
 	{ .compatible = "qcom,sm6115-mdss" },
 	{ .compatible = "qcom,sm8150-mdss" },
 	{ .compatible = "qcom,sm8250-mdss" },