Symbol: WREG32_SMC
drivers/gpu/drm/amd/amdgpu/amdgpu.h
1386
#define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
drivers/gpu/drm/radeon/radeon.h
2522
#define WREG32_SMC(reg, v) tn_smc_wreg(rdev, (reg), (v))