From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 511BFC00523 for ; Wed, 8 Jan 2020 06:17:41 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2C9FC2077B for ; Wed, 8 Jan 2020 06:17:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C9FC2077B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C2BC66E181; Wed, 8 Jan 2020 06:17:40 +0000 (UTC) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1AC4D6E181 for ; Wed, 8 Jan 2020 06:17:39 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id B5333ADDD; Wed, 8 Jan 2020 06:17:37 +0000 (UTC) Date: Wed, 08 Jan 2020 07:17:37 +0100 Message-ID: From: Takashi Iwai To: In-Reply-To: References: <5aff22f1e36e484fa52e17c855e8ddc8@TPEMBX03.compal.com> <20200107172457.GA18938@nc-hades.jf.intel.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Subject: Re: [Intel-gfx] [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: AJ_Cheng@compal.com, alsa-devel@alsa-project.org, CindyXT_Wang@compal.com, intel-gfx@lists.freedesktop.org, Nelson_Ye@compal.com, Shane_Yap@compal.com, Evan_Tseng@compal.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Wed, 08 Jan 2020 04:07:17 +0100, wrote: > > Hi Takashi > > Is the attachment what you suspect? That merged to our kernel v4.19 already, have any suggestions? Thanks. Then I have no concrete idea. It might be some other changes in HDMI codec driver or it might be a fix in i915 graphics side, or even thunderbolt or whatever, too... Takashi > > -----Original Message----- > From: Takashi Iwai > Sent: Wednesday, January 8, 2020 2:57 AM > To: Nathan Ciobanu > Cc: Kao. Lucien (TPE) ; Cheng. AJ (TPE) ; intel-gfx@lists.freedesktop.org; alsa-devel@alsa-project.org; Wang. CindyXT (TPE) ; Ye. Nelson (TPE) ; Yap. Shane (TPE) ; Tseng. Evan (TPE) > Subject: Re: [alsa-devel] USB Type-C monitor flashes once when play a video file after unplug and re-plug the monitor > > On Tue, 07 Jan 2020 18:24:57 +0100, > Nathan Ciobanu wrote: > > > > On Mon, Jan 06, 2020 at 08:08:04AM +0000, Lucien_Kao@compal.com wrote: > > > Hi Takashi > > > > > > We verified on Ubuntu 19.10 with kernel 5.4.0.0-050400-generic (please refer to attachment), the result is positive which symptom doesn't happen anymore once I played music or video sound output through Dell S2718D Type-C monitor. It seems had some fix in latest kernel. > > > > Takashi, can you point to the patch series you suspect may have fixed this issue? > > The first suspect would be > 2756d9143aa517b97961e85412882b8ce31371a6 > ALSA: hda - Fix intermittent CORB/RIRB stall on Intel chips > > Takashi > > > > > Thanks, > > Nathan > > > > > > Thanks. > > > > > > > > > -----Original Message----- > > > From: Takashi Iwai > > > Sent: Friday, January 3, 2020 5:16 PM > > > To: Cheng. AJ (TPE) > > > Cc: intel-gfx@lists.freedesktop.org; alsa-devel@alsa-project.org; > > > nathan.d.ciobanu@linux.intel.com; Wang. CindyXT (TPE) > > > ; Ye. Nelson (TPE) ; > > > Yap. Shane (TPE) ; Kao. Lucien (TPE) > > > ; Tseng. Evan (TPE) > > > Subject: Re: [alsa-devel] USB Type-C monitor flashes once when play > > > a video file after unplug and re-plug the monitor > > > > > > On Fri, 03 Jan 2020 02:57:03 +0100, > > > wrote: > > > > > > > > Hi Sirs, > > > > Here is chromebook SW team from Compal. > > > > As the mail title, we hit issue that the external monitor will flash once when play video after hot pluging. > > > > We can reproduce not only on chromebook but also ubuntu 16.04. > > > > There has higher failure rate with Dell Solomon dock and Dell S2718D monitor. > > > > > > > > We found adding the delay in "sound/pci/hda/patch_hdmi.c " can fix > > > > this issue.(as the attachment) May need your help to review and advice. Thanks. > > > > > > > > Here is the issue number in gitlab for more detail. > > > > https://gitlab.freedesktop.org/drm/intel/issues/318 > > > > > > Could you check whether it still happens with the latest upstream kernel, at least 5.4.y, if it wasn't tested yet? > > > > > > I don't want to put a long delay just because of random reason unless it's really mandatory. I'm wondering whether the recent write-sync change improves the situation, so let's check the recent code. > > > > > > > > > thanks, > > > > > > Takashi > > > > > > > > > > > > > > > > > > > AJ Cheng > > > > NID/NID1 > > > > e-mail: AJ_Cheng@compal.com > > > > Tel: +886-2-8797-8599 ext. 17561 > > > > Mobile : +886-932827829 > > > > COMPAL Electronics, Inc. > > > > > > > > [2 flash_once.diff ] > > > > > > > > _______________________________________________ > > > > Alsa-devel mailing list > > > > Alsa-devel@alsa-project.org > > > > https://mailman.alsa-project.org/mailman/listinfo/alsa-devel > > > > > > ============================================================================== > ================================= > This message may contain information which is private, privileged or > confidential of Compal Electronics, Inc. > If you are not the intended recipient of this message, please notify the > sender and destroy/delete the message. > Any review, retransmission, dissemination or other use of, or taking of any > action in reliance upon this information, > by persons or entities other than the intended recipient is prohibited. > ============================================================================== > ================================= > > > [1.2 ] > > [2 0001-UPSTREAM-ALSA-hda-Fix-intermittent-CORB-RIRB-stall-o.patch ] > _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx