CG_TACH_CTRL 230 drivers/gpu/drm/amd/amdgpu/sid.h #define CG_TACH_CTRL 0x1dc CG_TACH_CTRL 230 drivers/gpu/drm/radeon/cikd.h #define CG_TACH_CTRL 0xC0300070 CG_TACH_CTRL 228 drivers/gpu/drm/radeon/sid.h #define CG_TACH_CTRL 0x770