From patchwork Fri Mar 11 14:29:27 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Christian_K=C3=B6nig?= X-Patchwork-Id: 8565721 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 86AE7C0553 for ; Fri, 11 Mar 2016 14:29:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BBDB82034C for ; Fri, 11 Mar 2016 14:29:41 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id E5F1F202E9 for ; Fri, 11 Mar 2016 14:29:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1A0386E11D; Fri, 11 Mar 2016 14:29:36 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id C808D6E11D for ; Fri, 11 Mar 2016 14:29:33 +0000 (UTC) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix1 Daemon) with ESMTP id A29B62619F1; Fri, 11 Mar 2016 15:29:32 +0100 (CET) X-Virus-Scanned: amavisd-new at vodafone.de X-Spam-Score: 0.2 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, FREEMAIL_FROM,RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Authentication-Results: rohrpostix1.prod.vfnet.de (amavisd-new); dkim=pass header.i=@vodafone.de Received: from pegasos-out.vodafone.de ([127.0.0.1]) by localhost (rohrpostix1.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LBaEB4RWrFTN; Fri, 11 Mar 2016 15:29:29 +0100 (CET) Received: from smtp-01.vodafone.de (xsmail-dmz5.prod.vfnet.de [10.215.254.36]) by pegasos-out.vodafone.de (Rohrpostix1 Daemon) with ESMTP id 01CC52619E9; Fri, 11 Mar 2016 15:29:29 +0100 (CET) X-DKIM: OpenDKIM Filter v2.6.8 pegasos-out.vodafone.de 01CC52619E9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vodafone.de; s=mail; t=1457706569; bh=0TNjLxR2rpSX/Y41oyVAKKyTvYXNhjIzmZGhXoRygHA=; h=From:To:Cc:Subject:Date; b=t9G5U8/GA6qpeCgZk71RoH27P2th79hFz35b7+bY7fpqFeAFULAwwtPuqGb5VTW6T gnA6HXXlMtTnEgpR9XExCnsrnPMcpP3kpYlWyz+RQdXUOk/U9nIyTgY8jH/7AB/soG CVSy87ol2sunM1lO+EaZobiDk3RXkdPuUZkrQwr0= X-Virus-Scanned: amavisd-new at vodafone.de Received: from smtp-01.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz5.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id llk1UWxoDrmc; Fri, 11 Mar 2016 15:29:26 +0100 (CET) From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: dri-devel@lists.freedesktop.org Subject: [PATCH] drm/amdgpu: allow write access to mapped userptrs Date: Fri, 11 Mar 2016 15:29:27 +0100 Message-Id: <1457706567-14271-1-git-send-email-deathsimple@vodafone.de> X-Mailer: git-send-email 2.5.0 MIME-Version: 1.0 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-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Christian König With the updated MMU notifier we should also be able to handle the writeback case correctly. Signed-off-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 7f6b4d9..5d280f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -258,12 +258,10 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data, AMDGPU_GEM_USERPTR_REGISTER)) return -EINVAL; - if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && ( - !(args->flags & AMDGPU_GEM_USERPTR_ANONONLY) || - !(args->flags & AMDGPU_GEM_USERPTR_REGISTER))) { + if (!(args->flags & AMDGPU_GEM_USERPTR_READONLY) && + !(args->flags & AMDGPU_GEM_USERPTR_REGISTER)) { - /* if we want to write to it we must require anonymous - memory and install a MMU notifier */ + /* if we want to write to it we must install a MMU notifier */ return -EACCES; }