diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c index 6266b0788387..7bf4bb7ad044 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20.c @@ -4356,12 +4356,16 @@ void dml20_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l locals->PSCL_FACTOR[k] / locals->ReturnBWPerState[i][0], locals->EffectiveLBLatencyHidingSourceLinesLuma), locals->SwathHeightYPerState[i][j][k]); - - locals->EffectiveDETLBLinesChroma = dml_floor(locals->LinesInDETChroma + dml_min( - locals->LinesInDETChroma * locals->RequiredDISPCLK[i][j] * locals->BytePerPixelInDETC[k] * - locals->PSCL_FACTOR_CHROMA[k] / locals->ReturnBWPerState[i][0], - locals->EffectiveLBLatencyHidingSourceLinesChroma), - locals->SwathHeightCPerState[i][j][k]); + if (locals->LinesInDETChroma) { + locals->EffectiveDETLBLinesChroma = dml_floor(locals->LinesInDETChroma + + dml_min(locals->LinesInDETChroma * locals->RequiredDISPCLK[i][j] * + locals->BytePerPixelInDETC[k] * + locals->PSCL_FACTOR_CHROMA[k] / locals->ReturnBWPerState[i][0], + locals->EffectiveLBLatencyHidingSourceLinesChroma), + locals->SwathHeightCPerState[i][j][k]); + } else { + locals->EffectiveDETLBLinesChroma = 0; + } if (locals->BytePerPixelInDETC[k] == 0) { locals->UrgentLatencySupportUsPerState[i][j][k] = locals->EffectiveDETLBLinesLuma * (locals->HTotal[k] / locals->PixelClock[k]) |