r420_mc_wreg 108 drivers/gpu/drm/radeon/radeon_asic.c rdev->mc_wreg = &r420_mc_wreg; r420_mc_wreg 201 drivers/gpu/drm/radeon/radeon_asic.h extern void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v);