iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd/display: Add extra mblk for DCC

Browse Source 
[Why]
DCC meta was found to be detached from usable pixel data. Due to this
DCC meta and the end of the fetched part of the frame will be on not
be on the same mblk. Furthermore if the meta is not aligned to the mblk
size, then we require an extra mblk in MALL to account for this.

[How]
Always add an additional mblk when DCC is enabled for detachment and
misalignment.

Tested-by: Daniel Wheeler <Daniel.Wheeler@amd.com>
Reviewed-by: Dillon Varone <Dillon.Varone@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Saaem Rizvi <SyedSaaem.Rizvi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Saaem Rizvi 2022-12-15 10:38:16 -05:00 committed by Alex Deucher
parent 689008e11f
commit b5c397c837
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
View File

@ -1833,15 +1833,15 @@ void dml32_CalculateSurfaceSizeInMall(
}
if (DCCEnable[k] == true) {
SurfaceSizeInMALL[k] = SurfaceSizeInMALL[k] +
dml_min(dml_ceil(DCCMetaPitchY[k], 8 * Read256BytesBlockWidthY[k]),
(dml_min(dml_ceil(DCCMetaPitchY[k], 8 * Read256BytesBlockWidthY[k]),
dml_floor(ViewportXStartY[k] + ViewportWidthY[k] + 8 *
Read256BytesBlockWidthY[k] - 1, 8 * Read256BytesBlockWidthY[k])
- dml_floor(ViewportXStartY[k], 8 * Read256BytesBlockWidthY[k]))
* dml_min(dml_ceil(SurfaceHeightY[k], 8 *
Read256BytesBlockHeightY[k]), dml_floor(ViewportYStartY[k] +
ViewportHeightY[k] + 8 * Read256BytesBlockHeightY[k] - 1, 8 *
Read256BytesBlockHeightY[k]) - dml_floor(ViewportYStartY[k], 8
* Read256BytesBlockHeightY[k])) * BytesPerPixelY[k] / 256;
Read256BytesBlockHeightY[k]) - dml_floor(ViewportYStartY[k], 8 *
Read256BytesBlockHeightY[k])) * BytesPerPixelY[k] / 256) + (64 * 1024);
if (Read256BytesBlockWidthC[k] > 0) {
SurfaceSizeInMALL[k] = SurfaceSizeInMALL[k] +
dml_min(dml_ceil(DCCMetaPitchC[k], 8 *
@ -1877,12 +1877,12 @@ void dml32_CalculateSurfaceSizeInMall(
}
if (DCCEnable[k] == true) {
SurfaceSizeInMALL[k] = SurfaceSizeInMALL[k] +
dml_ceil(dml_min(DCCMetaPitchY[k], ViewportWidthY[k] + 8 *
(dml_ceil(dml_min(DCCMetaPitchY[k], ViewportWidthY[k] + 8 *
Read256BytesBlockWidthY[k] - 1), 8 *
Read256BytesBlockWidthY[k]) *
dml_ceil(dml_min(SurfaceHeightY[k], ViewportHeightY[k] + 8 *
Read256BytesBlockHeightY[k] - 1), 8 *
Read256BytesBlockHeightY[k]) * BytesPerPixelY[k] / 256;
Read256BytesBlockHeightY[k]) * BytesPerPixelY[k] / 256) + (64 * 1024);
if (Read256BytesBlockWidthC[k] > 0) {
SurfaceSizeInMALL[k] = SurfaceSizeInMALL[k] +