drm/msm/mdss: Add support for Kaanapali

Add mdss support for the Qualcomm Kaanapali platform.

Co-developed-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Yuanjie Yang <yuanjie.yang@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/698703/
Link: https://lore.kernel.org/r/20260115092749.533-6-yuanjie.yang@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

Author: Yuanjie Yang

drivers/gpu/drm/msm/msm_mdss.c

@@ -239,7 +239,11 @@ static void msm_mdss_setup_ubwc_dec_50(struct msm_mdss *msm_mdss)
 
 	writel_relaxed(value, msm_mdss->mmio + REG_MDSS_UBWC_STATIC);
 
-	writel_relaxed(4, msm_mdss->mmio + REG_MDSS_UBWC_CTRL_2);
+	if (data->ubwc_dec_version == UBWC_6_0)
+		writel_relaxed(5, msm_mdss->mmio + REG_MDSS_UBWC_CTRL_2);
+	else
+		writel_relaxed(4, msm_mdss->mmio + REG_MDSS_UBWC_CTRL_2);
+
 	writel_relaxed(1, msm_mdss->mmio + REG_MDSS_UBWC_PREDICTION_MODE);
 }
 
@@ -296,6 +300,9 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
 	case UBWC_5_0:
 		msm_mdss_setup_ubwc_dec_50(msm_mdss);
 		break;
+	case UBWC_6_0:
+		msm_mdss_setup_ubwc_dec_50(msm_mdss);
+		break;
 	default:
 		dev_err(msm_mdss->dev, "Unsupported UBWC decoder version %x\n",
 			msm_mdss->mdss_data->ubwc_dec_version);
@@ -554,6 +561,7 @@ static const struct msm_mdss_data data_153k6 = {
 static const struct of_device_id mdss_dt_match[] = {
 	{ .compatible = "qcom,mdss", .data = &data_153k6 },
 	{ .compatible = "qcom,glymur-mdss", .data = &data_57k },
+	{ .compatible = "qcom,kaanapali-mdss", .data = &data_57k },
 	{ .compatible = "qcom,msm8998-mdss", .data = &data_76k8 },
 	{ .compatible = "qcom,qcm2290-mdss", .data = &data_76k8 },
 	{ .compatible = "qcom,qcs8300-mdss", .data = &data_74k },