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path: root/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c20
1 files changed, 14 insertions, 6 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 ad66e241f9ae..debe46b24a3e 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
@@ -1726,7 +1726,8 @@ unsigned int dml32_DSCDelayRequirement(bool DSCEnabled,
enum output_format_class OutputFormat,
enum output_encoder_class Output,
double PixelClock,
- double PixelClockBackEnd)
+ double PixelClockBackEnd,
+ double dsc_delay_factor_wa)
{
unsigned int DSCDelayRequirement_val;
@@ -1746,7 +1747,7 @@ unsigned int dml32_DSCDelayRequirement(bool DSCEnabled,
}
DSCDelayRequirement_val = DSCDelayRequirement_val + (HTotal - HActive) *
- dml_ceil(DSCDelayRequirement_val / HActive, 1);
+ dml_ceil((double)DSCDelayRequirement_val / HActive, 1);
DSCDelayRequirement_val = DSCDelayRequirement_val * PixelClock / PixelClockBackEnd;
@@ -1764,7 +1765,7 @@ unsigned int dml32_DSCDelayRequirement(bool DSCEnabled,
dml_print("DML::%s: DSCDelayRequirement_val = %d\n", __func__, DSCDelayRequirement_val);
#endif
- return DSCDelayRequirement_val;
+ return dml_ceil(DSCDelayRequirement_val * dsc_delay_factor_wa, 1);
}
void dml32_CalculateSurfaceSizeInMall(
@@ -3416,6 +3417,7 @@ bool dml32_CalculatePrefetchSchedule(
unsigned int SwathHeightY,
unsigned int SwathHeightC,
double TWait,
+ double TPreReq,
/* Output */
double *DSTXAfterScaler,
double *DSTYAfterScaler,
@@ -3666,6 +3668,7 @@ bool dml32_CalculatePrefetchSchedule(
dst_y_prefetch_equ = VStartup - (*TSetup + dml_max(TWait + TCalc, *Tdmdl)) / LineTime -
(*DSTYAfterScaler + (double) *DSTXAfterScaler / (double) myPipe->HTotal);
+ dst_y_prefetch_equ = dml_min(dst_y_prefetch_equ, __DML_VBA_MAX_DST_Y_PRE__);
#ifdef __DML_VBA_DEBUG__
dml_print("DML::%s: HTotal = %d\n", __func__, myPipe->HTotal);
dml_print("DML::%s: min_Lsw = %f\n", __func__, min_Lsw);
@@ -3725,7 +3728,8 @@ bool dml32_CalculatePrefetchSchedule(
*VRatioPrefetchY = 0;
*VRatioPrefetchC = 0;
*RequiredPrefetchPixDataBWLuma = 0;
- if (dst_y_prefetch_equ > 1) {
+ if (dst_y_prefetch_equ > 1 &&
+ (Tpre_rounded >= TPreReq || dst_y_prefetch_equ == __DML_VBA_MAX_DST_Y_PRE__)) {
double PrefetchBandwidth1;
double PrefetchBandwidth2;
double PrefetchBandwidth3;
@@ -3871,7 +3875,11 @@ bool dml32_CalculatePrefetchSchedule(
}
if (dst_y_prefetch_oto < dst_y_prefetch_equ) {
- *DestinationLinesForPrefetch = dst_y_prefetch_oto;
+ if (dst_y_prefetch_oto * LineTime < TPreReq) {
+ *DestinationLinesForPrefetch = dst_y_prefetch_equ;
+ } else {
+ *DestinationLinesForPrefetch = dst_y_prefetch_oto;
+ }
TimeForFetchingMetaPTE = Tvm_oto;
TimeForFetchingRowInVBlank = Tr0_oto;
*PrefetchBandwidth = prefetch_bw_oto;
@@ -4396,7 +4404,7 @@ void dml32_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport(
if (v->NumberOfActiveSurfaces > 1) {
ActiveClockChangeLatencyHidingY = ActiveClockChangeLatencyHidingY
- - (1 - 1 / v->NumberOfActiveSurfaces) * SwathHeightY[k] * v->HTotal[k]
+ - (1.0 - 1.0 / v->NumberOfActiveSurfaces) * SwathHeightY[k] * v->HTotal[k]
/ v->PixelClock[k] / v->VRatio[k];
}