From patchwork Mon Oct 16 08:57:34 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Tina" X-Patchwork-Id: 10007889 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 18C9760235 for ; Mon, 16 Oct 2017 09:03:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B9F9283D9 for ; Mon, 16 Oct 2017 09:03:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 005A6283E8; Mon, 16 Oct 2017 09:03:07 +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 C3413283D9 for ; Mon, 16 Oct 2017 09:03:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 634126E2EB; Mon, 16 Oct 2017 09:03:07 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6C3436E1D2; Mon, 16 Oct 2017 09:03:04 +0000 (UTC) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Oct 2017 02:03:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.43,386,1503385200"; d="scan'208"; a="1206262706" Received: from tinazhang-linux-1.bj.intel.com ([10.238.158.80]) by fmsmga001.fm.intel.com with ESMTP; 16 Oct 2017 02:03:01 -0700 From: Tina Zhang To: chris@chris-wilson.co.uk, zhenyuw@linux.intel.com, zhiyuan.lv@intel.com, zhi.a.wang@intel.com, kevin.tian@intel.com, daniel@ffwll.ch Date: Mon, 16 Oct 2017 16:57:34 +0800 Message-Id: <1508144254-3526-3-git-send-email-tina.zhang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1508144254-3526-1-git-send-email-tina.zhang@intel.com> References: <1508144254-3526-1-git-send-email-tina.zhang@intel.com> Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org Subject: [Intel-gfx] [PATCH v1 2/2] drm/i915: Changing GEM proxy backing storage is banned with ENXIO X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP GEM proxy is a kind of GEM object whose backing storage cannot be changed by host i915 driver. -ENXIO should be returned when operations are banned from changing backing storage of this kind of GEM object. Signed-off-by: Tina Zhang Cc: Joonas Lahtinen Cc: Daniel Vetter Cc: Chris Wilson Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 7d3116a..8f61c7f 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1713,7 +1713,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, */ if (!obj->base.filp) { i915_gem_object_put(obj); - return -EINVAL; + return -ENXIO; } addr = vm_mmap(obj->base.filp, 0, args->size,