SMC_MC_EDC_WR_FLAG   63 drivers/gpu/drm/amd/amdgpu/si_dpm.h #define SMC_MC_EDC_WR_FLAG  0x02
SMC_MC_EDC_WR_FLAG  123 drivers/gpu/drm/radeon/rv770_smc.h #define SMC_MC_EDC_WR_FLAG  0x02