drm/amdgpu: fix initialization of doorbell array for detect and hang

Initialized doorbells should be set to invalid rather than 0 to prevent
driver from over counting hung doorbells since it checks against the
invalid value to begin with.

Signed-off-by: Jonathan Kim <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: jokim-amd

drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c

@@ -409,7 +409,7 @@ int amdgpu_mes_detect_and_reset_hung_queues(struct amdgpu_device *adev,
 		return -EINVAL;
 
 	/* Clear the doorbell array before detection */
-	memset(adev->mes.hung_queue_db_array_cpu_addr, 0,
+	memset(adev->mes.hung_queue_db_array_cpu_addr, AMDGPU_MES_INVALID_DB_OFFSET,
 		adev->mes.hung_queue_db_array_size * sizeof(u32));
 	input.queue_type = queue_type;
 	input.detect_only = detect_only;