Rockchip VOP couldn't output YUV video format for eDP controller, so when driver detect connector support YUV video format, we need to hack it down to RGB888.
Signed-off-by: Yakir Yang ykk@rock-chips.com --- drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index adb38b2..a51e086 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -102,6 +102,24 @@ static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data) return 0; }
+static enum drm_mode_status +rockchip_dp_mode_valid(struct analogix_dp_plat_data *plat_data, + struct drm_connector *connector, + struct drm_display_mode *mode) +{ + struct drm_display_info *di = &connector->display_info; + + if (di->color_formats & DRM_COLOR_FORMAT_YCRCB444 || + di->color_formats & DRM_COLOR_FORMAT_YCRCB422) { + di->color_formats &= ~(DRM_COLOR_FORMAT_YCRCB422 | + DRM_COLOR_FORMAT_YCRCB444); + di->color_formats |= DRM_COLOR_FORMAT_RGB444; + di->bpc = 8; + } + + return MODE_OK; +} + static bool rockchip_dp_drm_encoder_mode_fixup(struct drm_encoder *encoder, const struct drm_display_mode *mode, @@ -300,6 +318,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, dp->plat_data.dev_type = ROCKCHIP_DP; dp->plat_data.power_on = rockchip_dp_poweron; dp->plat_data.power_off = rockchip_dp_powerdown; + dp->plat_data.mode_valid = rockchip_dp_mode_valid;
return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data); }