drm/amdgpu: record error code when ring test failed

Otherwise we may miss errors.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index a31d7ef3032c..ec1282af2479 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -280,7 +280,7 @@ void amdgpu_ib_pool_fini(struct amdgpu_device *adev)
 int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
 {
         unsigned i;
-        int r;
+        int r, ret = 0;
 
         for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
                 struct amdgpu_ring *ring = adev->rings[i];
@@ -301,10 +301,11 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
                         } else {
                                 /* still not good, but we can live with it */
                                 DRM_ERROR("amdgpu: failed testing IB on ring %d (%d).\n", i, r);
+                                ret = r;
                         }
                 }
         }
-        return 0;
+        return ret;
 }
 
 /*