From bbf673f918a152ebb3cfd541497908de2f631f91 Mon Sep 17 00:00:00 2001 From: Anthony Koo Date: Wed, 2 Dec 2015 13:55:16 -0500 Subject: [PATCH 0561/1110] drm/amd/dal: Fail validation if YCbCr 420 since current HW does not support it Signed-off-by: Harry Wentland Acked-by: Harry Wentland --- drivers/gpu/drm/amd/dal/dc/dce110/dce110_link_encoder.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_link_encoder.c b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_link_encoder.c index cd1924a..3e2ac27 100644 --- a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_link_encoder.c +++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_link_encoder.c @@ -1038,6 +1038,10 @@ static bool validate_hdmi_output( PIXEL_ENCODING_RGB) return false; + /* DCE11 HW does not support 420 */ + if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) + return false; + return true; } -- 2.7.4