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Fri, 4 Sep 2020 13:34:59 +0000 (GMT) From: Marek Szyprowski To: dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org Cc: Marek Szyprowski , Christoph Hellwig , Robin Murphy , Bartlomiej Zolnierkiewicz , linux-arm-kernel@lists.infradead.org, David Airlie , Daniel Vetter , Matthias Brugger , Chun-Kuang Hu , Philipp Zabel , linux-mediatek@lists.infradead.org Subject: [PATCH v10 11/30] drm: mediatek: use common helper for extracting pages array Date: Fri, 4 Sep 2020 15:16:52 +0200 Message-Id: <20200904131711.12950-12-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200904131711.12950-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSa0hTYRj22zk7Oy5Xx6n5YRdpaaKQd+qAoikGByqK/RApUpeeVNqmbGqp RKLLaqVmGcmwJSJ4z5y3vKzyrplWTnSR84L+SEWMvNVIzdNR+/fc3u95eflwRNjPdcDj5Im0 Qi6RijA+2tjze+ikKlgc4akpdCezh/o5ZG1BDZcszs5Gya3GPIQcWV3CyPLKbg5Z9M6PXBmZ 5pC6mVEuaWgpxEhD5hdAVneZeGSGyoc0TfShZPuPWe6ZA1SVtgpQ+rUilGrWmHiUruIBRjWt TXGpyYe9HKqu5A71bXMGoZ4aSwHV+jUdo3I3PKmc+gpALeuOXhJc5vtH09K4ZFrhERDJjx1f q0ETuvm3MtbVWDpYwtXAEoeEL9TOf+CoAR8XEmUALpiMGEtWAFRpJwFLlgFsHcvh7o7MjW0g rFEKYKluEOyNDJdt8pgURnhB9aIaY7AtcRfAvmwrJoQQbQgsbjGjjGFDhMGGthHAYJRwhi9y s7Y3wXEBEQBVTSFsmyOsfP0eYbDlttxQMMtl3oHEBA+ul5TvrBQC1yo2EBbbwPneeh6LD8Ot 5pccdiATwOmhah5LHgFoyCgAbMoPjg+ZMaYZIVxhTYsHKwdBQ/HbfzIk9kPjojUjI9vwSeNz hJUF8H6WkE2fgJreV3u17Z+Hd9ahoEHfuHPTPADnykY5j4Gj5n9ZEQAVwJ5OUspiaKWXnL7p rpTIlEnyGPeoeJkObH+wgc3en2/A6vC1DkDgQGQlsAgURwi5kmRliqwDQBwR2QqCBwfChYJo SUoqrYiPUCRJaWUHOISjInuBT/HcVSERI0mkb9B0Aq3YdTm4pUM6SLXr6rAzBU+XfIzUwx77 +piDLk7eTqrU/HMzeJvr1ML1iwu2oaeLys+KNQ7HLC3EF8L77Af1znHexitp3k2hfjpFoh+d bJVS4hHYXjt827zvV35WpDbNeA/vXPK3MZutwwQeIZ2nsvhudv7Hocun83+k6JEo37pn38WI LjZIL0KVsRIvN0ShlPwF/3/fkVwDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrFIsWRmVeSWpSXmKPExsVy+t/xu7otTkHxBhtWi1r0njvJZLFxxnpW i0W9vSwW/7dNZLa48vU9m8XK1UeZLBbst7b4cuUhk8Wmx9dYLS7vmsNmcbn5IqPF2iN32S2a Wowt7t47wWJx8MMTVgd+jzXz1jB67P22gMVj56y77B6bVnWyeWz/9oDV4373cSaPzUvqPW7/ e8zsMfnGckaP3Tcb2Dz6/xp49G1ZxejxeZNcAG+Unk1RfmlJqkJGfnGJrVK0oYWRnqGlhZ6R iaWeobF5rJWRqZK+nU1Kak5mWWqRvl2CXsadb+tZCo5yVTR972JrYHzP0cXIySEhYCLx8vpf 5i5GLg4hgaWMEo2Pn7BBJGQkTk5rYIWwhSX+XOtigyj6xCix/c8kRpAEm4ChRNdbiISIQCej xLTuj+wgDrPAMWaJjY/fM4NUCQuESbSvnsIEYrMIqErM7W8Dsjk4eAXsJFq2u0BskJdYveEA WDknUHjrjCdgm4UEbCU+zFnMMoGRbwEjwypGkdTS4tz03GIjveLE3OLSvHS95PzcTYzAeNp2 7OeWHYxd74IPMQpwMCrx8DLYB8ULsSaWFVfmHmKU4GBWEuF1Ons6Tog3JbGyKrUoP76oNCe1 +BCjKdBNE5mlRJPzgbGeVxJvaGpobmFpaG5sbmxmoSTO2yFwMEZIID2xJDU7NbUgtQimj4mD U6qBcZJv3OajVXatrlKJHTE5R24bz9FYxf7X+Mi50sClz1+s51FctnSvR5x2ycbHc2zEBebM Vn7HKnttTuEGhewddr90klKfxM8KiLU5wxLln7BXblNk+NHcms/v8pdtYYgLvizVNvHHFD4W 67X6vhkPZU5e94tSZOnzmTs5/0PBLNUv376JzI3WVGIpzkg01GIuKk4EAOitNhO9AgAA X-CMS-MailID: 20200904133500eucas1p231e3d2b7de8bca0f52339ac520b8acc6 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200904133500eucas1p231e3d2b7de8bca0f52339ac520b8acc6 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200904133500eucas1p231e3d2b7de8bca0f52339ac520b8acc6 References: <20200904131711.12950-1-m.szyprowski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use common helper for converting a sg_table object into struct page pointer array. Signed-off-by: Marek Szyprowski Reviewed-by: Robin Murphy Acked-by: Chun-Kuang Hu --- drivers/gpu/drm/mediatek/mtk_drm_gem.c | 9 ++------- 1 file 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)); -- 2.17.1