Lines Matching refs:head
2508 i915_gem_evict_from_list(struct drm_device *dev, struct list_head *head, uint32_t type)
2514 while (!list_empty(head)) {
2515 obj_priv = list_entry(head->next,
2725 u32 head;
2776 head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
2778 /* G45 ring initialization fails to reset head to zero */
2779 if (head != 0) {
2780 DRM_ERROR("Ring head not reset to zero "
2781 "ctl %08x head %08x tail %08x start %08x\n",
2788 DRM_ERROR("Ring head forced to zero "
2789 "ctl %08x head %08x tail %08x start %08x\n",
2801 head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
2803 /* If the head is still not zero, the ring is dead */
2804 if (head != 0) {
2806 "ctl %08x head %08x tail %08x start %08x\n",