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authorMikita Lipski <mikita.lipski@amd.com>2021-01-14 17:48:57 +0100
committerAlex Deucher <alexander.deucher@amd.com>2021-02-02 18:10:30 +0100
commitbae72358f6a28e1a7f1a1c5a99e5d870360d8e46 (patch)
tree6f2c212e01615aa341790767d7d7a97ed86448a6
parentdrm/amd/display: Revert "Fix EDID parsing after resume from suspend" (diff)
downloadlinux-bae72358f6a28e1a7f1a1c5a99e5d870360d8e46.tar.xz
linux-bae72358f6a28e1a7f1a1c5a99e5d870360d8e46.zip
drm/amd/display: Release DSC before acquiring
[why] Need to unassign DSC from pipes that are not using it so other pipes can acquire it. That is needed for asic's that have unmatching number of DSC engines from the number of pipes. [how] Before acquiring dsc to stream resources, first remove it. Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Reviewed-by: Eryk Brol <Eryk.Brol@amd.com> Acked-by: Anson Jacob <Anson.Jacob@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 5b0a4a7479e2..41b09ab22233 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -832,6 +832,9 @@ bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
if (computed_streams[i])
continue;
+ if (dcn20_remove_stream_from_ctx(stream->ctx->dc, dc_state, stream) != DC_OK)
+ return false;
+
mutex_lock(&aconnector->mst_mgr.lock);
if (!compute_mst_dsc_configs_for_link(state, dc_state, stream->link)) {
mutex_unlock(&aconnector->mst_mgr.lock);
@@ -849,7 +852,8 @@ bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
stream = dc_state->streams[i];
if (stream->timing.flags.DSC == 1)
- dc_stream_add_dsc_to_resource(stream->ctx->dc, dc_state, stream);
+ if (dc_stream_add_dsc_to_resource(stream->ctx->dc, dc_state, stream) != DC_OK)
+ return false;
}
return true;