On Thu, Sep 20, 2018 at 03:27:06PM +0100, Matthew Auld wrote:
> Which means we can now also put it to work in fake_get_huge_pages.
Just another reminder to write self-contained commit msgs. Reading
this wihtout copy pasting the subject line in makes one wonder
what the "which" is here.
>
> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_gem.c | 4 +++-
> drivers/gpu/drm/i915/selftests/huge_pages.c | 2 ++
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index a94d5a308c4d..b79362bbd97b 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -2506,7 +2506,9 @@ static bool i915_sg_trim(struct sg_table *orig_st)
> 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 */
> diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c
> index e272127783fe..8d03f64eabd7 100644
> --- a/drivers/gpu/drm/i915/selftests/huge_pages.c
> +++ b/drivers/gpu/drm/i915/selftests/huge_pages.c
> @@ -235,6 +235,8 @@ static int fake_get_huge_pages(struct drm_i915_gem_object *obj)
> sg = sg_next(sg);
> } while (1);
>
> + i915_sg_trim(st);
> +
> obj->mm.madv = I915_MADV_DONTNEED;
>
> __i915_gem_object_set_pages(obj, st, sg_page_sizes);
> --
> 2.17.1
>
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--
Ville Syrjälä
Intel
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