tn_smc_rreg      2528 drivers/gpu/drm/radeon/radeon.h #define RREG32_SMC(reg) tn_smc_rreg(rdev, (reg))
tn_smc_rreg      2582 drivers/gpu/drm/radeon/radeon.h u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg);