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authorCharlene Liu2017-02-17 19:59:11 +0100
committerAlex Deucher2017-09-26 23:15:36 +0200
commit181a888fcd723c4bc63f43aac50713c34ae9102e (patch)
tree76147cb53430c9ce0dd897539269593c9ef37b2a /drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
parentdrm/amd/display: fix 12bpc truncate to 10bpc (diff)
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drm/amd/display: fix incorrect programming for YCbCr422 and YCbCr420
Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
index aba392ff5095..e4092fd458a1 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
@@ -362,9 +362,15 @@ static void dce110_stream_encoder_hdmi_set_stream_attribute(
REG_UPDATE(HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
break;
case COLOR_DEPTH_101010:
- REG_UPDATE_2(HDMI_CONTROL,
- HDMI_DEEP_COLOR_DEPTH, 1,
- HDMI_DEEP_COLOR_ENABLE, 1);
+ if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
+ REG_UPDATE_2(HDMI_CONTROL,
+ HDMI_DEEP_COLOR_DEPTH, 1,
+ HDMI_DEEP_COLOR_ENABLE, 0);
+ } else {
+ REG_UPDATE_2(HDMI_CONTROL,
+ HDMI_DEEP_COLOR_DEPTH, 1,
+ HDMI_DEEP_COLOR_ENABLE, 1);
+ }
break;
case COLOR_DEPTH_121212:
if (crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {