drm2/i915/i915_gem_execbuffer.c

269 				   struct drm_i915_gem_relocation_entry *reloc)
277 	target_obj = &eb_get_object(eb, reloc->target_handle)->base;
289 		 (int) reloc->offset,
290 		 (int) reloc->target_handle,
291 		 (int) reloc->read_domains,
292 		 (int) reloc->write_domain,
294 		 (int) reloc->presumed_offset,
295 		 reloc->delta);
303 			  reloc->target_handle);
308 	if (unlikely(reloc->write_domain & (reloc->write_domain - 1))) {
309 		DRM_DEBUG("reloc with multiple write domains: "
312 			  obj, reloc->target_handle,
313 			  (int) reloc->offset,
314 			  reloc->read_domains,
315 			  reloc->write_domain);
318 	if (unlikely((reloc->write_domain | reloc->read_domains)
320 		DRM_DEBUG("reloc with read/write non-GPU domains: "
323 			  obj, reloc->target_handle,
324 			  (int) reloc->offset,
325 			  reloc->read_domains,
326 			  reloc->write_domain);
329 	if (unlikely(reloc->write_domain && target_obj->pending_write_domain &&
330 		     reloc->write_domain != target_obj->pending_write_domain)) {
334 			  obj, reloc->target_handle,
335 			  (int) reloc->offset,
336 			  reloc->write_domain,
341 	target_obj->pending_read_domains |= reloc->read_domains;
342 	target_obj->pending_write_domain |= reloc->write_domain;
347 	if (target_offset == reloc->presumed_offset)
351 	if (unlikely(reloc->offset > obj->base.size - 4)) {
354 			  obj, reloc->target_handle,
355 			  (int) reloc->offset,
359 	if (unlikely(reloc->offset & 3)) {
362 			  obj, reloc->target_handle,
363 			  (int) reloc->offset);
367 	reloc->delta += target_offset;
369 		uint32_t page_offset = reloc->offset & PAGE_MASK;
373 		sf = sf_buf_alloc(obj->pages[OFF_TO_IDX(reloc->offset)],
378 		*(uint32_t *)(vaddr + page_offset) = reloc->delta;
395 		reloc->offset += obj->gtt_offset;
396 		reloc_page = pmap_mapdev_attr(dev->agp->base + (reloc->offset &
398 		reloc_entry = (uint32_t *)(reloc_page + (reloc->offset &
400 		*(volatile uint32_t *)reloc_entry = reloc->delta;
405 	reloc->presumed_offset = target_offset;
416 	struct drm_i915_gem_relocation_entry reloc;
421 		ret = -copyin_nofault(user_relocs + i, &reloc, sizeof(reloc));
425 		ret = i915_gem_execbuffer_relocate_entry(obj, eb, &reloc);
429 		ret = -copyout_nofault(&reloc.presumed_offset,
431 		    sizeof(reloc.presumed_offset));
700 	struct drm_i915_gem_relocation_entry *reloc;
722 	reloc = malloc(total * sizeof(*reloc), DRM_I915_GEM, M_WAITOK | M_ZERO);
729 		ret = -copyin(user_relocs, reloc + total,
730 		    exec[i].relocation_count * sizeof(*reloc));
773 		    reloc + reloc_offset[offset]);
785 	free(reloc, DRM_I915_GEM);