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 60081C282D7 for ; Thu, 31 Jan 2019 03:06:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 34F93218AF for ; Thu, 31 Jan 2019 03:06:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="VJa1+zh8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730111AbfAaDG2 (ORCPT ); Wed, 30 Jan 2019 22:06:28 -0500 Received: from mail-pf1-f194.google.com ([209.85.210.194]:42092 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725535AbfAaDG2 (ORCPT ); Wed, 30 Jan 2019 22:06:28 -0500 Received: by mail-pf1-f194.google.com with SMTP id 64so793493pfr.9 for ; Wed, 30 Jan 2019 19:06:28 -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=fve/F1/lKXEnfpzre5B+d6239UbIM50sDNUC8vj1UvQ=; b=VJa1+zh8xHi3tI1io1YyR1jW4Ql0L2HM/0G/TqGLCYIRuEUfaDMSQLwWgfnv/q2VCK iMQgvcHSc2/MMEr41Z3VcXIJpBynXvCLMm+MCb5Ony0kLh1P+43S1EyOZ0c2VVcXfUDi zyUHlPc92S25kuxJL0xxi6q5K7621sWC7v7ZPljG/f/9EmAD7+iDx7aFSG3OZ8ScP0cF VzOGvcgsG44tSmhzqBnqDDYP/OTdVImNeD06R22jMcUhnzLmqtpjiveuyfIVjBd7x9Me M4s/fGqqA5tbzFW8w6RcVcyXN17XcXe3Wf1t1LgEPIqHODKKlYApfWHRPjE12iaJHekM stRg== 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=D2Z4J1NHG9smLYn5ymmM+hhmBzhbf2BvBI4wk92ph44mcF195/dqggTjtFkkLbFe1+ 9PTCMvNwkUqF8fLeCoj7iydaQM3Ws9S2j0e6/pYHdy8IIPvmdolZI0D6lcPE5I7X0liC rfAP0Gu77q15AlXxq9mKZcYBgb6v6iEKU4eNrHcGYeWs1FbVrHsqhEQytVIgrskprLxP 2TdgPQjS4Tvn7cwAsaoz71OUllNW5hcmlskFzj0vMUzaslEQAbBNzolij57jeihbWq1o gOUbGESdVBRvs1hvIYLc3RzasL3Fe/XMC+SnbaRNxsBUeXidCJotN4dhsg+brYUZFS/q 7gZg== X-Gm-Message-State: AJcUukdmOvM+f2nhPcayqY5tEHTbXhzRTQLB6OaMuiQrm04fMnw7Fyvo zCCWGP9fHTWI3vAFi4Tyx54= 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 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: [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-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 | 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, -- 1.9.1