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authorWenjing Liu <[email protected]>2022-06-29 14:55:43 -0400
committerAlex Deucher <[email protected]>2022-07-25 09:31:01 -0400
commite6c64182ed946f1cb65799de9ee75f8bcc42b2c6 (patch)
tree0287cb1d1afbfc52772e48bfdd678f44e824c97a
parent473683a03495a5ed9c75a02c7497f32d6cf92c7a (diff)
drm/amd/display: remove number of DSC slices override in DML
[why] Number of DSC slices is an input to DML with high dependency on display specific capability. This isn't something DML can decide on its own. DML has to use the original number of DSC slices input to DML during validation without modification. Otherwise the computed DSC delay will not reflect the current configuration and therefore causes validation failures. [how] Remove DML override for number of DSC slices parameter. Tested-by: Daniel Wheeler <[email protected]> Reviewed-by: Alvin Lee <[email protected]> Acked-by: Alan Liu <[email protected]> Signed-off-by: Wenjing Liu <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
index 349e36ae9333..9944f58f0db9 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
@@ -1897,26 +1897,6 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
v->MaximumSwathWidthInLineBufferChroma);
}
- /*Number Of DSC Slices*/
- for (k = 0; k < mode_lib->vba.NumberOfActiveSurfaces; ++k) {
- if (mode_lib->vba.BlendingAndTiming[k] == k) {
- if (mode_lib->vba.PixelClockBackEnd[k] > 4800) {
- mode_lib->vba.NumberOfDSCSlices[k] = dml_ceil(mode_lib->vba.PixelClockBackEnd[k] / 600,
- 4);
- } else if (mode_lib->vba.PixelClockBackEnd[k] > 2400) {
- mode_lib->vba.NumberOfDSCSlices[k] = 8;
- } else if (mode_lib->vba.PixelClockBackEnd[k] > 1200) {
- mode_lib->vba.NumberOfDSCSlices[k] = 4;
- } else if (mode_lib->vba.PixelClockBackEnd[k] > 340) {
- mode_lib->vba.NumberOfDSCSlices[k] = 2;
- } else {
- mode_lib->vba.NumberOfDSCSlices[k] = 1;
- }
- } else {
- mode_lib->vba.NumberOfDSCSlices[k] = 0;
- }
- }
-
dml32_CalculateSwathAndDETConfiguration(
mode_lib->vba.DETSizeOverride,
mode_lib->vba.UsesMALLForPStateChange,