From 9ba90d760e9354c124fa9bbea08017d96699a82c Mon Sep 17 00:00:00 2001 From: Dmytro Laktyushkin Date: Fri, 9 Dec 2022 15:13:18 -0500 Subject: 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 Reviewed-by: Charlene Liu Acked-by: Rodrigo Siqueira Signed-off-by: Dmytro Laktyushkin Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c') 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] += -- cgit v1.2.3 From c60c9a5f9ab659e5ca9fa0e485a28e82fba761ce Mon Sep 17 00:00:00 2001 From: Srinivasan Shanmugam Date: Wed, 31 May 2023 00:34:10 +0530 Subject: drm/amd/display: Fix up kdoc formatting in display_mode_vba.c Fixes the following W=1 kernel build warning: drivers/gpu/drm/amd/amdgpu/../display/dc/dml/display_mode_vba.c:936: warning: Cannot understand * ************************************************************************* Cc: Aurabindo Pillai Signed-off-by: Srinivasan Shanmugam Reviewed-by: Aurabindo Pillai Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c') 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 2f63ae954826..9a3ded311195 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 @@ -933,18 +933,16 @@ static void fetch_pipe_params(struct display_mode_lib *mode_lib) } /** - * ******************************************************************************************** * cache_debug_params: Cache any params that needed to be maintained from the initial validation * for debug purposes. * * The DML getters can modify some of the VBA params that we are interested in (for example when * calculating with dummy p-state latency), so cache any params here that we want for debugging * - * @param [in] mode_lib: mode_lib input/output of validate call + * @mode_lib: mode_lib input/output of validate call * - * @return: void + * Return: void * - * ******************************************************************************************** */ static void cache_debug_params(struct display_mode_lib *mode_lib) { -- cgit v1.2.3