rs400_mc_rreg     115 drivers/gpu/drm/radeon/radeon_asic.c 		rdev->mc_rreg = &rs400_mc_rreg;
rs400_mc_rreg     216 drivers/gpu/drm/radeon/radeon_asic.h uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg);