From patchwork Tue Jul 11 14:33:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maarten Lankhorst X-Patchwork-Id: 9834881 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 C481A60393 for ; Tue, 11 Jul 2017 14:34:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B5C84284BD for ; Tue, 11 Jul 2017 14:34:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AA7EB284B5; Tue, 11 Jul 2017 14:34:42 +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=unavailable 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 7F01B284D1 for ; Tue, 11 Jul 2017 14:34:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B8A686E32D; Tue, 11 Jul 2017 14:33:35 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mblankhorst.nl (mblankhorst.nl [IPv6:2a02:2308::216:3eff:fe92:dfa3]) by gabe.freedesktop.org (Postfix) with ESMTPS id BDED56E2E0; Tue, 11 Jul 2017 14:33:32 +0000 (UTC) From: Maarten Lankhorst To: dri-devel@lists.freedesktop.org Date: Tue, 11 Jul 2017 16:33:14 +0200 Message-Id: <20170711143314.2148-13-maarten.lankhorst@linux.intel.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170711143314.2148-1-maarten.lankhorst@linux.intel.com> References: <20170711143314.2148-1-maarten.lankhorst@linux.intel.com> Cc: intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH v2 12/12] drm/atomic: Allow drm_atomic_helper_swap_state to fail 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 Signed-off-by: Maarten Lankhorst Reviewed-by: Daniel Vetter --- drivers/gpu/drm/drm_atomic_helper.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index bfb98fbd0e0e..05a22aeffbb0 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -2261,13 +2261,13 @@ EXPORT_SYMBOL(drm_atomic_helper_cleanup_planes); * * Returns: * - * Always returns 0, cannot fail yet. + * Returns 0 on success. Can return -ERESTARTSYS when @stall is true and the + * waiting for the previous commits has been interrupted. */ int drm_atomic_helper_swap_state(struct drm_atomic_state *state, bool stall) { - int i; - long ret; + int i, ret; struct drm_connector *connector; struct drm_connector_state *old_conn_state, *new_conn_state; struct drm_crtc *crtc; @@ -2290,12 +2290,11 @@ int drm_atomic_helper_swap_state(struct drm_atomic_state *state, if (!commit) continue; - ret = wait_for_completion_timeout(&commit->hw_done, - 10*HZ); - if (ret == 0) - DRM_ERROR("[CRTC:%d:%s] hw_done timed out\n", - crtc->base.id, crtc->name); + ret = wait_for_completion_interruptible(&commit->hw_done); drm_crtc_commit_put(commit); + + if (ret) + return ret; } }