RING_HEAD_MASK   1508 drivers/video/fbdev/intelfb/intelfbhw.c 	u32 last_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;
RING_HEAD_MASK   1516 drivers/video/fbdev/intelfb/intelfbhw.c 		dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;
RING_HEAD_MASK   1579 drivers/video/fbdev/intelfb/intelfbhw.c 	dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;
RING_HEAD_MASK    553 drivers/video/fbdev/intelfb/intelfbhw.h 		head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;		\