From patchwork Mon Dec 17 20:23:34 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Souptick Joarder X-Patchwork-Id: 10735061 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 54857924 for ; Tue, 18 Dec 2018 08:12:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 326242A552 for ; Tue, 18 Dec 2018 08:12:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 23AEE2A565; Tue, 18 Dec 2018 08:12:02 +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 AA8392A552 for ; Tue, 18 Dec 2018 08:12:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E31C96E8A8; Tue, 18 Dec 2018 08:11:56 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6047F6E6C8 for ; Mon, 17 Dec 2018 20:19:42 +0000 (UTC) Received: by mail-pl1-x644.google.com with SMTP id y1so6640793plp.9 for ; Mon, 17 Dec 2018 12:19:42 -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=vHtNG5YY7oqAEcnnEFXV1qkzWXHTgkZmEB/ZXAxtcsE=; b=aEaQA9ifQX0xkKyFHs8FBszCMdcebkid4U4FDBqxn4sbZ/hDAY4DA2R0UzHtctk2xM qT3wStXK/aTkDKMx7Xn1L8EEFnFPF2NPZLJ/9t9CmP56GcgZEQ156HKGkSGrEk8a1dDd YyG2Tzq1nQASBbsZ3wJ2Z0pHePlnsuejzySr5rGwFSPP2mgjCX7oLffPtPlcUdklTeYG G/+WJgrTliFOuYeo3esMfWv7OMl+uPZF/JkpLeiJovYaqj8KXVDHLqJEpKxN2u0Gh9z7 nRTe1fBfEoeszWmgSiazQY+CrKcy++e2h0b3S0z1wulbH/Im1d595MX+sdex0Tyc8Jgr ExAg== X-Gm-Message-State: AA+aEWY2DlBe7mRN0TO1X2w1HFubGrLKY1tdTK4R0PoaNl4atWV326qt 24Le9bihP2pjntu72ODfdTU= X-Google-Smtp-Source: AFSGD/VztJFrJiCc5TxrvjdoAMM5foV3+t6D91QTlRMzDwrlUkxArWBo7WpY83vLc2dZ2XXJU04Cxw== X-Received: by 2002:a17:902:8a8a:: with SMTP id p10mr14060709plo.50.1545077982019; Mon, 17 Dec 2018 12:19:42 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([103.227.98.208]) by smtp.gmail.com with ESMTPSA id u87sm31872783pfi.2.2018.12.17.12.19.40 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 17 Dec 2018 12:19:41 -0800 (PST) Date: Tue, 18 Dec 2018 01:53:34 +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 Subject: [PATCH v4 4/9] drm/rockchip/rockchip_drm_gem.c: Convert to use vm_insert_range Message-ID: <20181217202334.GA11758@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: Tue, 18 Dec 2018 08:11:56 +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 Acked-by: Heiko Stuebner --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 19 ++----------------- 1 file changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index a8db758..8279084 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -221,26 +221,11 @@ 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 + offset, + user_count - offset); } static int rockchip_drm_gem_object_mmap_dma(struct drm_gem_object *obj,