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Thu, 18 Jun 2020 15:40:21 +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 v6 12/36] drm: mediatek: use common helper for extracting pages array Date: Thu, 18 Jun 2020 17:39:33 +0200 Message-Id: <20200618153956.29558-13-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200618153956.29558-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrBKsWRmVeSWpSXmKPExsWy7djP87rPul7HGXR+lrXoPXeSyWLjjPWs Fot6e1ks/m+byGxx5et7NouVq48yWSzYb23x5cpDJotNj6+xWlzeNYfN4nLzRUaLtUfusls0 tRhb3L13gsXi4IcnrA78HmvmrWH02PttAYvHzll32T02repk89j+7QGrx/3u40wem5fUe9z+ 95jZY/KN5Yweu282sHn0/zXw6NuyitHj8ya5AN4oLpuU1JzMstQifbsEroyuvzuYCx5wVtyY 8Jq5gXEKRxcjJ4eEgInEqrZ/7F2MXBxCAisYJY60L2WGcL4wSlyZOw/K+cwoMfPaXcYuRg6w lj+7xEG6hQSWA8X/qsI1zDqykx0kwSZgKNH1tosNxBYRaGWUONHLA1LELLCHWWLRrl8sIAlh gXCJbwf2MYPYLAKqEjfvzgGzeQXsJN41bmGFuE9eYvWGA2BxTqD46eOtrCCDJATusUu8WdnP BFHkIrGxeysLhC0s8er4FnYIW0bi/875TBANzYwSD8+tZYdwehglLjfNYISospa4c+4XG8hv zAKaEut36UOEHSXmru1gh3iZT+LGW0GQMDOQOWnbdGaIMK9ER5sQRLWaxKzj6+DWHrxwiRnC 9pDo27OKBRJCExkl+n/OY53AKD8LYdkCRsZVjOKppcW56anFhnmp5XrFibnFpXnpesn5uZsY genr9L/jn3Ywfr2UdIhRgINRiYfXIfx1nBBrYllxZe4hRgkOZiURXqezp+OEeFMSK6tSi/Lj i0pzUosPMUpzsCiJ8xovehkrJJCeWJKanZpakFoEk2Xi4JRqYFR8cF6nkPvzhOVht76vNyvP 7nZbX6W+pya7Vdjoe+Qvr+aJ982Mcy2UuC7+3cRW8ex3T8upF9sYzPTWWOy0zjf/F2ywIF9X TfHKpCUP6mLCpm0+Gpu+dI9Pg/k3lyeGNb/0d54wafpht2TPW6WVZ+S0BDcc8S/Vv3dtwoOy NtMl0lcZf+ckvFFiKc5INNRiLipOBAB33GSmWwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrJIsWRmVeSWpSXmKPExsVy+t/xu7rPul7HGfS957XoPXeSyWLjjPWs Fot6e1ks/m+byGxx5et7NouVq48yWSzYb23x5cpDJotNj6+xWlzeNYfN4nLzRUaLtUfusls0 tRhb3L13gsXi4IcnrA78HmvmrWH02PttAYvHzll32T02repk89j+7QGrx/3u40wem5fUe9z+ 95jZY/KN5Yweu282sHn0/zXw6NuyitHj8ya5AN4oPZui/NKSVIWM/OISW6VoQwsjPUNLCz0j E0s9Q2PzWCsjUyV9O5uU1JzMstQifbsEvYyuvzuYCx5wVtyY8Jq5gXEKRxcjB4eEgInEn13i XYycHEICSxklDrwvBbElBGQkTk5rYIWwhSX+XOti62LkAqr5xCgxcTWIw8nBJmAo0fUWIiEi 0MkoMa37IzuIwyxwjFli4+P3zCBVwgKhEk/mHgPrYBFQlbh5dw5YnFfATuJd4xaoFfISqzcc AItzAsVPH29lhTjJVuL5hza2CYx8CxgZVjGKpJYW56bnFhvqFSfmFpfmpesl5+duYgRG07Zj PzfvYLy0MfgQowAHoxIP74uQ13FCrIllxZW5hxglOJiVRHidzp6OE+JNSaysSi3Kjy8qzUkt PsRoCnTURGYp0eR8YKTnlcQbmhqaW1gamhubG5tZKInzdggcjBESSE8sSc1OTS1ILYLpY+Lg lGpgtLr0dOdTd/EVLFnJyjVRC/5uXLvcdPKfH9+Wuy2cZnp/m4VsBpuLwFox7rn/e9/Ye/8z y5f/+SP3iut55ssvnd+xOezSmPm+JIv3srOC8PlzSjfueS1zXt2yYkHB78cGXvs1k1++fNnz 6Yb6RkELZ501u85LlTeZNW7zSwu4oX1K5lNk7s3LykosxRmJhlrMRcWJAI8Nqhm8AgAA X-CMS-MailID: 20200618154022eucas1p1a8136b9677ac6a98ac47a3154ab0c763 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200618154022eucas1p1a8136b9677ac6a98ac47a3154ab0c763 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200618154022eucas1p1a8136b9677ac6a98ac47a3154ab0c763 References: <20200618153956.29558-1-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 --- 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