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authorChristian König <christian.koenig@amd.com>2015-09-10 16:00:39 +0300
committerAlex Deucher <alexander.deucher@amd.com>2015-10-14 23:16:39 +0300
commitce0c6bcda6d0d9fc9df65dccb46a68b79ba6f018 (patch)
tree73105180178d171b457051b66df63277ba70ba0d
parent39ff8449c5680466f568be57fbf79845ff5529ab (diff)
downloadlinux-ce0c6bcda6d0d9fc9df65dccb46a68b79ba6f018.tar.xz
drm/amdgpu: only print meaningful VM faults
Port of radeon commit 9b7d786b900baf7c0d1a7e211570aef1cb27590f. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c8
2 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 774528ab8704..fab5471d25d7 100644
--- 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;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 9a07742620d0..7bc9e9fcf3d2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1262,6 +1262,12 @@ static int gmc_v8_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_v8_0_process_interrupt(struct amdgpu_device *adev,
dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
status);
gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client);
- /* reset addr and status */
- WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
return 0;
}