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,URIBL_BLOCKED,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 CDCCEC04EB8 for ; Sun, 2 Dec 2018 06:19:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5CDD720881 for ; Sun, 2 Dec 2018 06:19:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Uy2BvgZZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5CDD720881 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 S1725798AbeLBGTN (ORCPT ); Sun, 2 Dec 2018 01:19:13 -0500 Received: from mail-pl1-f196.google.com ([209.85.214.196]:42946 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725355AbeLBGTM (ORCPT ); Sun, 2 Dec 2018 01:19:12 -0500 Received: by mail-pl1-f196.google.com with SMTP id y1so13045plp.9 for ; Sat, 01 Dec 2018 22:19:11 -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=Uy2BvgZZkqOXNK7hWBYo3ARMJUfASECRH1vDxiNUgHBWwBso/Dw5MVQ3h240LKOn9r NhpjK25eGn1477k5XxEo8EOyY+Y9o+E/DUJKbzrcAxAiamgY14sFBQ5e4pPJJZIPgx0x NzFau/vgdlUWyYjWlRMcagejTL6DGAwAmAsSxpCb68yXr9XBuwp/SaCrwZvvzqcGm0L3 4PgcxWbXzJwKYve3R9DhlAzPDVVBxKO/xslBA5HeS47vJGvTrlgakEwa4L493x3uvLwo PdxNdGZOUlyPHJ+JMUkdbANMZcGvWiGUFFuBO0DsdK/adiQyQW7EAu9QSeBXHtYH1PiP vFeg== 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=ug4erC5koMOytZLCipCzswbWzhFFn4bWS6OdHX77ldtmFKkS/HimP75PE2XnKpdHf1 0DPXM9wCykiP8WpBjAszz3sW3GbsZ2fvq82IzkNImIyAT40YoLdoU2Wur5Go8Jk/R1SN Hn86DOA2eK6rKIad1wgh5HO7fuTCtRPP8HZKjX6p9Gra8GLjSRsCksqne6gD3QGUCvr5 pFG9Qp8pOkEhiTdMfTZZvawsSQG8dDHmwnit7O2s9dXzOFuhGiqLY5SHTmP5v7CDEfwV +pBet/AiMv0M0ELYe/E12qPxQwxDajmMwczFowdwibriYHXenSWVbPJWhpTZp4EIOyRf IZfA== X-Gm-Message-State: AA+aEWbXJfhh8aTcyP0hQdg9+mXftGNsd9LDfjg5D8LF17Fr/mk2J8JK J81XrgNgc3dSLs+bCyQPzuQ= X-Google-Smtp-Source: AFSGD/WRNjFD6zB7/hjn8Xn+aoz1dyOHhd/PEH2NIgt7PDmUyJF+fZfXXjivwgpQAMMMOqZJ+B9xkw== X-Received: by 2002:a17:902:e085:: with SMTP id cb5mr11348736plb.24.1543731551018; Sat, 01 Dec 2018 22:19:11 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.99.148]) by smtp.gmail.com with ESMTPSA id n73sm14870007pfj.148.2018.12.01.22.19.09 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 01 Dec 2018 22:19:10 -0800 (PST) Date: Sun, 2 Dec 2018 11:52:55 +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 v2 4/9] drm/rockchip/rockchip_drm_gem.c: Convert to use vm_insert_range Message-ID: <20181202062255.GA3159@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