Searched refs:RING_HEAD (Results 1 – 4 of 4) sorted by relevance
26 #define I915_READ_HEAD(ring) I915_RING_READ(RING_HEAD((ring)->mmio_base))27 #define I915_WRITE_HEAD(ring, val) I915_RING_WRITE(RING_HEAD((ring)->mmio_base), val)
286 #define RING_HEAD(base) ((base)+0x34) macro
197 #define RING_HEAD 0x04 macro
248 unsigned int last_head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; in i810_wait_ring()252 ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; in i810_wait_ring()280 ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; in i810_kernel_lost_context()