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=-8.5 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 A718CC04EB8 for ; Thu, 6 Dec 2018 18:38:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F72920892 for ; Thu, 6 Dec 2018 18:38:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UD31QJ6G" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F72920892 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 S1726073AbeLFSin (ORCPT ); Thu, 6 Dec 2018 13:38:43 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:33986 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725916AbeLFSik (ORCPT ); Thu, 6 Dec 2018 13:38:40 -0500 Received: by mail-pf1-f195.google.com with SMTP id h3so601854pfg.1 for ; Thu, 06 Dec 2018 10:38:40 -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=ng6k7XN2+E7qu+YJG+ewVaHjUak4Dnv0s5kVr6uQuLI=; b=UD31QJ6GC66z7VnoRsNyMmQJNDtWDYhH1t1EhWvLVC35clbrhHvtCLfIDc3kuI/kjo PhE6/Q4QGJNtbeVj2PuHR6i0D2aaPFSW/lrGYQAawYaJpSZ00GcK0STbAQbASLfKcXbW KSmwt4pirPr0FbcPDgPDSPCxOIqY7CFQcfCnf1brtTusb4rK2TnWnnCiyvjOlAwhSnVj fpCFVKaKzndenoWYom9LwhhOrVfEHUY+WbndNJqxZnMyKCBPm0+weR2X++USF0iNayF4 WigpOsLRPEHu9s0S1Xs9XsH4QUV/+2uVeBmsr+h8O/0evUYqwJAesx/WQW19miTVpRjC i+ag== 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=ng6k7XN2+E7qu+YJG+ewVaHjUak4Dnv0s5kVr6uQuLI=; b=hufYW8UTIdDScFEVfJLl5ID5p+Yp4B3Zc4dC/xbD+v/hPpTp8H1Bx9pgKYRMzVqvKD X0hi6O+bAMBMBiU6cUXi4LqoFtUyXCvG8ufBxFwHqg032dltro1vVjbghyizUzvOOtRL ruE4/UM9AZFMNsnJ0FXMqqaPoWIMTYZQsF3F3N8zwazHoF78hjLab+oa1wzkoMVxH64E 7lMg+87bOS5xcAv2Rp9kFHR6NbLALsKx3MtaNSen9mqU2/uGwBuYkqZG3prBNwbfx2wC e4BCxgin57K0zzMomLr+1C7rETTdZYRMuxLVMmzAU6zQGQ7ADLAXP0aEM7Vo+r+eONWx FsXw== X-Gm-Message-State: AA+aEWYdaPop3H9z+NbXF30t1nPi+TxsPEKFI8MFGPRGvBmMd93Uhf03 6s6iPc7aaT9dwhQlkI5m2uE= X-Google-Smtp-Source: AFSGD/VdfjPNYk7vJ3JQ1RT1pvFcY6rlX1YYQBpdVWgqyCdVx5xPkkuEuOXRFKVBkjSnBJ0Zx3q50w== X-Received: by 2002:a63:b81a:: with SMTP id p26mr25564117pge.433.1544121519885; Thu, 06 Dec 2018 10:38:39 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.99.39]) by smtp.gmail.com with ESMTPSA id z9sm1534389pfd.99.2018.12.06.10.38.38 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 06 Dec 2018 10:38:39 -0800 (PST) Date: Fri, 7 Dec 2018 00:12:27 +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 v3 4/9] drm/rockchip/rockchip_drm_gem.c: Convert to use vm_insert_range Message-ID: <20181206184227.GA28656@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 Tested-by: Heiko Stuebner Acked-by: Heiko Stuebner --- 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