cik_mm_rdoorbell 2487 drivers/gpu/drm/radeon/radeon.h u32 cik_mm_rdoorbell(struct radeon_device *rdev, u32 index);
cik_mm_rdoorbell 2569 drivers/gpu/drm/radeon/radeon.h #define RDOORBELL32(index) cik_mm_rdoorbell(rdev, (index))