diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2020-05-08 12:02:47 +0300 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2020-09-10 09:18:35 +0300 |
| commit | 90dcf4449008cfae24ffd920c0998c09ada46aad (patch) | |
| tree | 3b7f634c5f28d1dde16bbfda4ffb9629c37f41c3 /drivers | |
| parent | 960db7fcbd67abbea52ab08baa8290fbd027fe3c (diff) | |
| download | linux-90dcf4449008cfae24ffd920c0998c09ada46aad.tar.xz | |
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.c | 9 |
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)); |