The patch below does not apply to the 6.0-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:
85ef1679a190 ("drm/amdgpu/dm/mst: Fix uninitialized var in pre_compute_mst_dsc_configs_for_state()")
ba891436c2d2 ("drm/amdgpu/mst: Stop ignoring error codes and deadlocking")
876fcc4222e1 ("drm/amd/display: Validate DSC After Enable All New CRTCs")
4d07b0bc4034 ("drm/display/dp_mst: Move all payload info into the atomic state")
6366fc70deb9 ("drm/display/dp_mst: Maintain time slot allocations when deleting payloads")
a5c2c0d164e9 ("drm/display/dp_mst: Add nonblocking helpers for DP MST")
0b4e477e08a1 ("drm/display/dp_mst: Add helper for finding payloads in atomic MST state")
0bee2ae29eb4 ("drm/display/dp_mst: Add some missing kdocs for atomic MST structs")
df78f7f660cd ("drm/display/dp_mst: Call them time slots, not VCPI slots")
48b6b3726fb7 ("drm/display/dp_mst: Rename drm_dp_mst_vcpi_allocation")
dbaadb3cebaa ("drm/amdgpu/dm/mst: Rename get_payload_table()")
8c5e9bbb3662 ("drm/amdgpu/dc/mst: Rename dp_mst_stream_allocation(_table)")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 85ef1679a190a9740f6b72217cb139a0d9c58706 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: ba891436c2d2b2 ("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 59648f5ffb59..6483ba266893 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
@@ -1180,7 +1180,7 @@ 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;
