From patchwork Tue Aug 30 05:10:09 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Biao X-Patchwork-Id: 9304851 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 C34C8601C0 for ; Tue, 30 Aug 2016 05:10:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A365E2858F for ; Tue, 30 Aug 2016 05:10:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 96F7928A03; Tue, 30 Aug 2016 05:10:17 +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=-4.2 required=2.0 tests=BAYES_00, 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 710472858F for ; Tue, 30 Aug 2016 05:10:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7E2AF6E5E1; Tue, 30 Aug 2016 05:10:14 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx5.zte.com.cn (mx5.zte.com.cn [63.217.80.70]) by gabe.freedesktop.org (Postfix) with ESMTP id 112266E5E1 for ; Tue, 30 Aug 2016 05:10:12 +0000 (UTC) Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Websense Email Security Gateway with ESMTP id 8D72D50CDEE4C; Tue, 30 Aug 2016 13:10:06 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id u7U59ukW028315; Tue, 30 Aug 2016 13:09:56 +0800 (GMT-8) (envelope-from jiang.biao2@zte.com.cn) Subject: [PATCH] drm/gma500: remove the process of stolen page in page fault handler. X-KeepSent: 1369924B:BD4386B8-4825801F:000ACF25; type=4; name=$KeepSent To: dri-devel@lists.freedesktop.org, patrik.r.jakobsson@gmail.com X-Mailer: Lotus Notes Release 8.5.3 September 15, 2011 Message-ID: From: jiang.biao2@zte.com.cn Date: Tue, 30 Aug 2016 13:10:09 +0800 X-MIMETrack: Serialize by Router on notes_smtp/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2016-08-30 13:09:40 MIME-Version: 1.0 X-MAIL: mse01.zte.com.cn u7U59ukW028315 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Direct gtt range is used in the page fault scene in current driver, instead of stolen page. So no need to keep relative process. --- drivers/gpu/drm/gma500/gem.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) -- 2.1.0 diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c index 6d1cb6b..53cb6704 100644 --- a/drivers/gpu/drm/gma500/gem.c +++ b/drivers/gpu/drm/gma500/gem.c @@ -201,10 +201,7 @@ int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) >> PAGE_SHIFT; /* CPU view of the page, don't go via the GART for CPU writes */ - if (r->stolen) - pfn = (dev_priv->stolen_base + r->offset) >> PAGE_SHIFT; - else - pfn = page_to_pfn(r->pages[page_offset]); + pfn = page_to_pfn(r->pages[page_offset]); ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn); fail: