cik_sdma_set_wptr 2070 drivers/gpu/drm/radeon/radeon_asic.c 	.set_wptr = &cik_sdma_set_wptr,
cik_sdma_set_wptr  867 drivers/gpu/drm/radeon/radeon_asic.h void cik_sdma_set_wptr(struct radeon_device *rdev,