tn_smc_wreg      2529 drivers/gpu/drm/radeon/radeon.h #define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))
tn_smc_wreg      2583 drivers/gpu/drm/radeon/radeon.h void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v);