From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C882C43441 for ; Thu, 15 Nov 2018 15:44:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE3D322419 for ; Thu, 15 Nov 2018 15:44:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WPUlk2x5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DE3D322419 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388603AbeKPBxM (ORCPT ); Thu, 15 Nov 2018 20:53:12 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:43878 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726432AbeKPBxM (ORCPT ); Thu, 15 Nov 2018 20:53:12 -0500 Received: by mail-pg1-f194.google.com with SMTP id n10-v6so9174445pgv.10 for ; Thu, 15 Nov 2018 07:44:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=aM1C42m8xdOqFETa7vpI1nSS13dxTXWD/5chbQoQBa8=; b=WPUlk2x5CRHbvpM1bKX0kitApnk9BOX9wd6CvD1uXCrRKIH6tLEay2hxykg+jfsOB5 J3wKWSBsuJ6udvfS4G6bvMcO6ox+2kzBEBlokR74eBZjoMw6d8x1PN71smAmcbb6mBup OdgkIHjtmqbhHbuOLy/q3SSyLzA2k+Xpsv24H8M3CFunfT0Vso70i7cPyZZzP0niaf+O JGIryGQnwC1aAak8kAS+Qx8SqdiY8zDRVlIBvvktT+IuNNm53fGMh6V+fHDKJ1kl3EAv aNkn5Ps0QTpVVhzhG4tLFaxNej9aYPChR96QL/bg7V+spivBI26bw5QPRPmo5pwul8kV BkFg== 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=aM1C42m8xdOqFETa7vpI1nSS13dxTXWD/5chbQoQBa8=; b=PiaU5NPM1gbAaKwaPr5QbGoQ28od4hi0Wjwgs7ARBb/j9QVBOBjYPpc3zn+sWnNggp iB53i2WkWecFPkNUyLDvkcZKwmYiO0pwQqL0ZI8ai6rb0KS9e114c6Z/PYhn+2pwM4cy RWSpTg1PA5TU2kZhUyV92ccYcoaZkGHYe8xCZFlRVM4OtMWWGxFiwXcxX2Oci6ElHsqh HTTysG1ByBBt0kJxUl7zwlRYEJZNAdp6x3w+Q+Lq0Z1TBEHPiOYkMmoExu+xKSxy73VT 3AvbF8quihv4DPrH/69Xp8R0aDDOMyQR/yOhjhtOTZAi9xsJDuX/VK7/ZhDRJvxCQNAU OawA== X-Gm-Message-State: AGRZ1gJepdw9AjEGD04gu/DxKyL/+8jOnjQkiUe49xOxKxH11hzo2PvB J4m1cNcP5LyuHbfTiOoiVrI= X-Google-Smtp-Source: AJdET5e7n4pF+rhd6dDpXXTPWo1Rru/vt9norA53b2YS+zYvPSJKdhFnnXdL8xxj4jhF0QHgnmIpvw== X-Received: by 2002:a62:6241:: with SMTP id w62-v6mr6901975pfb.69.1542296690923; Thu, 15 Nov 2018 07:44:50 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.97.233]) by smtp.gmail.com with ESMTPSA id z127-v6sm32794856pfz.135.2018.11.15.07.44.49 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 15 Nov 2018 07:44:49 -0800 (PST) Date: Thu, 15 Nov 2018 21:18:26 +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 Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org Subject: [PATCH 4/9] drm/rockchip/rockchip_drm_gem.c: Convert to use vm_insert_range Message-ID: <20181115154826.GA27948@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert to use vm_insert_range() to map range of kernel memory to user vma. Signed-off-by: Souptick Joarder --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index a8db758..2cb83bb 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -221,26 +221,10 @@ 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 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, vma->vm_start, rk_obj->pages, + user_count); } static int rockchip_drm_gem_object_mmap_dma(struct drm_gem_object *obj, -- 1.9.1