CP_RB_RPTR 482 drivers/gpu/drm/radeon/evergreend.h #define CP_RB_RPTR 0x8700 CP_RB_RPTR 201 drivers/gpu/drm/radeon/r600d.h #define CP_RB_RPTR 0x8700 CP_RB_RPTR 355 drivers/gpu/drm/radeon/rv770d.h #define CP_RB_RPTR 0x8700 CP_RB_RPTR 312 include/video/radeon.h #define CP_RB_RPTR 0x0710