18 	struct scatterlist *sg, *new_sg;  in i915_sg_trim()  local
28 	for_each_sg(orig_st->sgl, sg, orig_st->nents, i) {  in i915_sg_trim()
29 		sg_set_page(new_sg, sg_page(sg), sg->length, 0);  in i915_sg_trim()
30 		sg_dma_address(new_sg) = sg_dma_address(sg);  in i915_sg_trim()
31 		sg_dma_len(new_sg) = sg_dma_len(sg);  in i915_sg_trim()
70  * @region_start: An offset to add to the dma addresses of the sg list.
71  * @page_alignment: Required page alignment for each sg entry. Power of two.
89 	struct scatterlist *sg;  in i915_rsgt_from_mm_node()  local
112 	sg = st->sgl;  in i915_rsgt_from_mm_node()
121 		if (offset != prev_end || sg->length >= max_segment) {  in i915_rsgt_from_mm_node()
123 				sg = __sg_next(sg);  in i915_rsgt_from_mm_node()
125 			sg_dma_address(sg) = region_start + offset;  in i915_rsgt_from_mm_node()
126 			GEM_BUG_ON(!IS_ALIGNED(sg_dma_address(sg),  in i915_rsgt_from_mm_node()
128 			sg_dma_len(sg) = 0;  in i915_rsgt_from_mm_node()
129 			sg->length = 0;  in i915_rsgt_from_mm_node()
133 		len = min_t(u64, block_size, max_segment - sg->length);  in i915_rsgt_from_mm_node()
134 		sg->length += len;  in i915_rsgt_from_mm_node()
135 		sg_dma_len(sg) += len;  in i915_rsgt_from_mm_node()
143 	sg_mark_end(sg);  in i915_rsgt_from_mm_node()
153  * @region_start: An offset to add to the dma addresses of the sg list.
154  * @page_alignment: Required page alignment for each sg entry. Power of two.
174 	struct scatterlist *sg;  in i915_rsgt_from_buddy_resource()  local
198 	sg = st->sgl;  in i915_rsgt_from_buddy_resource()
211 			if (offset != prev_end || sg->length >= max_segment) {  in i915_rsgt_from_buddy_resource()
213 					sg = __sg_next(sg);  in i915_rsgt_from_buddy_resource()
215 				sg_dma_address(sg) = region_start + offset;  in i915_rsgt_from_buddy_resource()
216 				GEM_BUG_ON(!IS_ALIGNED(sg_dma_address(sg),  in i915_rsgt_from_buddy_resource()
218 				sg_dma_len(sg) = 0;  in i915_rsgt_from_buddy_resource()
219 				sg->length = 0;  in i915_rsgt_from_buddy_resource()
223 			len = min_t(u64, block_size, max_segment - sg->length);  in i915_rsgt_from_buddy_resource()
224 			sg->length += len;  in i915_rsgt_from_buddy_resource()
225 			sg_dma_len(sg) += len;  in i915_rsgt_from_buddy_resource()
234 	sg_mark_end(sg);  in i915_rsgt_from_buddy_resource()