[Intel-gfx] [PATCH v2 4/4] drm/i915/dmabuf: Use scatterlist for_each_sg API
Matthew Auld
matthew.auld at intel.com
Fri Oct 28 15:50:29 UTC 2022
From: "Michael J. Ruhl" <michael.j.ruhl at intel.com>
Update open coded for loop to use the standard scatterlist
for_each_sg API.
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl at intel.com>
Signed-off-by: Matthew Auld <matthew.auld at intel.com>
---
drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
index 8342e01a0d27..ec6f7ae47783 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c
@@ -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);
--
2.37.3
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