[PATCH v17 5/6] drm/bridge: dw-hdmi: add YCBCR formats only if CSC is available

[H. Nikolaus Schaller]

otherwise they will produce a black HDMI screen.

Signed-off-by: H. Nikolaus Schaller <h...@goldelico.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c 
b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index b5a665c5e406e..ec40dd8865065 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2628,10 +2628,12 @@ static u32 
*dw_hdmi_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge,
                output_fmts[i++] = MEDIA_BUS_FMT_RGB101010_1X30;
        }
 
-       if (hdmi->sink_is_hdmi && info->color_formats & 
DRM_COLOR_FORMAT_YCBCR422)
+       if (hdmi->csc_available && hdmi->sink_is_hdmi &&
+           (info->color_formats & DRM_COLOR_FORMAT_YCBCR422))
                output_fmts[i++] = MEDIA_BUS_FMT_UYVY8_1X16;
 
-       if (hdmi->sink_is_hdmi && info->color_formats & 
DRM_COLOR_FORMAT_YCBCR444)
+       if (hdmi->csc_available && hdmi->sink_is_hdmi &&
+           (info->color_formats & DRM_COLOR_FORMAT_YCBCR444))
                output_fmts[i++] = MEDIA_BUS_FMT_YUV8_1X24;
 
        /* Default 8bit RGB fallback */
-- 
2.33.0