From patchwork Tue Sep 27 13:58:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brent Lu X-Patchwork-Id: 12990637 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F1737C6FA82 for ; Tue, 27 Sep 2022 14:00:48 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 4E4B3825; Tue, 27 Sep 2022 15:59:56 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 4E4B3825 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1664287246; bh=ZXrmu/PunYDe1xIi4jB5rE+3PR+QFCMY2cJy+0qk9sE=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=aigFqRA0t3KclZfze8hk8sIRoly1XfJNmxe+euP3fM7gtVMty20q4UOr4r9kLhyea 2Bocu9uZFQAt1ZK/7YhIZxQ6vz3ley5DUeRGPSogv7xEIVLRmnGsiQDSEoRZADE39q b28ZgWOBA6YsXeXQIZFbd6uiP0sl3I0pSDDkxxME= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E1B8EF8024C; Tue, 27 Sep 2022 15:59:55 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 7984CF8025E; Tue, 27 Sep 2022 15:59:54 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 0538AF80166 for ; Tue, 27 Sep 2022 15:59:47 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 0538AF80166 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="FqY/AAEU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664287189; x=1695823189; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ZXrmu/PunYDe1xIi4jB5rE+3PR+QFCMY2cJy+0qk9sE=; b=FqY/AAEUAdRmAp8hP4mJiaXtDb7rYBA5VSo8Iq6ugV5xEZHVfhkVcnQw EuSlYqrp8upP6aZEMzh5BecBs5OCbm1v6MpGYlZPcTZgObYwgZoO9NoHP 0G3xXD7AF+7ZHLSlISZ+80/GS3xp9AAYpebnbgYpmfy9EDEdPAZrUAZ+A UKXGeV4OMGEao31zlygqlBxIdvnJyyqpWtz+gUM/fekzxEY76FKSljUn9 1IHlA1QsBKLCintMX3zRO/F00OGjemCJzMeU2y5alZ5ixFqzwCv54k/Ky MtzeaRqB6+00lo8uE0JL9HPzggErHk4H2H5YVlMHcj5WLSrV68vBZ2f1i Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10483"; a="300040867" X-IronPort-AV: E=Sophos;i="5.93,349,1654585200"; d="scan'208";a="300040867" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2022 06:59:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10483"; a="683999422" X-IronPort-AV: E=Sophos;i="5.93,349,1654585200"; d="scan'208";a="683999422" Received: from brentlu-brix.itwn.intel.com ([10.5.253.25]) by fmsmga008.fm.intel.com with ESMTP; 27 Sep 2022 06:59:42 -0700 From: Brent Lu To: alsa-devel@alsa-project.org Subject: [PATCH] ALSA: hda/hdmi: run eld notify in delay work Date: Tue, 27 Sep 2022 21:58:07 +0800 Message-Id: <20220927135807.4097052-1-brent.lu@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Cc: Kai Vehmanen , linux-kernel@vger.kernel.org, Pierre-Louis Bossart , Takashi Iwai , Brent Lu , Mohan Kumar , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , Yong Zhi X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" During resolution change, display driver would disable HDMI audio then enable it in a short time. There is possibility that eld notify for HDMI audio enable is called when previous runtime suspend is still running. In this case, the elf nofity just returns and not updating the status of corresponding HDMI pin/port. Here we move the eld nofity to a delay work so we don't lose it. Signed-off-by: Brent Lu Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_hdmi.c | 38 +++++++++++++++++++++++++++++++++----- 1 file changed, 33 insertions(+), 5 deletions(-) diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 6c209cd26c0c..a4c305ee8ff9 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -2907,13 +2907,21 @@ static int intel_port2pin(struct hda_codec *codec, int port) return spec->port_map[port]; } -static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe) +struct pin_eld_notify { + void *audio_ptr; + int port; + int pipe; + struct delayed_work notify_work; +}; + +static void pin_eld_notify_work(struct work_struct *work) { - struct hda_codec *codec = audio_ptr; + struct pin_eld_notify *notify = container_of(work, struct pin_eld_notify, notify_work.work); + struct hda_codec *codec = notify->audio_ptr; int pin_nid; - int dev_id = pipe; + int dev_id = notify->pipe; - pin_nid = intel_port2pin(codec, port); + pin_nid = intel_port2pin(codec, notify->port); if (!pin_nid) return; /* skip notification during system suspend (but not in runtime PM); @@ -2922,13 +2930,33 @@ static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe) if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND) return; /* ditto during suspend/resume process itself */ - if (snd_hdac_is_in_pm(&codec->core)) + if (snd_hdac_is_in_pm(&codec->core)) { + schedule_delayed_work(¬ify->notify_work, msecs_to_jiffies(10)); return; + } snd_hdac_i915_set_bclk(&codec->bus->core); check_presence_and_report(codec, pin_nid, dev_id); } +static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe) +{ + struct hda_codec *codec = audio_ptr; + struct device *dev = hda_codec_dev(codec); + struct pin_eld_notify *notify; + + notify = devm_kzalloc(dev, sizeof(struct pin_eld_notify), GFP_KERNEL); + if (!notify) + return; + + notify->audio_ptr = audio_ptr; + notify->port = port; + notify->pipe = pipe; + INIT_DELAYED_WORK(¬ify->notify_work, pin_eld_notify_work); + + schedule_delayed_work(¬ify->notify_work, 0); +} + static const struct drm_audio_component_audio_ops intel_audio_ops = { .pin2port = intel_pin2port, .pin_eld_notify = intel_pin_eld_notify,