SMX_EVENT_CTL    1014 drivers/gpu/drm/radeon/evergreend.h #define	SMX_EVENT_CTL					0xA02C
SMX_EVENT_CTL     477 drivers/gpu/drm/radeon/nid.h #define	SMX_EVENT_CTL					0xA02C
SMX_EVENT_CTL     517 drivers/gpu/drm/radeon/rv770d.h #define	SMX_EVENT_CTL					0xA02C