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drm/amd/display: Fix a regression on Polaris cards

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DCE products don't define a `remove_stream_from_ctx` like DCN ones
do. This means that when compute_mst_dsc_configs_for_state() is called
it always returns -EINVAL which causes MST to fail to setup.

Cc: stable@vger.kernel.org # 6.4.y
Cc: Harry Wentland <Harry.Wentland@amd.com>
Reported-by: Klaus.Kusche@computerix.info
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2671
Fixes: efa4c4df86 ("drm/amd/display: call remove_stream_from_ctx from res_pool funcs")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mario Limonciello
2023-07-28 17:04:01 -05:00
committed by Alex Deucher
parent 29013f607b
commit 7ffcbd1a1f
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+1 -1
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@@ -1327,7 +1327,7 @@ int compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
if (computed_streams[i])
continue;
if (!res_pool->funcs->remove_stream_from_ctx ||
if (res_pool->funcs->remove_stream_from_ctx &&
res_pool->funcs->remove_stream_from_ctx(stream->ctx->dc, dc_state, stream) != DC_OK)
return -EINVAL;