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authorMarek Szyprowski <m.szyprowski@samsung.com>2020-05-08 11:02:26 +0200
committerMarek Szyprowski <m.szyprowski@samsung.com>2020-09-10 08:18:35 +0200
commit537606558c08e1dcb2d35b67aab9d80253dbc6c4 (patch)
tree701fbf09bb91cbc738a7715d6f29b4896a9985e0 /drivers/gpu/drm/omapdrm
parentdrm: msm: fix common struct sg_table related issues (diff)
downloadlinux-dev-537606558c08e1dcb2d35b67aab9d80253dbc6c4.tar.xz
linux-dev-537606558c08e1dcb2d35b67aab9d80253dbc6c4.zip
drm: omapdrm: use common helper for extracting pages array
Use common helper for converting a sg_table object into struct page pointer array. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm')
-rw-r--r--drivers/gpu/drm/omapdrm/omap_gem.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
index d0d12d5dd76c..f67f223c6479 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem.c
@@ -1297,10 +1297,9 @@ struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
omap_obj->dma_addr = sg_dma_address(sgt->sgl);
} else {
/* Create pages list from sgt */
- struct sg_page_iter iter;
struct page **pages;
unsigned int npages;
- unsigned int i = 0;
+ unsigned int ret;
npages = DIV_ROUND_UP(size, PAGE_SIZE);
pages = kcalloc(npages, sizeof(*pages), GFP_KERNEL);
@@ -1311,14 +1310,9 @@ struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size,
}
omap_obj->pages = pages;
-
- for_each_sg_page(sgt->sgl, &iter, sgt->orig_nents, 0) {
- pages[i++] = sg_page_iter_page(&iter);
- if (i > npages)
- break;
- }
-
- if (WARN_ON(i != npages)) {
+ ret = drm_prime_sg_to_page_addr_arrays(sgt, pages, NULL,
+ npages);
+ if (ret) {
omap_gem_free_object(obj);
obj = ERR_PTR(-ENOMEM);
goto done;