radeon_dma2_index  525 drivers/gpu/drm/radeon/radeon_ring.c static int radeon_dma2_index = CAYMAN_RING_TYPE_DMA1_INDEX;
radeon_dma2_index  535 drivers/gpu/drm/radeon/radeon_ring.c 	{"radeon_ring_dma2", radeon_debugfs_ring_info, 0, &radeon_dma2_index},