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drm/amd/display: Only finalize atomic_obj if it was initialized

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[Why]
If amdgpu_dm failed to initalize before amdgpu_dm_initialize_drm_device()
completed then freeing atomic_obj will lead to list corruption.

[How]
Check if atomic_obj state is initialized before trying to free.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mario Limonciello
2025-07-15 14:41:46 -05:00
committed by Alex Deucher
parent a5ce8695d6
commit b174084b3f
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -5410,7 +5410,8 @@ fail:
static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm)
{
drm_atomic_private_obj_fini(&dm->atomic_obj);
if (dm->atomic_obj.state)
drm_atomic_private_obj_fini(&dm->atomic_obj);
}
/******************************************************************************