drm/radeon/cik: log and handle VM page fault interrupts
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 72c7e83..b70f017 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3676,6 +3676,16 @@
break;
}
break;
+ case 146:
+ case 147:
+ 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",
+ RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
+ dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
+ RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
+ /* reset addr and status */
+ WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
+ break;
case 176: /* GFX RB CP_INT */
case 177: /* GFX IB CP_INT */
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index a282168..cc4f28e 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -95,6 +95,10 @@
#define VM_INVALIDATE_REQUEST 0x1478
#define VM_INVALIDATE_RESPONSE 0x147c
+#define VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x14DC
+
+#define VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x14FC
+
#define VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR 0x1518
#define VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR 0x151c