diff options
| author | Eric Bernstein <eric.bernstein@amd.com> | 2018-05-14 17:01:00 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-06-15 12:20:27 -0500 |
| commit | 0b126112e90a96907aa14c39374fc7bfdbba131a (patch) | |
| tree | 3a6a2e3704fb79d088650cfbef67341058bd4140 /drivers/gpu/drm | |
| parent | 8de94233f4cdcd5b3065fa9b9af3edc10874a120 (diff) | |
drm/amd/display: DP YCbCr 4:2:0 support
Update MSA MISC1 bit 6 programming to handle YCbCr 4:2:0
and BT2020 cases.
Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@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')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c index c928ee4cd382..147f61416fa5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c @@ -298,9 +298,20 @@ void enc1_stream_encoder_dp_set_stream_attribute( } misc1 = REG_READ(DP_MSA_MISC); + /* For YCbCr420 and BT2020 Colorimetry Formats, VSC SDP shall be used. + * When MISC1, bit 6, is Set to 1, a Source device uses a VSC SDP to indicate the + * Pixel Encoding/Colorimetry Format and that a Sink device shall ignore MISC1, bit 7, + * and MISC0, bits 7:1 (MISC1, bit 7, and MISC0, bits 7:1, become “don’t care”). + */ + if ((crtc_timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) || + (output_color_space == COLOR_SPACE_2020_YCBCR) || + (output_color_space == COLOR_SPACE_2020_RGB_FULLRANGE) || + (output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE)) + misc1 = misc1 | 0x40; + else + misc1 = misc1 & ~0x40; /* set color depth */ - switch (crtc_timing->display_color_depth) { case COLOR_DEPTH_666: REG_UPDATE(DP_PIXEL_FORMAT, DP_COMPONENT_DEPTH, @@ -354,7 +365,6 @@ void enc1_stream_encoder_dp_set_stream_attribute( switch (output_color_space) { case COLOR_SPACE_SRGB: - misc0 = misc0 | 0x0; misc1 = misc1 & ~0x80; /* bit7 = 0*/ dynamic_range_rgb = 0; /*full range*/ break; |