diff options
author | Matthew Auld <matthew.auld@intel.com> | 2018-09-20 15:27:06 +0100 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-09-20 16:43:17 +0100 |
commit | c6d22ab61bfdeb9d8572859cbc670e7335853817 (patch) | |
tree | 3b78767a54d2157bcb1ba0b461fadab37883fd59 /drivers/gpu/drm/i915/i915_gem.c | |
parent | 8fcd86baab7724196ae8605e58c38dd17d598ef9 (diff) | |
download | talos-op-linux-c6d22ab61bfdeb9d8572859cbc670e7335853817.tar.gz talos-op-linux-c6d22ab61bfdeb9d8572859cbc670e7335853817.zip |
drm/i915: don't assume struct page in i915_sg_trim
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
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 4 |
1 files changed, 3 insertions, 1 deletions
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 */ |