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authorDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>2022-12-09 15:13:18 -0500
committerAlex Deucher <alexander.deucher@amd.com>2023-04-24 18:36:45 -0400
commit9ba90d760e9354c124fa9bbea08017d96699a82c (patch)
treecffff4ef99aaea3f3cf433f9d1ac6940a5067b08 /drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
parentdrm/amd/display: Limit DCN32 8 channel or less parts to DPM1 for FPO (diff)
downloadlinux-9ba90d760e9354c124fa9bbea08017d96699a82c.tar.gz
linux-9ba90d760e9354c124fa9bbea08017d96699a82c.zip
drm/amd/display: add pixel rate based CRB allocation support
This feature is meant to unblock PSTATE for certain high end display configs on dcn315. This is achieved by allocating CRB to detile buffer based on display requirements to meet pstate latency hiding needs. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
index f9653f511baa..2f63ae954826 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
@@ -571,6 +571,10 @@ static void fetch_pipe_params(struct display_mode_lib *mode_lib)
mode_lib->vba.OutputLinkDPRate[mode_lib->vba.NumberOfActivePlanes] = dout->dp_rate;
mode_lib->vba.ODMUse[mode_lib->vba.NumberOfActivePlanes] = dst->odm_combine_policy;
mode_lib->vba.DETSizeOverride[mode_lib->vba.NumberOfActivePlanes] = src->det_size_override;
+ if (src->det_size_override)
+ mode_lib->vba.DETBufferSizeInKByte[mode_lib->vba.NumberOfActivePlanes] = src->det_size_override;
+ else
+ mode_lib->vba.DETBufferSizeInKByte[mode_lib->vba.NumberOfActivePlanes] = ip->det_buffer_size_kbytes;
//TODO: Need to assign correct values to dp_multistream vars
mode_lib->vba.OutputMultistreamEn[mode_lib->vba.NumberOfActiveSurfaces] = dout->dp_multistream_en;
mode_lib->vba.OutputMultistreamId[mode_lib->vba.NumberOfActiveSurfaces] = dout->dp_multistream_id;
@@ -785,6 +789,8 @@ static void fetch_pipe_params(struct display_mode_lib *mode_lib)
mode_lib->vba.pipe_plane[k] =
mode_lib->vba.NumberOfActivePlanes;
mode_lib->vba.DPPPerPlane[mode_lib->vba.NumberOfActivePlanes]++;
+ if (src_k->det_size_override)
+ mode_lib->vba.DETBufferSizeInKByte[mode_lib->vba.NumberOfActivePlanes] = src_k->det_size_override;
if (mode_lib->vba.SourceScan[mode_lib->vba.NumberOfActivePlanes]
== dm_horz) {
mode_lib->vba.ViewportWidth[mode_lib->vba.NumberOfActivePlanes] +=