diff options
| author | Hersen Wu <hersenxs.wu@amd.com> | 2018-04-11 15:22:10 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-15 13:44:09 -0500 |
| commit | 50834eb488a30026de040ab5d209ca9f980ae14b (patch) | |
| tree | 98c045af0a861f78d92cc402471ab8629394aa44 /drivers/gpu/drm/amd/display/dc/core | |
| parent | 3158223efde597521505b586a88a6d43c8f2324f (diff) | |
| download | op-kernel-dev-50834eb488a30026de040ab5d209ca9f980ae14b.zip op-kernel-dev-50834eb488a30026de040ab5d209ca9f980ae14b.tar.gz | |
drm/amd/display: DP link validation bug for YUV422
remove limit YUV422 color depth to 24bits which is
workaround for old ASIC
Signed-off-by: Hersen Wu <hersenxs.wu@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/core')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 0a190c2..7d609c7 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1379,34 +1379,29 @@ static uint32_t bandwidth_in_kbps_from_timing( uint32_t bits_per_channel = 0; uint32_t kbps; - if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) + switch (timing->display_color_depth) { + case COLOR_DEPTH_666: + bits_per_channel = 6; + break; + case COLOR_DEPTH_888: + bits_per_channel = 8; + break; + case COLOR_DEPTH_101010: + bits_per_channel = 10; + break; + case COLOR_DEPTH_121212: bits_per_channel = 12; - else{ - - switch (timing->display_color_depth) { - - case COLOR_DEPTH_666: - bits_per_channel = 6; - break; - case COLOR_DEPTH_888: - bits_per_channel = 8; - break; - case COLOR_DEPTH_101010: - bits_per_channel = 10; - break; - case COLOR_DEPTH_121212: - bits_per_channel = 12; - break; - case COLOR_DEPTH_141414: - bits_per_channel = 14; - break; - case COLOR_DEPTH_161616: - bits_per_channel = 16; - break; - default: - break; - } + break; + case COLOR_DEPTH_141414: + bits_per_channel = 14; + break; + case COLOR_DEPTH_161616: + bits_per_channel = 16; + break; + default: + break; } + ASSERT(bits_per_channel != 0); kbps = timing->pix_clk_khz; |
