diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c | 16 |
1 files changed, 10 insertions, 6 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 c26e742e8137..4136eb8256cb 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 @@ -841,6 +841,9 @@ static bool CalculatePrefetchSchedule( else *DestinationLinesForPrefetch = dst_y_prefetch_equ; + // Limit to prevent overflow in DST_Y_PREFETCH register + *DestinationLinesForPrefetch = dml_min(*DestinationLinesForPrefetch, 63.75); + dml_print("DML: VStartup: %d\n", VStartup); dml_print("DML: TCalc: %f\n", TCalc); dml_print("DML: TWait: %f\n", TWait); @@ -2267,7 +2270,7 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman &locals->UrgentBurstFactorLumaPre[k], &locals->UrgentBurstFactorChroma[k], &locals->UrgentBurstFactorChromaPre[k], - &locals->NotEnoughUrgentLatencyHiding, + &locals->NotEnoughUrgentLatencyHiding[0][0], &locals->NotEnoughUrgentLatencyHidingPre); if (mode_lib->vba.UseUrgentBurstBandwidth == false) { @@ -2300,7 +2303,8 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman } mode_lib->vba.FractionOfUrgentBandwidth = MaxTotalRDBandwidthNoUrgentBurst / mode_lib->vba.ReturnBW; - if (MaxTotalRDBandwidth <= mode_lib->vba.ReturnBW && locals->NotEnoughUrgentLatencyHiding == 0 && locals->NotEnoughUrgentLatencyHidingPre == 0 && !VRatioPrefetchMoreThan4 + if (MaxTotalRDBandwidth <= mode_lib->vba.ReturnBW && locals->NotEnoughUrgentLatencyHiding[0][0] == 0 && + locals->NotEnoughUrgentLatencyHidingPre == 0 && !VRatioPrefetchMoreThan4 && !DestinationLineTimesForPrefetchLessThan2) mode_lib->vba.PrefetchModeSupported = true; else { @@ -4821,7 +4825,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l &locals->UrgentBurstFactorLumaPre[k], &locals->UrgentBurstFactorChroma[k], &locals->UrgentBurstFactorChromaPre[k], - &locals->NotEnoughUrgentLatencyHiding, + &locals->NotEnoughUrgentLatencyHiding[0][0], &locals->NotEnoughUrgentLatencyHidingPre); if (mode_lib->vba.UseUrgentBurstBandwidth == false) { @@ -4848,13 +4852,13 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l } locals->BandwidthWithoutPrefetchSupported[i][0] = true; if (mode_lib->vba.MaximumReadBandwidthWithoutPrefetch > locals->ReturnBWPerState[i][0] - || locals->NotEnoughUrgentLatencyHiding == 1) { + || locals->NotEnoughUrgentLatencyHiding[0][0] == 1) { locals->BandwidthWithoutPrefetchSupported[i][0] = false; } locals->PrefetchSupported[i][j] = true; if (mode_lib->vba.MaximumReadBandwidthWithPrefetch > locals->ReturnBWPerState[i][0] - || locals->NotEnoughUrgentLatencyHiding == 1 + || locals->NotEnoughUrgentLatencyHiding[0][0] == 1 || locals->NotEnoughUrgentLatencyHidingPre == 1) { locals->PrefetchSupported[i][j] = false; } @@ -4889,7 +4893,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l } } while ((locals->PrefetchSupported[i][j] != true || locals->VRatioInPrefetchSupported[i][j] != true) && (mode_lib->vba.NextMaxVStartup != mode_lib->vba.MaxMaxVStartup[0][0] - || mode_lib->vba.NextPrefetchMode < mode_lib->vba.MaxPrefetchMode)); + || mode_lib->vba.NextPrefetchMode <= mode_lib->vba.MaxPrefetchMode)); if (locals->PrefetchSupported[i][j] == true && locals->VRatioInPrefetchSupported[i][j] == true) { mode_lib->vba.BandwidthAvailableForImmediateFlip = locals->ReturnBWPerState[i][0]; |