diff options
| author | Charlene Liu <charlene.liu@amd.com> | 2017-02-01 20:35:53 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 17:13:37 -0400 |
| commit | cc4d99b8a888e16093b985d6a11fbd37ab92697c (patch) | |
| tree | 82fe0d1328638f8252068ad2853b618594137921 /drivers/gpu/drm/amd/display/dc/dce/dce_opp.c | |
| parent | 8fde5884f4a18dec81ab5d498bf7bf3c156f8dfb (diff) | |
| download | linux-cc4d99b8a888e16093b985d6a11fbd37ab92697c.tar.gz linux-cc4d99b8a888e16093b985d6a11fbd37ab92697c.tar.bz2 linux-cc4d99b8a888e16093b985d6a11fbd37ab92697c.zip | |
drm/amd/display: HDMI YCbCr422 12bpc pixel format issue
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_opp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_opp.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c index 9247afd4d42f..a2f57cf603aa 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c @@ -366,19 +366,37 @@ static void set_truncation( FMT_TRUNCATE_EN, 0, FMT_TRUNCATE_DEPTH, 0, FMT_TRUNCATE_MODE, 0); - /* no 10bpc trunc on DCE11*/ + + + if (params->pixel_encoding == PIXEL_ENCODING_YCBCR422) { + /* 8bpc trunc on YCbCr422*/ + if (params->flags.TRUNCATE_DEPTH == 1) + REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, + FMT_TRUNCATE_EN, 1, + FMT_TRUNCATE_DEPTH, 1, + FMT_TRUNCATE_MODE, 0); + else if (params->flags.TRUNCATE_DEPTH == 2) + /* 10bpc trunc on YCbCr422*/ + REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, + FMT_TRUNCATE_EN, 1, + FMT_TRUNCATE_DEPTH, 2, + FMT_TRUNCATE_MODE, 0); + return; + } + /* on other format-to do */ if (params->flags.TRUNCATE_ENABLED == 0 || - params->flags.TRUNCATE_DEPTH == 2) + params->flags.TRUNCATE_DEPTH == 2) return; - /*Set truncation depth and Enable truncation*/ REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, - FMT_TRUNCATE_EN, 1, - FMT_TRUNCATE_DEPTH, params->flags.TRUNCATE_MODE, - FMT_TRUNCATE_MODE, params->flags.TRUNCATE_DEPTH); - + FMT_TRUNCATE_EN, 1, + FMT_TRUNCATE_DEPTH, + params->flags.TRUNCATE_MODE, + FMT_TRUNCATE_MODE, + params->flags.TRUNCATE_DEPTH); } + /** * set_spatial_dither * 1) set spatial dithering mode: pattern of seed |