The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

Possible dependencies:

33ac94dbdfd5 ("drm/amdgpu/dm/mst: Fix uninitialized var in pre_compute_mst_dsc_configs_for_state()") 7cce4cd628be ("drm/amdgpu/mst: Stop ignoring error codes and deadlocking")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 33ac94dbdfd5f0fdd820c82ef930e20ad346a063 Mon Sep 17 00:00:00 2001 From: Lyude Paul lyude@redhat.com Date: Fri, 18 Nov 2022 14:54:05 -0500 Subject: [PATCH] drm/amdgpu/dm/mst: Fix uninitialized var in pre_compute_mst_dsc_configs_for_state()

Coverity noticed this one, so let's fix it.

Fixes: 7cce4cd628be ("drm/amdgpu/mst: Stop ignoring error codes and deadlocking") Signed-off-by: Lyude Paul lyude@redhat.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Reviewed-by: Harry Wentland harry.wentland@amd.com Cc: stable@vger.kernel.org # v5.6+

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 24d859ad4712..1edf7385f8d8 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 @@ -1187,7 +1187,7 @@ static int pre_compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, struct amdgpu_dm_connector *aconnector; struct drm_dp_mst_topology_mgr *mst_mgr; int link_vars_start_index = 0; - int ret; + int ret = 0;

for (i = 0; i < dc_state->stream_count; i++) computed_streams[i] = false;