cik_sdma_ring_test 2064 drivers/gpu/drm/radeon/radeon_asic.c 	.ring_test = &cik_sdma_ring_test,
cik_sdma_ring_test  804 drivers/gpu/drm/radeon/radeon_asic.h int cik_sdma_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);