drm/amdgpu: improve GMC v9 page fault message

Note if this is a retry fault or not and cleanup the message a bit.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

@@ -305,6 +305,7 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
 				struct amdgpu_iv_entry *entry)
 {
 	struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src];
+	bool retry_fault = !!(entry->src_data[1] & 0x80);
 	uint32_t status = 0;
 	u64 addr;
 
@@ -326,8 +327,10 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
 		amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
 
 		dev_err(adev->dev,
-			"[%s] VMC page fault (src_id:%u ring:%u vmid:%u pasid:%u, for process %s pid %d thread %s pid %d)\n",
+			"[%s] %s page fault (src_id:%u ring:%u vmid:%u "
+			"pasid:%u, for process %s pid %d thread %s pid %d)\n",
 			entry->vmid_src ? "mmhub" : "gfxhub",
+			retry_fault ? "retry" : "no-retry",
 			entry->src_id, entry->ring_id, entry->vmid,
 			entry->pasid, task_info.process_name, task_info.tgid,
 			task_info.task_name, task_info.pid);