From patchwork Fri Sep 22 12:34:33 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kahola X-Patchwork-Id: 9966003 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 49C0260381 for ; Fri, 22 Sep 2017 12:38:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 58196293EC for ; Fri, 22 Sep 2017 12:38:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4CC5A29450; Fri, 22 Sep 2017 12:38:31 +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 E5008293EC for ; Fri, 22 Sep 2017 12:38:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DF2206E24E; Fri, 22 Sep 2017 12:38:29 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 571426E24E for ; Fri, 22 Sep 2017 12:38:28 +0000 (UTC) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Sep 2017 05:38:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,427,1500966000"; d="scan'208";a="902898944" Received: from sorvi.fi.intel.com ([10.237.72.154]) by FMSMGA003.fm.intel.com with ESMTP; 22 Sep 2017 05:38:26 -0700 From: Mika Kahola To: intel-gfx@lists.freedesktop.org Date: Fri, 22 Sep 2017 15:34:33 +0300 Message-Id: <1506083673-6041-1-git-send-email-mika.kahola@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [Intel-gfx] [PATCH i-g-t] tests/kms_frontbuffer_tracking: Try harder to collect CRC's 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 It seems that at least with GLK with MIPI/DSI display, the first collected CRC is bogus. To fix this, try to collect two CRC's instead of one. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101309 Signed-off-by: Mika Kahola --- tests/kms_frontbuffer_tracking.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c index a068c8a..df7cc6e 100644 --- a/tests/kms_frontbuffer_tracking.c +++ b/tests/kms_frontbuffer_tracking.c @@ -1239,8 +1239,18 @@ static void print_crc(const char *str, struct both_crcs *crc) static void collect_crcs(struct both_crcs *crcs, bool mandatory_sink_crc) { - igt_pipe_crc_collect_crc(pipe_crc, &crcs->pipe); + int n; + igt_crc_t *crc = NULL; + + igt_pipe_crc_start(pipe_crc); + n = igt_pipe_crc_get_crcs(pipe_crc, 2, &crc); + igt_pipe_crc_stop(pipe_crc); + igt_assert(n > 0); + igt_assert_crc_equal(&crc[0], &crc[1]); + crcs->pipe = crc[0]; + get_sink_crc(&crcs->sink, mandatory_sink_crc); + free(crc); } static void init_blue_crc(enum pixel_format format, bool mandatory_sink_crc)