diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c index 86ac7d59fd32..0748ef36a16a 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c @@ -1595,6 +1595,7 @@ double dml32_TruncToValidBPP( unsigned int NonDSCBPP0; unsigned int NonDSCBPP1; unsigned int NonDSCBPP2; + unsigned int NonDSCBPP3 = BPP_INVALID; if (Format == dm_420) { NonDSCBPP0 = 12; @@ -1603,6 +1604,7 @@ double dml32_TruncToValidBPP( MinDSCBPP = 6; MaxDSCBPP = 1.5 * DSCInputBitPerComponent - 1.0 / 16; } else if (Format == dm_444) { + NonDSCBPP3 = 18; NonDSCBPP0 = 24; NonDSCBPP1 = 30; NonDSCBPP2 = 36; @@ -1667,6 +1669,8 @@ double dml32_TruncToValidBPP( return NonDSCBPP1; else if (MaxLinkBPP >= NonDSCBPP0) return 16.0; + else if ((Output == dm_dp2p0 || Output == dm_dp) && NonDSCBPP3 != BPP_INVALID && MaxLinkBPP >= NonDSCBPP3) + return NonDSCBPP3; // Special case to allow 6bpc RGB for DP connections. else return BPP_INVALID; } |