cik_dma_vm_flush 2067 drivers/gpu/drm/radeon/radeon_asic.c 	.vm_flush = &cik_dma_vm_flush,
cik_dma_vm_flush  848 drivers/gpu/drm/radeon/radeon_asic.h void cik_dma_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,