drm/amd/display: Enable DP YCbCr420 mode support for DCN10

[WHY]
In DCN10 when a panel with YCbCr420 capability is connected via
USB-C to HDMI active dongle, no YCbCr420 option is listed in
Radeon settings.

[HOW]
Enable DP YCbCr420 mode support for DCN10

Signed-off-by: Gary Li <gary.li@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 1abd81e17f09def2d3e63de556446c0929ea834f..a78712caf1244f2d1e6f5abf13d0abfb62f3e30a 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -798,7 +798,7 @@ static const struct encoder_feature_support link_enc_feature = {
                .max_hdmi_deep_color = COLOR_DEPTH_121212,
                .max_hdmi_pixel_clock = 600000,
                .hdmi_ycbcr420_supported = true,
-               .dp_ycbcr420_supported = false,
+               .dp_ycbcr420_supported = true,
                .flags.bits.IS_HBR2_CAPABLE = true,
                .flags.bits.IS_HBR3_CAPABLE = true,
                .flags.bits.IS_TPS3_CAPABLE = true,