Commit 3bb57557 authored by Mario Limonciello's avatar Mario Limonciello Committed by Alex Deucher
Browse files

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



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: default avatar <Klaus.Kusche@computerix.info>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/2671


Fixes: efa4c4df ("drm/amd/display: call remove_stream_from_ctx from res_pool funcs")
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 90e06567

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

+1 −1
Original line number Diff line number Diff line
@@ -1320,7 +1320,7 @@ 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;