From patchwork Thu Nov 22 14:34:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 10694357 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1F7C213AD for ; Thu, 22 Nov 2018 14:34:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 11A122CE2F for ; Thu, 22 Nov 2018 14:34:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 060972CE31; Thu, 22 Nov 2018 14:34:25 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 6780E2CE32 for ; Thu, 22 Nov 2018 14:34:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D34996E533; Thu, 22 Nov 2018 14:34:22 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id AB68B6E530; Thu, 22 Nov 2018 14:34:19 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Nov 2018 06:34:18 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,266,1539673200"; d="scan'208";a="110316545" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by fmsmga001.fm.intel.com with SMTP; 22 Nov 2018 06:34:17 -0800 Received: by stinkbox (sSMTP sendmail emulation); Thu, 22 Nov 2018 16:34:16 +0200 From: Ville Syrjala To: dri-devel@lists.freedesktop.org Date: Thu, 22 Nov 2018 16:34:12 +0200 Message-Id: <20181122143412.11655-2-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.18.1 In-Reply-To: <20181122143412.11655-1-ville.syrjala@linux.intel.com> References: <20181122143412.11655-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/2] drm/atomic-helper: WARN if fake_commit->hw_done is not completed as expected X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Ville Syrjälä For real commits we WARN if ->hw_done hasn't been completed by the time drm_atomic_helper_commit_cleanup_done() is called. Let's do the same for the fake commit. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/drm_atomic_helper.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 47398662b895..bc9fc9665614 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -2220,8 +2220,10 @@ void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *old_state) spin_unlock(&crtc->commit_lock); } - if (old_state->fake_commit) + if (old_state->fake_commit) { complete_all(&old_state->fake_commit->cleanup_done); + WARN_ON(!try_wait_for_completion(&old_state->fake_commit->hw_done)); + } } EXPORT_SYMBOL(drm_atomic_helper_commit_cleanup_done);