1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 0755573151af..0a0fb3a777ca 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -110,6 +110,23 @@ static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data)
         return 0;
 }
 
+static int rockchip_dp_get_modes(struct analogix_dp_plat_data *plat_data,
+                                 struct drm_connector *connector)
+{
+        struct drm_display_info *di = &connector->display_info;
+        /* VOP couldn't output YUV video format for eDP rightly */
+        u32 mask = DRM_COLOR_FORMAT_YCRCB444 | DRM_COLOR_FORMAT_YCRCB422;
+
+        if ((di->color_formats & mask)) {
+                DRM_DEBUG_KMS("Swapping display color format from YUV to RGB\n");
+                di->color_formats &= ~mask;
+                di->color_formats |= DRM_COLOR_FORMAT_RGB444;
+                di->bpc = 8;
+        }
+
+        return 0;
+}
+
 static bool
 rockchip_dp_drm_encoder_mode_fixup(struct drm_encoder *encoder,
                                    const struct drm_display_mode *mode,
@@ -310,6 +327,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
         dp->plat_data.dev_type = dp->data->chip_type;
         dp->plat_data.power_on = rockchip_dp_poweron;
         dp->plat_data.power_off = rockchip_dp_powerdown;
+        dp->plat_data.get_modes = rockchip_dp_get_modes;
 
         return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
 }