Merge tag 'char-misc-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...

[uclinux-h8/linux.git] / drivers / gpu / drm / amd / amdgpu / gmc_v7_0.c

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 774528a..fab5471 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -1262,6 +1262,12 @@ static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev,
        addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
        status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
        mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
+       /* reset addr and status */
+       WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
+
+       if (!addr && !status)
+               return 0;
+
        dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
                entry->src_id, entry->src_data);
        dev_err(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
@@ -1269,8 +1275,6 @@ static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev,
        dev_err(adev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
                status);
        gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client);
-       /* reset addr and status */
-       WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
 
        return 0;
 }