diff options
author | Bing Guo <bing.guo@amd.com> | 2021-01-08 01:39:13 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-01-21 00:38:21 +0300 |
commit | 4ef37e2703d97878a44687878cc7145777da335e (patch) | |
tree | b4cb5b47c55747ec6a93491a2106a69c9b74b141 /drivers/gpu/drm/amd/display/dc/dml | |
parent | 64ff0882426e563ff19d6068cb674594c95b6aa8 (diff) | |
download | linux-4ef37e2703d97878a44687878cc7145777da335e.tar.xz |
drm/amd/display: Fix dml20v2_ModeSupportAndSystemConfigurationFull() to check DesiredBPP.
Why:
dml20v2_ModeSupportAndSystemConfigurationFull() didn't check against
DesiredBPP, so it doesn't work correctly when DesiredBPP can't be satisfied.
How:
Port the TruncToValidBPP() version from display_mode_vba_21.c to
display_mode_vba_20v2.c.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Bing Guo <bing.guo@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <anson.jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c | 117 |
1 files changed, 79 insertions, 38 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c index 80170f9721ce..47e8e71113ee 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c @@ -3263,6 +3263,7 @@ static void CalculateFlipSchedule( static unsigned int TruncToValidBPP( double DecimalBPP, + double DesiredBPP, bool DSCEnabled, enum output_encoder_class Output, enum output_format_class Format, @@ -3270,31 +3271,31 @@ static unsigned int TruncToValidBPP( { if (Output == dm_hdmi) { if (Format == dm_420) { - if (DecimalBPP >= 18) + if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18)) return 18; - else if (DecimalBPP >= 15) + else if (DecimalBPP >= 15 && (DesiredBPP == 0 || DesiredBPP == 15)) return 15; - else if (DecimalBPP >= 12) + else if (DecimalBPP >= 12 && (DesiredBPP == 0 || DesiredBPP == 12)) return 12; else return BPP_INVALID; } else if (Format == dm_444) { - if (DecimalBPP >= 36) + if (DecimalBPP >= 36 && (DesiredBPP == 0 || DesiredBPP == 36)) return 36; - else if (DecimalBPP >= 30) + else if (DecimalBPP >= 30 && (DesiredBPP == 0 || DesiredBPP == 30)) return 30; - else if (DecimalBPP >= 24) + else if (DecimalBPP >= 24 && (DesiredBPP == 0 || DesiredBPP == 24)) return 24; - else if (DecimalBPP >= 18) + else if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18)) return 18; else return BPP_INVALID; } else { - if (DecimalBPP / 1.5 >= 24) + if (DecimalBPP / 1.5 >= 24 && (DesiredBPP == 0 || DesiredBPP == 24)) return 24; - else if (DecimalBPP / 1.5 >= 20) + else if (DecimalBPP / 1.5 >= 20 && (DesiredBPP == 0 || DesiredBPP == 20)) return 20; - else if (DecimalBPP / 1.5 >= 16) + else if (DecimalBPP / 1.5 >= 16 && (DesiredBPP == 0 || DesiredBPP == 16)) return 16; else return BPP_INVALID; @@ -3302,53 +3303,86 @@ static unsigned int TruncToValidBPP( } else { if (DSCEnabled) { if (Format == dm_420) { - if (DecimalBPP < 6) - return BPP_INVALID; - else if (DecimalBPP >= 1.5 * DSCInputBitPerComponent - 1 / 16) - return 1.5 * DSCInputBitPerComponent - 1 / 16; - else - return dml_floor(16 * DecimalBPP, 1) / 16; + if (DesiredBPP == 0) { + if (DecimalBPP < 6) + return BPP_INVALID; + else if (DecimalBPP >= 1.5 * DSCInputBitPerComponent - 1.0 / 16.0) + return 1.5 * DSCInputBitPerComponent - 1.0 / 16.0; + else + return dml_floor(16 * DecimalBPP, 1) / 16.0; + } else { + if (DecimalBPP < 6 + || DesiredBPP < 6 + || DesiredBPP > 1.5 * DSCInputBitPerComponent - 1.0 / 16.0 + || DecimalBPP < DesiredBPP) { + return BPP_INVALID; + } else { + return DesiredBPP; + } + } } else if (Format == dm_n422) { - if (DecimalBPP < 7) - return BPP_INVALID; - else if (DecimalBPP >= 2 * DSCInputBitPerComponent - 1 / 16) - return 2 * DSCInputBitPerComponent - 1 / 16; - else - return dml_floor(16 * DecimalBPP, 1) / 16; + if (DesiredBPP == 0) { + if (DecimalBPP < 7) + return BPP_INVALID; + else if (DecimalBPP >= 2 * DSCInputBitPerComponent - 1.0 / 16.0) + return 2 * DSCInputBitPerComponent - 1.0 / 16.0; + else + return dml_floor(16 * DecimalBPP, 1) / 16.0; + } else { + if (DecimalBPP < 7 + || DesiredBPP < 7 + || DesiredBPP > 2 * DSCInputBitPerComponent - 1.0 / 16.0 + || DecimalBPP < DesiredBPP) { + return BPP_INVALID; + } else { + return DesiredBPP; + } + } } else { - if (DecimalBPP < 8) - return BPP_INVALID; - else if (DecimalBPP >= 3 * DSCInputBitPerComponent - 1 / 16) - return 3 * DSCInputBitPerComponent - 1 / 16; - else - return dml_floor(16 * DecimalBPP, 1) / 16; + if (DesiredBPP == 0) { + if (DecimalBPP < 8) + return BPP_INVALID; + else if (DecimalBPP >= 3 * DSCInputBitPerComponent - 1.0 / 16.0) + return 3 * DSCInputBitPerComponent - 1.0 / 16.0; + else + return dml_floor(16 * DecimalBPP, 1) / 16.0; + } else { + if (DecimalBPP < 8 + || DesiredBPP < 8 + || DesiredBPP > 3 * DSCInputBitPerComponent - 1.0 / 16.0 + || DecimalBPP < DesiredBPP) { + return BPP_INVALID; + } else { + return DesiredBPP; + } + } } } else if (Format == dm_420) { - if (DecimalBPP >= 18) + if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18)) return 18; - else if (DecimalBPP >= 15) + else if (DecimalBPP >= 15 && (DesiredBPP == 0 || DesiredBPP == 15)) return 15; - else if (DecimalBPP >= 12) + else if (DecimalBPP >= 12 && (DesiredBPP == 0 || DesiredBPP == 12)) return 12; else return BPP_INVALID; } else if (Format == dm_s422 || Format == dm_n422) { - if (DecimalBPP >= 24) + if (DecimalBPP >= 24 && (DesiredBPP == 0 || DesiredBPP == 24)) return 24; - else if (DecimalBPP >= 20) + else if (DecimalBPP >= 20 && (DesiredBPP == 0 || DesiredBPP == 20)) return 20; - else if (DecimalBPP >= 16) + else if (DecimalBPP >= 16 && (DesiredBPP == 0 || DesiredBPP == 16)) return 16; else return BPP_INVALID; } else { - if (DecimalBPP >= 36) + if (DecimalBPP >= 36 && (DesiredBPP == 0 || DesiredBPP == 36)) return 36; - else if (DecimalBPP >= 30) + else if (DecimalBPP >= 30 && (DesiredBPP == 0 || DesiredBPP == 30)) return 30; - else if (DecimalBPP >= 24) + else if (DecimalBPP >= 24 && (DesiredBPP == 0 || DesiredBPP == 24)) return 24; - else if (DecimalBPP >= 18) + else if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18)) return 18; else return BPP_INVALID; @@ -4137,6 +4171,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode locals->RequiresFEC[i][k] = 0; locals->OutputBppPerState[i][k] = TruncToValidBPP( dml_min(600.0, mode_lib->vba.PHYCLKPerState[i]) / mode_lib->vba.PixelClockBackEnd[k] * 24, + mode_lib->vba.ForcedOutputLinkBPP[k], false, mode_lib->vba.Output[k], mode_lib->vba.OutputFormat[k], @@ -4153,6 +4188,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode mode_lib->vba.Outbpp = TruncToValidBPP( (1.0 - mode_lib->vba.Downspreading / 100.0) * 270.0 * mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0, + mode_lib->vba.ForcedOutputLinkBPP[k], false, mode_lib->vba.Output[k], mode_lib->vba.OutputFormat[k], @@ -4160,6 +4196,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode mode_lib->vba.OutbppDSC = TruncToValidBPP( (1.0 - mode_lib->vba.Downspreading / 100.0) * (1.0 - mode_lib->vba.EffectiveFECOverhead / 100.0) * 270.0 * mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0, + mode_lib->vba.ForcedOutputLinkBPP[k], true, mode_lib->vba.Output[k], mode_lib->vba.OutputFormat[k], @@ -4182,6 +4219,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode mode_lib->vba.Outbpp = TruncToValidBPP( (1.0 - mode_lib->vba.Downspreading / 100.0) * 540.0 * mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0, + mode_lib->vba.ForcedOutputLinkBPP[k], false, mode_lib->vba.Output[k], mode_lib->vba.OutputFormat[k], @@ -4189,6 +4227,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode mode_lib->vba.OutbppDSC = TruncToValidBPP( (1.0 - mode_lib->vba.Downspreading / 100.0) * (1.0 - mode_lib->vba.EffectiveFECOverhead / 100.0) * 540.0 * mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0, + mode_lib->vba.ForcedOutputLinkBPP[k], true, mode_lib->vba.Output[k], mode_lib->vba.OutputFormat[k], @@ -4213,6 +4252,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode mode_lib->vba.Outbpp = TruncToValidBPP( (1.0 - mode_lib->vba.Downspreading / 100.0) * 810.0 * mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0, + mode_lib->vba.ForcedOutputLinkBPP[k], false, mode_lib->vba.Output[k], mode_lib->vba.OutputFormat[k], @@ -4220,6 +4260,7 @@ void dml20v2_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode mode_lib->vba.OutbppDSC = TruncToValidBPP( (1.0 - mode_lib->vba.Downspreading / 100.0) * (1.0 - mode_lib->vba.EffectiveFECOverhead / 100.0) * 810.0 * mode_lib->vba.OutputLinkDPLanes[k] / mode_lib->vba.PixelClockBackEnd[k] * 8.0, + mode_lib->vba.ForcedOutputLinkBPP[k], true, mode_lib->vba.Output[k], mode_lib->vba.OutputFormat[k], |