diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c index 5bc80b6084da..a576eed94d9b 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c @@ -3190,6 +3190,7 @@ static void CalculateFlipSchedule( double TimeForFetchingRowInVBlankImmediateFlip; double ImmediateFlipBW; double HostVMInefficiencyFactor; + double VRatioClamped; if (GPUVMEnable == true && HostVMEnable == true) { HostVMInefficiencyFactor = @@ -3222,31 +3223,32 @@ static void CalculateFlipSchedule( *DestinationLinesToRequestRowInImmediateFlip = dml_ceil(4.0 * (TimeForFetchingRowInVBlankImmediateFlip / LineTime), 1) / 4.0; *final_flip_bw = dml_max(PDEAndMetaPTEBytesPerFrame * HostVMInefficiencyFactor / (*DestinationLinesToRequestVMInImmediateFlip * LineTime), (MetaRowBytes + DPTEBytesPerRow) * HostVMInefficiencyFactor / (*DestinationLinesToRequestRowInImmediateFlip * LineTime)); + VRatioClamped = (VRatio < 1.0) ? 1.0 : VRatio; if (SourcePixelFormat == dm_420_8 || SourcePixelFormat == dm_420_10) { if (GPUVMEnable == true && DCCEnable != true) { min_row_time = dml_min( - dpte_row_height * LineTime / VRatio, - dpte_row_height_chroma * LineTime / (VRatio / 2)); + dpte_row_height * LineTime / VRatioClamped, + dpte_row_height_chroma * LineTime / (VRatioClamped / 2)); } else if (GPUVMEnable != true && DCCEnable == true) { min_row_time = dml_min( - meta_row_height * LineTime / VRatio, - meta_row_height_chroma * LineTime / (VRatio / 2)); + meta_row_height * LineTime / VRatioClamped, + meta_row_height_chroma * LineTime / (VRatioClamped / 2)); } else { min_row_time = dml_min4( - dpte_row_height * LineTime / VRatio, - meta_row_height * LineTime / VRatio, - dpte_row_height_chroma * LineTime / (VRatio / 2), - meta_row_height_chroma * LineTime / (VRatio / 2)); + dpte_row_height * LineTime / VRatioClamped, + meta_row_height * LineTime / VRatioClamped, + dpte_row_height_chroma * LineTime / (VRatioClamped / 2), + meta_row_height_chroma * LineTime / (VRatioClamped / 2)); } } else { if (GPUVMEnable == true && DCCEnable != true) { - min_row_time = dpte_row_height * LineTime / VRatio; + min_row_time = dpte_row_height * LineTime / VRatioClamped; } else if (GPUVMEnable != true && DCCEnable == true) { - min_row_time = meta_row_height * LineTime / VRatio; + min_row_time = meta_row_height * LineTime / VRatioClamped; } else { min_row_time = dml_min( - dpte_row_height * LineTime / VRatio, - meta_row_height * LineTime / VRatio); + dpte_row_height * LineTime / VRatioClamped, + meta_row_height * LineTime / VRatioClamped); } } |