LP_RING 247 drivers/gpu/drm/i810/i810_dma.c unsigned int last_head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; LP_RING 251 drivers/gpu/drm/i810/i810_dma.c ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; LP_RING 279 drivers/gpu/drm/i810/i810_dma.c ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; LP_RING 280 drivers/gpu/drm/i810/i810_dma.c ring->tail = I810_READ(LP_RING + RING_TAIL); LP_RING 163 drivers/gpu/drm/i810/i810_drv.h I810_WRITE(LP_RING + RING_TAIL, outring); \