From patchwork Thu Jan 31 03:10:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souptick Joarder X-Patchwork-Id: 10790075 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C5BE013B5 for ; Thu, 31 Jan 2019 08:51:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C3101301EB for ; Thu, 31 Jan 2019 08:51:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B7706303C3; Thu, 31 Jan 2019 08:51:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 77DC7301EB for ; Thu, 31 Jan 2019 08:51:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 849AD6EC40; Thu, 31 Jan 2019 08:50:17 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by gabe.freedesktop.org (Postfix) with ESMTPS id 274F96E0E1 for ; Thu, 31 Jan 2019 03:06:28 +0000 (UTC) Received: by mail-pg1-x541.google.com with SMTP id t13so720992pgr.11 for ; Wed, 30 Jan 2019 19:06:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=fve/F1/lKXEnfpzre5B+d6239UbIM50sDNUC8vj1UvQ=; b=g3ph1hMEtrgBnwY24rUHnQ/G85NkNSEBZtIVwzexXh2oSZDeAv0EC+AGlVuyssKulZ 8jH81MlKJrqnoL35DIamFjztd0+YseEwH6Q2/C+QC7MCeurH4yE7qgQtyXdIoYMHMB9/ p2txDJMO16ya5KwzP1UyPw/m5tdMGwm2Ao/cVBhv8kd4e9qpJfYa0M21Y1xshVVFTNdU NdANTPQYOhyCuicnYhO50QzLhMQWO7ILLWOl2VkraCLmIJlc+clYNbZLo+eX3tfekwa/ r5mDGnyo5+PMhJPymDA4OZ3aJcr8OqNlrQ4cPdSuvhdNwWHtOs+3B0JKoudQwCHsuRUd nsMg== X-Gm-Message-State: AJcUukdeHEOof63QeXv8UPsz4+iOiV55zVPtPa2txTKMoCjSDnpBeOUL EorPwIA5VlpDdSB5QmemqH0= X-Google-Smtp-Source: ALg8bN6rRzXK6nfBRBSHhIlA85333gGdTjbHnrt6wuJpi13BssALmTS8VMglE5ur30io8jYwjS7LDQ== X-Received: by 2002:a62:1f9d:: with SMTP id l29mr33146546pfj.14.1548903987795; Wed, 30 Jan 2019 19:06:27 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([106.51.20.103]) by smtp.gmail.com with ESMTPSA id v2sm4236663pgs.0.2019.01.30.19.06.26 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 30 Jan 2019 19:06:27 -0800 (PST) Date: Thu, 31 Jan 2019 08:40:40 +0530 From: Souptick Joarder To: akpm@linux-foundation.org, willy@infradead.org, mhocko@suse.com, hjc@rock-chips.com, heiko@sntech.de, airlied@linux.ie, linux@armlinux.org.uk, robin.murphy@arm.com Subject: [PATCHv2 4/9] drm/rockchip/rockchip_drm_gem.c: Convert to use vm_insert_range Message-ID: <20190131031040.GA2320@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Mailman-Approved-At: Thu, 31 Jan 2019 08:49:48 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mm@kvack.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Convert to use vm_insert_range() to map range of kernel memory to user vma. Signed-off-by: Souptick Joarder Tested-by: Heiko Stuebner --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index a8db758..c9e207f 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -221,26 +221,13 @@ static int rockchip_drm_gem_object_mmap_iommu(struct drm_gem_object *obj, struct vm_area_struct *vma) { struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); - unsigned int i, count = obj->size >> PAGE_SHIFT; + unsigned int count = obj->size >> PAGE_SHIFT; unsigned long user_count = vma_pages(vma); - unsigned long uaddr = vma->vm_start; - unsigned long offset = vma->vm_pgoff; - unsigned long end = user_count + offset; - int ret; if (user_count == 0) return -ENXIO; - if (end > count) - return -ENXIO; - for (i = offset; i < end; i++) { - ret = vm_insert_page(vma, uaddr, rk_obj->pages[i]); - if (ret) - return ret; - uaddr += PAGE_SIZE; - } - - return 0; + return vm_insert_range(vma, rk_obj->pages, count); } static int rockchip_drm_gem_object_mmap_dma(struct drm_gem_object *obj,