If we copy all the contents of the sg across and not just the page link,
we can then also put it to work in fake_get_huge_pages and beyond.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920142707.19659-1-matthew.auld@intel.com
new_sg = new_st.sgl;
for_each_sg(orig_st->sgl, sg, orig_st->nents, i) {
sg_set_page(new_sg, sg_page(sg), sg->length, 0);
new_sg = new_st.sgl;
for_each_sg(orig_st->sgl, sg, orig_st->nents, i) {
sg_set_page(new_sg, sg_page(sg), sg->length, 0);
- /* called before being DMA mapped, no need to copy sg->dma_* */
+ sg_dma_address(new_sg) = sg_dma_address(sg);
+ sg_dma_len(new_sg) = sg_dma_len(sg);
+
new_sg = sg_next(new_sg);
}
GEM_BUG_ON(new_sg); /* Should walk exactly nents and hit the end */
new_sg = sg_next(new_sg);
}
GEM_BUG_ON(new_sg); /* Should walk exactly nents and hit the end */
sg = sg_next(sg);
} while (1);
sg = sg_next(sg);
} while (1);
obj->mm.madv = I915_MADV_DONTNEED;
__i915_gem_object_set_pages(obj, st, sg_page_sizes);
obj->mm.madv = I915_MADV_DONTNEED;
__i915_gem_object_set_pages(obj, st, sg_page_sizes);