UVD_SEMA_ADDR_LOW 1134 drivers/gpu/drm/radeon/nid.h #define UVD_SEMA_ADDR_LOW				0xEF00
UVD_SEMA_ADDR_LOW 1485 drivers/gpu/drm/radeon/r600d.h #define UVD_SEMA_ADDR_LOW				0xef00
UVD_SEMA_ADDR_LOW  993 drivers/gpu/drm/radeon/rv770d.h #define UVD_SEMA_ADDR_LOW				0xef00