drm/amdgpu: record error code when ring test failed

commit 1f703e6679f373f5bba4efe7093aa82e91af4037 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 9e25eda..c77a1eb 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -288,7 +288,7 @@ 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];
@@ -309,10 +309,11 @@ 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;
 }
 
 /*