From patchwork Sun Oct 9 23:07:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shyam Saini X-Patchwork-Id: 9370033 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CD5D960487 for ; Tue, 11 Oct 2016 00:46:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C202C2994D for ; Tue, 11 Oct 2016 00:46:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B65DB299D8; Tue, 11 Oct 2016 00:46:50 +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=-2.2 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,FREEMAIL_FROM,RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_DNSWL_MED, RCVD_IN_SORBS_SPAM,T_DKIM_INVALID 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 5F43C2994D for ; Tue, 11 Oct 2016 00:46:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7586B6E2A0; Tue, 11 Oct 2016 00:46:44 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pa0-x244.google.com (mail-pa0-x244.google.com [IPv6:2607:f8b0:400e:c03::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id E3FDC6E1F6 for ; Sun, 9 Oct 2016 23:07:31 +0000 (UTC) Received: by mail-pa0-x244.google.com with SMTP id hh10so5933758pac.0 for ; Sun, 09 Oct 2016 16:07:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=NP1jwOwjUrJxJqQxoHhPu1AhNhNsrHnJYMNqYD9ig6k=; b=UxFFc+WUEhH7+YI+dkTdbjtWX83Ygy4GQDXf/BAqlzPrpKHZdKnz0Pa7y/1vI/WcaL dm2m+gzmrbDI6NxcLakroPeYP53SkBllzm+WdKuW+7rdETCDEcwn1NtB/uy9g4rK8Jpl /VP3/nY1zrobiTgi2+VzIKjnC3F+hNTi7hQfVTmSUVTcqZGEV/RG1ok5ldIzVKBdARSk QADin5WLLLEMxPVlioGb97z4UQZoeDyJHquld0OqPUmZzgv1ASiHp2LxqtsCI9sYFyPV wjoG5KWSBVdR8uDHkCvEol/YVoHUbULeQXHJY2vuIKJtRgneO3IEy2QhhuOrl8S9AQKi wv8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=NP1jwOwjUrJxJqQxoHhPu1AhNhNsrHnJYMNqYD9ig6k=; b=aDE8VlK7kJc+cSXLKKHVKVzkWR7E2q4GQEcXyNNGtuuvPTBXheoTXbiA99rFpRPUtp JP24eShBtwY6x02XhDWXT7cTfx36l7f6zneOGLuH3fLb6MnIRc1m9mF2+9KI6MzlQrq3 941sEkD0Gfcq4PAIBnLQWv3QOM/jmL0DZ/uqbjqv0ek0R53JPuU35rbEbDdBDafSWTJD xvYndpASQHFsZWrqKNXGIrL77ovizJW+z/n/AHqIomzaRrugvSf7NHNWp8Or+65z6c1N LVaTkEg0kQqObSoVxeD0q63qqJTi6vLR49HTGRxbCCy3g4ad9c9XxtKyu1YAqoQ97Sjq +31g== X-Gm-Message-State: AA6/9RmQq42aDuSsRpfpawyh5uCtWefItl3nEibuoCWIMsOZ3ARvN4WggdLW201BvmBEnQ== X-Received: by 10.99.43.8 with SMTP id r8mr1961490pgr.165.1476054451524; Sun, 09 Oct 2016 16:07:31 -0700 (PDT) Received: from localhost.localdomain ([103.61.255.51]) by smtp.gmail.com with ESMTPSA id xn11sm47383192pac.38.2016.10.09.16.07.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 09 Oct 2016 16:07:30 -0700 (PDT) From: Shyam Saini To: patrik.r.jakobsson@gmail.com Subject: [PATCH 1/1] gpu: drm: gma500: Use vma_pages() Date: Mon, 10 Oct 2016 04:37:16 +0530 Message-Id: <1476054436-9378-1-git-send-email-mayhs11saini@gmail.com> X-Mailer: git-send-email 2.7.4 X-Mailman-Approved-At: Tue, 11 Oct 2016 00:46:32 +0000 Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Shyam Saini X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Replace explicit computation of vma page count by a call to vma_pages() Signed-off-by: Shyam Saini --- drivers/gpu/drm/gma500/framebuffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 3a44e70..0fde850 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -124,7 +124,7 @@ static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) unsigned long phys_addr = (unsigned long)dev_priv->stolen_base + psbfb->gtt->offset; - page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + page_num = vma_pages(vma); address = (unsigned long)vmf->virtual_address - (vmf->pgoff << PAGE_SHIFT); vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);