radeon_ring_test
r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
r = radeon_ring_test(rdev, idx, &rdev->ring[idx]);
r = radeon_ring_test(rdev, ring->idx, ring);
r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
r = radeon_ring_test(rdev, ring->idx, ring);
r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
r = radeon_ring_test(rdev, R600_RING_TYPE_DMA_INDEX, ring);
int radeon_ring_test(struct radeon_device *rdev, struct radeon_ring *cp);
r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
r = radeon_ring_test(rdev, R600_RING_TYPE_UVD_INDEX, ring);
r = radeon_ring_test(rdev, TN_RING_TYPE_VCE1_INDEX, ring);
r = radeon_ring_test(rdev, TN_RING_TYPE_VCE2_INDEX, ring);