extern void radeon_ib_bogus_add(struct radeon_device *rdev, struct radeon_ib *ib);
/* Ring access between begin & end cannot sleep */
void radeon_ring_free_size(struct radeon_device *rdev);
extern void radeon_ib_bogus_add(struct radeon_device *rdev, struct radeon_ib *ib);
/* Ring access between begin & end cannot sleep */
void radeon_ring_free_size(struct radeon_device *rdev);