Am 30.08.2016 um 16:24 schrieb Deucher, Alexander: >> -----Original Message----- >> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf >> Of Chunming Zhou >> Sent: Tuesday, August 30, 2016 5:59 AM >> To: amd-gfx at lists.freedesktop.org >> Cc: Zhou, David(ChunMing) >> Subject: [PATCH] drm/amdgpu: record error code when ring test failed >> >> Change-Id: I3a59f602a4d5ec42c8c184daa14eb8194b0dab9e >> Signed-off-by: Chunming Zhou <David1.Zhou at amd.com> >> --- >> drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 5 +++-- >> 1 file 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 f5810f7..8c17888 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; > Hmm, I think that was intentional so as not to fail completely even if some of the engines aren't working. Yeah, I've had the same concern so I double checked it. The driver just prints an additional error message and continuous with the startup. In general I think it makes sense to return an error here, cause then we can easily identify cases where we need to fallback to a full engine reset. Christian. > Alex > >> } >> } >> } >> - return 0; >> + return ret; >> } >> >> /* >> -- >> 1.9.1 >> >> _______________________________________________ >> amd-gfx mailing list >> amd-gfx at lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/amd-gfx > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
