drm/amdgpu: cleanup gmc_v10_0_process_interrupt a bit

Return early in case of a ratelimit and don't print leading zeros for
the address.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index d939932..cffc3ca 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -95,6 +95,7 @@ static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
                                       struct amdgpu_iv_entry *entry)
 {
        struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src];
+       struct amdgpu_task_info task_info;
        uint32_t status = 0;
        u64 addr;
 
@@ -115,24 +116,25 @@ static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
                WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
        }
 
-       if (printk_ratelimit()) {
-               struct amdgpu_task_info task_info;
-
-               memset(&task_info, 0, sizeof(struct amdgpu_task_info));
-               amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
-
-               dev_err(adev->dev,
-                       "[%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",
-                       entry->src_id, entry->ring_id, entry->vmid,
-                       entry->pasid, task_info.process_name, task_info.tgid,
-                       task_info.task_name, task_info.pid);
-               dev_err(adev->dev, "  in page starting at address 0x%016llx from client %d\n",
-                       addr, entry->client_id);
-               if (!amdgpu_sriov_vf(adev))
-                       hub->vmhub_funcs->print_l2_protection_fault_status(adev, status);
-       }
+       if (!printk_ratelimit())
+               return 0;
+
+       memset(&task_info, 0, sizeof(struct amdgpu_task_info));
+       amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
+
+       dev_err(adev->dev,
+               "[%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",
+               entry->src_id, entry->ring_id, entry->vmid,
+               entry->pasid, task_info.process_name, task_info.tgid,
+               task_info.task_name, task_info.pid);
+       dev_err(adev->dev, "  in page starting at address 0x%012llx from client %d\n",
+               addr, entry->client_id);
+
+       if (!amdgpu_sriov_vf(adev))
+               hub->vmhub_funcs->print_l2_protection_fault_status(adev,
+                                                                  status);
 
        return 0;
 }