SX_MISC          1098 drivers/gpu/drm/radeon/evergreend.h #define	SX_MISC						0x28350
SX_MISC           509 drivers/gpu/drm/radeon/r600d.h #define	SX_MISC						0x28350
SX_MISC           597 drivers/gpu/drm/radeon/rv770d.h #define	SX_MISC						0x28350