> -----Original Message----- > From: Huang Rui [mailto:ray.huang at amd.com] > Sent: Wednesday, May 10, 2017 10:29 PM > To: amd-gfx at lists.freedesktop.org; Deucher, Alexander; Koenig, Christian > Cc: Zhou, David(ChunMing); Wang, Ken; Huan, Alvin; Huang, Ray > Subject: [PATCH 2/2] drm/amdgpu: export test ring debugfs interface > > Signed-off-by: Huang Rui <ray.huang at amd.com> Reviewed-by: Alex Deucher <alexander.deucher at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 44 > ++++++++++++++++++++++++++++-- > 1 file changed, 42 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > index 7becf11..3637396 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > @@ -3625,14 +3625,54 @@ static int amdgpu_debugfs_test_ib(struct > seq_file *m, void *data) > return 0; > } > > +static int amdgpu_ring_tests(struct amdgpu_device *adev) > +{ > + unsigned i; > + int r = 0; > + > + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { > + struct amdgpu_ring *ring = adev->rings[i]; > + > + if (!ring || !ring->ready) > + continue; > + > + r = amdgpu_ring_test_ring(ring); > + if (r) { > + ring->ready = false; > + DRM_ERROR("amdgpu: failed to test ring %d > (%d).\n", > + i, r); > + } > + } > + > + return r; > +} > + > +static int amdgpu_debugfs_test_ring(struct seq_file *m, void *data) > +{ > + struct drm_info_node *node = (struct drm_info_node *) m- > >private; > + struct drm_device *dev = node->minor->dev; > + struct amdgpu_device *adev = dev->dev_private; > + int r = 0; > + > + seq_printf(m, "run ring test:\n"); > + r = amdgpu_ring_tests(adev); > + if (r) > + seq_printf(m, "ring tests failed (%d).\n", r); > + else > + seq_printf(m, "ring tests passed.\n"); > + > + return 0; > +} > + > static const struct drm_info_list amdgpu_debugfs_test_ib_ring_list[] = { > - {"amdgpu_test_ib", &amdgpu_debugfs_test_ib} > + {"amdgpu_test_ib", &amdgpu_debugfs_test_ib}, > + {"amdgpu_test_ring", &amdgpu_debugfs_test_ring} > }; > > static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev) > { > return amdgpu_debugfs_add_files(adev, > - amdgpu_debugfs_test_ib_ring_list, > 1); > + amdgpu_debugfs_test_ib_ring_list, > 2); > } > > int amdgpu_debugfs_init(struct drm_minor *minor) > -- > 2.7.4
