drm/i915/dmabuf: Use scatterlist for_each_sg API

Update open coded for loop to use the standard scatterlist
for_each_sg API.

Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221028155029.494736-4-matthew.auld@intel.com
This commit is contained in:
Michael J. Ruhl 2022-10-28 16:50:29 +01:00 committed by Matthew Auld
parent 81aa3f8e26
commit 3096ae43cc

View File

@ -47,12 +47,10 @@ static struct sg_table *i915_gem_map_dma_buf(struct dma_buf_attachment *attach,
if (ret)
goto err_free;
src = obj->mm.pages->sgl;
dst = sgt->sgl;
for (i = 0; i < obj->mm.pages->orig_nents; i++) {
for_each_sg(obj->mm.pages->sgl, src, obj->mm.pages->orig_nents, i) {
sg_set_page(dst, sg_page(src), src->length, 0);
dst = sg_next(dst);
src = sg_next(src);
}
ret = dma_map_sgtable(attach->dev, sgt, dir, DMA_ATTR_SKIP_CPU_SYNC);