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authorMarek Szyprowski <m.szyprowski@samsung.com>2020-05-08 11:02:47 +0200
committerMarek Szyprowski <m.szyprowski@samsung.com>2020-09-10 08:18:35 +0200
commit90dcf4449008cfae24ffd920c0998c09ada46aad (patch)
tree3b7f634c5f28d1dde16bbfda4ffb9629c37f41c3 /drivers
parent960db7fcbd67abbea52ab08baa8290fbd027fe3c (diff)
drm: mediatek: 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> Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_gem.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
index 3654ec732029..0583e557ad37 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
@@ -233,9 +233,7 @@ void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj)
{
struct mtk_drm_gem_obj *mtk_gem = to_mtk_gem_obj(obj);
struct sg_table *sgt;
- struct sg_page_iter iter;
unsigned int npages;
- unsigned int i = 0;
if (mtk_gem->kvaddr)
return mtk_gem->kvaddr;
@@ -249,11 +247,8 @@ void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj)
if (!mtk_gem->pages)
goto out;
- for_each_sg_page(sgt->sgl, &iter, sgt->orig_nents, 0) {
- mtk_gem->pages[i++] = sg_page_iter_page(&iter);
- if (i > npages)
- break;
- }
+ drm_prime_sg_to_page_addr_arrays(sgt, mtk_gem->pages, NULL, npages);
+
mtk_gem->kvaddr = vmap(mtk_gem->pages, npages, VM_MAP,
pgprot_writecombine(PAGE_KERNEL));