r600_rcu_wreg    2531 drivers/gpu/drm/radeon/radeon.h #define WREG32_RCU(reg, v) r600_rcu_wreg(rdev, (reg), (v))
r600_rcu_wreg    2585 drivers/gpu/drm/radeon/radeon.h void r600_rcu_wreg(struct radeon_device *rdev, u32 reg, u32 v);