3 files changed, 12 insertions, 6 deletions

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index dcd4518a9b08..0b2471107137 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -7676,14 +7676,16 @@ restart_ih:
                         addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
                         status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
                         mc_client = RREG32(VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
+                        /* reset addr and status */
+                        WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+                        if (addr == 0x0 && status == 0x0)
+                                break;
                         dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
                         dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
                                 addr);
                         dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
                                 status);
                         cik_vm_decode_fault(rdev, status, addr, mc_client);
-                        /* reset addr and status */
-                        WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
                         break;
                 case 167: /* VCE */
                         DRM_DEBUG("IH: VCE int: 0x%08x\n", src_data);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index e2f605224e8c..d5d4d3a86731 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -5066,14 +5066,16 @@ restart_ih:
                 case 147:
                         addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
                         status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
+                        /* reset addr and status */
+                        WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+                        if (addr == 0x0 && status == 0x0)
+                                break;
                         dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
                         dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
                                 addr);
                         dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
                                 status);
                         cayman_vm_decode_fault(rdev, status, addr);
-                        /* reset addr and status */
-                        WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
                         break;
                 case 176: /* CP_INT in ring buffer */
                 case 177: /* CP_INT in IB1 */
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 730cee2c34cf..eba0225259a4 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6376,14 +6376,16 @@ restart_ih:
                 case 147:
                         addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
                         status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
+                        /* reset addr and status */
+                        WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+                        if (addr == 0x0 && status == 0x0)
+                                break;
                         dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
                         dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
                                 addr);
                         dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
                                 status);
                         si_vm_decode_fault(rdev, status, addr);
-                        /* reset addr and status */
-                        WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
                         break;
                 case 176: /* RINGID0 CP_INT */
                         radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);