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@xxxxxxxxxxxxxxx>.
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@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 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;
