CG_TACH_STATUS    237 drivers/gpu/drm/amd/amdgpu/sid.h #define CG_TACH_STATUS                                  0x1dd
CG_TACH_STATUS    237 drivers/gpu/drm/radeon/cikd.h #define CG_TACH_STATUS                                  0xC0300074
CG_TACH_STATUS    235 drivers/gpu/drm/radeon/sid.h #define CG_TACH_STATUS                                  0x774