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drm/amd/display: correct DML calc error

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[Why]
DML calculation is different from HW formula.

[How]
Correct the bug to keep it same as HW formula.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Sherry Wang <Yao.Wang1@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sherry Wang
2022-10-09 17:05:51 +08:00
committed by Alex Deucher
parent 4424371911
commit 05ffbdf4db
3 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
View File

@@ -4939,8 +4939,8 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
}
v->TotImmediateFlipBytes = 0.0;
for (k = 0; k <= v->NumberOfActivePlanes - 1; k++) {
v->TotImmediateFlipBytes = v->TotImmediateFlipBytes + v->NoOfDPP[i][j][k] * v->PDEAndMetaPTEBytesPerFrame[i][j][k]
+ v->MetaRowBytes[i][j][k] + v->DPTEBytesPerRow[i][j][k];
v->TotImmediateFlipBytes = v->TotImmediateFlipBytes + v->NoOfDPP[i][j][k] * (v->PDEAndMetaPTEBytesPerFrame[i][j][k]
+ v->MetaRowBytes[i][j][k] + v->DPTEBytesPerRow[i][j][k]);
}
for (k = 0; k <= v->NumberOfActivePlanes - 1; k++) {

4
drivers/gpu/drm/amd/display/dc/dml/dcn31/display_mode_vba_31.c
View File

@@ -5274,8 +5274,8 @@ void dml31_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
v->TotImmediateFlipBytes = 0.0;
for (k = 0; k < v->NumberOfActivePlanes; k++) {
v->TotImmediateFlipBytes = v->TotImmediateFlipBytes
+ v->NoOfDPP[i][j][k] * v->PDEAndMetaPTEBytesPerFrame[i][j][k] + v->MetaRowBytes[i][j][k]
+ v->DPTEBytesPerRow[i][j][k];
+ v->NoOfDPP[i][j][k] * (v->PDEAndMetaPTEBytesPerFrame[i][j][k] + v->MetaRowBytes[i][j][k]
+ v->DPTEBytesPerRow[i][j][k]);
}
for (k = 0; k < v->NumberOfActivePlanes; k++) {

4
drivers/gpu/drm/amd/display/dc/dml/dcn314/display_mode_vba_314.c
View File

@@ -5371,8 +5371,8 @@ void dml314_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_
v->TotImmediateFlipBytes = 0.0;
for (k = 0; k < v->NumberOfActivePlanes; k++) {
v->TotImmediateFlipBytes = v->TotImmediateFlipBytes
+ v->NoOfDPP[i][j][k] * v->PDEAndMetaPTEBytesPerFrame[i][j][k] + v->MetaRowBytes[i][j][k]
+ v->DPTEBytesPerRow[i][j][k];
+ v->NoOfDPP[i][j][k] * (v->PDEAndMetaPTEBytesPerFrame[i][j][k] + v->MetaRowBytes[i][j][k]
+ v->DPTEBytesPerRow[i][j][k]);
}
for (k = 0; k < v->NumberOfActivePlanes; k++) {