[PATCH 09/15] drm/amd/display: Enable DP YCbCr420 mode support for DCN10

Qingqing Zhuo qingqing.zhuo at amd.com
Wed Sep 16 19:36:29 UTC 2020


From: Gary Li <gary.li at amd.com>

[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 at amd.com>
Reviewed-by: Eric Yang <eric.yang2 at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 1abd81e17f09..a78712caf124 100644
--- 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,
-- 
2.17.1



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