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Fri, 19 Jun 2020 10:37:00 +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 v7 12/36] drm: mediatek: use common helper for extracting pages array Date: Fri, 19 Jun 2020 12:36:12 +0200 Message-Id: <20200619103636.11974-13-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200619103636.11974-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrFKsWRmVeSWpSXmKPExsWy7djP87q+U9/EGby9p2HRe+4kk8XGGetZ LRb19rJY/N82kdniytf3bBYrVx9lsliw39riy5WHTBabHl9jtbi8aw6bxeXmi4wWa4/cZbdo ajG2uHvvBIvFwQ9PWB34PdbMW8PosffbAhaPnbPusntsWtXJ5rH92wNWj/vdx5k8Ni+p97j9 7zGzx+Qbyxk9dt9sYPPo/2vg0bdlFaPH501yAbxRXDYpqTmZZalF+nYJXBldf3cwFzzgrLgx 4TVzA+MUji5GTg4JAROJfRefs3cxcnEICaxglOi7cYMFwvnCKNG47wlU5jOjxMquN0wwLRMe tEElljNKHNt2lAmu5ee0fhaQKjYBQ4mut11sILaIQCujxIleHpAiZoE9zBKLdv0CKxIWCJfY MXkhWBGLgKrE1WcPwWxeATuJd1fuMUOsk5dYveEAmM0JFH/dcpAVZJCEwD12iX1dj1ghilwk Ti3aDHWfsMSr41vYIWwZidOTe1ggGpoZJR6eW8sO4fQwSlxumsEIUWUtcefcL6DVHED3aUqs 36UPEXaUuPj4AxNIWEKAT+LGW0GQMDOQOWnbdGaIMK9ER5sQRLWaxKzj6+DWHrxwCep+D4ld mx4xQkJoIqPEwq+bmCcwys9CWLaAkXEVo3hqaXFuemqxUV5quV5xYm5xaV66XnJ+7iZGYAo7 /e/4lx2Mu/4kHWIU4GBU4uF9EfI6Tog1say4MvcQowQHs5IIr9PZ03FCvCmJlVWpRfnxRaU5 qcWHGKU5WJTEeY0XvYwVEkhPLEnNTk0tSC2CyTJxcEo1MLoe0VEs0vow/Yj62gNv/n7jV6/f uVLn+t0nW9ealazxtox8qyXIsfzR3MxZtU9uP18h4KfrUyapEywRb9dqUtyw4G+Vs1id/J+/ x5g+T1Iws4mrm7N8UZf5HpVDFw8tYTqQ0f1b2VxFxrYnrU7kSNL6CT2RXD5zFcNCGMMaFb7G rt/BtfZMhxJLcUaioRZzUXEiAOfsqZNdAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrFIsWRmVeSWpSXmKPExsVy+t/xe7q+U9/EGezby2vRe+4kk8XGGetZ LRb19rJY/N82kdniytf3bBYrVx9lsliw39riy5WHTBabHl9jtbi8aw6bxeXmi4wWa4/cZbdo ajG2uHvvBIvFwQ9PWB34PdbMW8PosffbAhaPnbPusntsWtXJ5rH92wNWj/vdx5k8Ni+p97j9 7zGzx+Qbyxk9dt9sYPPo/2vg0bdlFaPH501yAbxRejZF+aUlqQoZ+cUltkrRhhZGeoaWFnpG JpZ6hsbmsVZGpkr6djYpqTmZZalF+nYJehldf3cwFzzgrLgx4TVzA+MUji5GTg4JAROJCQ/a 2LsYuTiEBJYySrR8W80CkZCRODmtgRXCFpb4c62LDaLoE6PEqiUNbCAJNgFDia63EAkRgU5G iWndH8FGMQscY5bY+Pg9cxcjB4ewQKjEj6lSIA0sAqoSV589BGvmFbCTeHflHjPEBnmJ1RsO gNmcQPHXLQfBNgsJ2EosX/CeeQIj3wJGhlWMIqmlxbnpucWGesWJucWleel6yfm5mxiB8bTt 2M/NOxgvbQw+xCjAwajEw/si5HWcEGtiWXFl7iFGCQ5mJRFep7On44R4UxIrq1KL8uOLSnNS iw8xmgIdNZFZSjQ5HxjreSXxhqaG5haWhubG5sZmFkrivB0CB2OEBNITS1KzU1MLUotg+pg4 OKUaGB3WVyc3PZl5bHXAA231uvZ716c8qFxcsv7wnCrnR1LmXxL3SzGxaD+t3ZoyITJYPty2 p5nN3f53T2yxd0/pneBrWsEPW2pe/u5d1nzqnPu3FRGfZyReXmvOxJP7xmLCUYsV37b6JiUf jP1hvGK1ufAih+RdltvCP14+lrNJs7PB94W79dtkMSWW4oxEQy3mouJEAJFjdsu9AgAA X-CMS-MailID: 20200619103701eucas1p2323797b812f4d8c28e851aa80938a8dc X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20200619103701eucas1p2323797b812f4d8c28e851aa80938a8dc X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200619103701eucas1p2323797b812f4d8c28e851aa80938a8dc References: <20200619103636.11974-1-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