From patchwork Thu Mar 5 14:53:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 193397 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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 BC8B2C3F2D1 for ; Thu, 5 Mar 2020 14:56:05 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4837220732 for ; Thu, 5 Mar 2020 14:56:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="bEglkeSt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4837220732 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org 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 A309E1671; Thu, 5 Mar 2020 15:55:13 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz A309E1671 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1583420163; bh=vzjQE/SZOddHc4hn1BPoNfC7fivkCLGOybmnb17MOg4=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=bEglkeSt1UDw4hdqD6EZWAaB/dg8o2UbcmNLjqZIaPKmoq6PC4hzXgiOAawV/xRyQ HRCHDJWOdQdw28Tm2AfDiaUZbIHWE24SdI5OiBFEjzAVdlXPv83rxHK5j52xbg7+e0 v+YDGQv3utiLd/S96NHfV7LiipWHv5okx50Wdng0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E3ECCF80271; Thu, 5 Mar 2020 15:53:53 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D28F4F80266; Thu, 5 Mar 2020 15:53:47 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) (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 53446F8025F for ; Thu, 5 Mar 2020 15:53:40 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 53446F8025F X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Mar 2020 06:53:39 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,518,1574150400"; d="scan'208";a="352372584" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by fmsmga001.fm.intel.com with ESMTP; 05 Mar 2020 06:53:37 -0800 From: Cezary Rojewski To: alsa-devel@alsa-project.org Subject: [PATCH 1/7] ASoC: Intel: Skylake: Remove superfluous chip initialization Date: Thu, 5 Mar 2020 15:53:08 +0100 Message-Id: <20200305145314.32579-2-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200305145314.32579-1-cezary.rojewski@intel.com> References: <20200305145314.32579-1-cezary.rojewski@intel.com> Cc: pierre-louis.bossart@linux.intel.com, Cezary Rojewski , lgirdwood@gmail.com, tiwai@suse.com, vkoul@kernel.org, broonie@kernel.org 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" Skylake driver does the controller init operation twice: - first during probe (only to stop it just before scheduling probe_work) - and during said probe_work where the actual correct sequence is executed To properly complete boot sequence when iDisp codec is present, bus initialization has to be called only after _i915_init() finishes. With additional _reset_list preceding _i915_init(), iDisp codec never gets the chance to enumerate on the link. Remove the superfluous initialization to address the issue. Signed-off-by: Cezary Rojewski --- sound/soc/intel/skylake/skl.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index f755ca2484cf..d66231525356 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -803,6 +803,9 @@ static void skl_probe_work(struct work_struct *work) return; } + skl_init_pci(skl); + skl_dum_set(bus); + err = skl_init_chip(bus, true); if (err < 0) { dev_err(bus->dev, "Init chip failed with err: %d\n", err); @@ -918,8 +921,6 @@ static int skl_first_init(struct hdac_bus *bus) return -ENXIO; } - snd_hdac_bus_reset_link(bus, true); - snd_hdac_bus_parse_capabilities(bus); /* check if PPCAP exists */ @@ -967,11 +968,7 @@ static int skl_first_init(struct hdac_bus *bus) if (err < 0) return err; - /* initialize chip */ - skl_init_pci(skl); - skl_dum_set(bus); - - return skl_init_chip(bus, true); + return 0; } static int skl_probe(struct pci_dev *pci, @@ -1064,8 +1061,6 @@ static int skl_probe(struct pci_dev *pci, if (bus->mlcap) snd_hdac_ext_bus_get_ml_capabilities(bus); - snd_hdac_bus_stop_chip(bus); - /* create device for soc dmic */ err = skl_dmic_device_register(skl); if (err < 0) {