From patchwork Wed Jan 8 17:54:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Louis Bossart X-Patchwork-Id: 193927 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, 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 93A59C282DD for ; Wed, 8 Jan 2020 17:57:41 +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 242122067D for ; Wed, 8 Jan 2020 17:57:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="udX23kR3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 242122067D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.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 7D4071764; Wed, 8 Jan 2020 18:56:49 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 7D4071764 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1578506259; bh=6HR+/e/pasU7ANYcoObkqcyXssaWKU1VRsWpgHMMMzg=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=udX23kR3+qzcMqFMzszPhQjzpQHSgxAd0prnolPs797UWN0tCwIn1k4tCn99ZDZEi pM6zt2hy11tUU40/Y8VmkFx6mRtm67BLEUgL86YW6jwicucxsG+nKD2gF49Bv3g38F SvORD1ILHXAyVLrUmWmbWPuHybzvC3g/ir+CS1DE= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 0480EF8010A; Wed, 8 Jan 2020 18:55:13 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id E26ACF80159; Wed, 8 Jan 2020 18:55:09 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (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 B69D6F80159 for ; Wed, 8 Jan 2020 18:55:04 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz B69D6F80159 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jan 2020 09:55:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,410,1571727600"; d="scan'208";a="211617390" Received: from cozturk-mobl2.amr.corp.intel.com (HELO pbossart-mobl3.amr.corp.intel.com) ([10.251.17.77]) by orsmga007.jf.intel.com with ESMTP; 08 Jan 2020 09:55:01 -0800 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Wed, 8 Jan 2020 11:54:35 -0600 Message-Id: <20200108175438.13121-4-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200108175438.13121-1-pierre-louis.bossart@linux.intel.com> References: <20200108175438.13121-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Cc: Pierre-Louis Bossart , tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Ranjani Sridharan , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale , Bard liao , Rander Wang Subject: [alsa-devel] [PATCH 3/6] soundwire: stream: only prepare stream when it is configured. 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" From: Bard Liao We don't need to prepare the stream again if the stream is already prepared. sdw_prepare_stream() could be called multiple times without calling sdw_deprepare_stream(). We call sdw_prepare_stream() in the prepare dai ops and sdw_deprepare_stream() in the hw_free dai ops. If an xrun happens, sdw_prepare_stream() will be called but sdw_deprepare_stream() will not, which results in an imbalance and an invalid total bandwidth. Signed-off-by: Bard Liao Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/stream.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 6aa0b5d370c0..bd0bddf73830 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1544,7 +1544,7 @@ static int _sdw_prepare_stream(struct sdw_stream_runtime *stream) */ int sdw_prepare_stream(struct sdw_stream_runtime *stream) { - int ret = 0; + int ret; if (!stream) { pr_err("SoundWire: Handle not found for stream\n"); @@ -1553,6 +1553,11 @@ int sdw_prepare_stream(struct sdw_stream_runtime *stream) sdw_acquire_bus_lock(stream); + if (stream->state == SDW_STREAM_PREPARED) { + ret = 0; + goto state_err; + } + if (stream->state != SDW_STREAM_CONFIGURED && stream->state != SDW_STREAM_DEPREPARED && stream->state != SDW_STREAM_DISABLED) { From patchwork Wed Jan 8 17:54:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Louis Bossart X-Patchwork-Id: 193926 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,USER_AGENT_GIT autolearn=unavailable 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 27BC2C282DD for ; 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08 Jan 2020 09:55:04 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,410,1571727600"; d="scan'208";a="211617401" Received: from cozturk-mobl2.amr.corp.intel.com (HELO pbossart-mobl3.amr.corp.intel.com) ([10.251.17.77]) by orsmga007.jf.intel.com with ESMTP; 08 Jan 2020 09:55:03 -0800 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Wed, 8 Jan 2020 11:54:36 -0600 Message-Id: <20200108175438.13121-5-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200108175438.13121-1-pierre-louis.bossart@linux.intel.com> References: <20200108175438.13121-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Cc: Pierre-Louis Bossart , tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Ranjani Sridharan , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale , Bard liao , Rander Wang Subject: [alsa-devel] [PATCH 4/6] soundwire: stream: do not update parameters during DISABLED-PREPARED transition 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" After a system suspend, the ALSA/ASoC core will invoke the .prepare() callback and a TRIGGER_START when INFO_RESUME is not supported. Likewise, when an underflow occurs, the .prepare callback will be invoked. In both cases, the stream can be in DISABLED mode, and will transition into the PREPARED mode. We however don't want the bus bandwidth to be recomputed. Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/stream.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index bd0bddf73830..c28ce7f0d742 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1460,7 +1460,8 @@ static void sdw_release_bus_lock(struct sdw_stream_runtime *stream) } } -static int _sdw_prepare_stream(struct sdw_stream_runtime *stream) +static int _sdw_prepare_stream(struct sdw_stream_runtime *stream, + bool update_params) { struct sdw_master_runtime *m_rt; struct sdw_bus *bus = NULL; @@ -1480,6 +1481,9 @@ static int _sdw_prepare_stream(struct sdw_stream_runtime *stream) return -EINVAL; } + if (!update_params) + goto program_params; + /* Increment cumulative bus bandwidth */ /* TODO: Update this during Device-Device support */ bus->params.bandwidth += m_rt->stream->params.rate * @@ -1495,6 +1499,7 @@ static int _sdw_prepare_stream(struct sdw_stream_runtime *stream) } } +program_params: /* Program params */ ret = sdw_program_params(bus); if (ret < 0) { @@ -1544,6 +1549,7 @@ static int _sdw_prepare_stream(struct sdw_stream_runtime *stream) */ int sdw_prepare_stream(struct sdw_stream_runtime *stream) { + bool update_params = true; int ret; if (!stream) { @@ -1567,7 +1573,16 @@ int sdw_prepare_stream(struct sdw_stream_runtime *stream) goto state_err; } - ret = _sdw_prepare_stream(stream); + /* + * when the stream is DISABLED, this means sdw_prepare_stream() + * is called as a result of an underflow or a resume operation. + * In this case, the bus parameters shall not be recomputed, but + * still need to be re-applied + */ + if (stream->state == SDW_STREAM_DISABLED) + update_params = false; + + ret = _sdw_prepare_stream(stream, update_params); state_err: sdw_release_bus_lock(stream); From patchwork Wed Jan 8 17:54:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre-Louis Bossart X-Patchwork-Id: 193925 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=-14.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 1B148C3F68F for ; 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a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1578506411; bh=TzL1sRtUuB60T9Y4fU8OedESuNQxTbZNNF3vd5l39x0=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=dtIWdkDSmH5+6NPep9j78Osa473OtY1d2axRtu7KrTKtc3vN66mmenKXiJQ8o/cis q5NZ6HKSephVayBsAZvIAAIiI2pOws6nK0/I24m+ZbWBY9fbkq9fG3aORCoDoX3bhu EE7TK9szF8cl1fT5o9h6GuyilZhtoWiJq1m71n2c= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 4064EF80299; Wed, 8 Jan 2020 18:55:18 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 471ACF80277; Wed, 8 Jan 2020 18:55:14 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (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 9537BF8026F for ; Wed, 8 Jan 2020 18:55:08 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9537BF8026F X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jan 2020 09:55:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,410,1571727600"; d="scan'208";a="211617417" Received: from cozturk-mobl2.amr.corp.intel.com (HELO pbossart-mobl3.amr.corp.intel.com) ([10.251.17.77]) by orsmga007.jf.intel.com with ESMTP; 08 Jan 2020 09:55:06 -0800 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Date: Wed, 8 Jan 2020 11:54:38 -0600 Message-Id: <20200108175438.13121-7-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200108175438.13121-1-pierre-louis.bossart@linux.intel.com> References: <20200108175438.13121-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Cc: Pierre-Louis Bossart , tiwai@suse.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Ranjani Sridharan , vkoul@kernel.org, broonie@kernel.org, srinivas.kandagatla@linaro.org, jank@cadence.com, slawomir.blauciak@intel.com, Sanyog Kale , Rander Wang , Bard liao , Rander Wang Subject: [alsa-devel] [PATCH 6/6] soundwire: stream: don't program ports for a stream that has not been prepared 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" From: Rander Wang In the Intel QA multi-pipelines test case, there are two pipelines for playback and capture on the same bus. The test fails with an error when setting port params: [ 599.224812] rt711 sdw:0:25d:711:0: invalid dpn_prop direction 1 port_num 0 [ 599.224815] sdw_program_slave_port_params failed -22 [ 599.224819] intel-sdw sdw-master-0: Program transport params failed: -22 [ 599.224822] intel-sdw sdw-master-0: Program params failed: -22 [ 599.224828] sdw_enable_stream: SDW0 Pin2-Playback: done This problem is root-caused to the programming of the capture stream ports while it is not yet prepared, the calling sequence is: (1) hw_params for playback. The playback stream provide the port information to Bus. (2) stream_prepare for playback, Transport and port parameters are computed for playback. (3) hw_params for capture. The capture stream provide the port information to Bus, but it has not been prepared so is not accounted for in the bandwidth allocation. (4) stream_enable for playback. Program transport and port parameters for all masters and slaves. Since the transport and port parameters are not computed for capture stream, sdw_program_slave_port_params will generate a error when setting port params for capture. in step (4), we should only program the ports for the stream that have been prepared. A stream that is only in CONFIGURED state should be ignored, its ports will be programmed when it becomes PREPARED. Tested on Comet Lake. GitHub issue: https://github.com/thesofproject/linux/issues/1637 Signed-off-by: Rander Wang Signed-off-by: Pierre-Louis Bossart --- drivers/soundwire/stream.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index da10f38298c0..198372977187 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -604,12 +604,23 @@ static int sdw_notify_config(struct sdw_master_runtime *m_rt) * * @bus: SDW bus instance */ -static int sdw_program_params(struct sdw_bus *bus) +static int sdw_program_params(struct sdw_bus *bus, bool prepare) { struct sdw_master_runtime *m_rt; int ret = 0; list_for_each_entry(m_rt, &bus->m_rt_list, bus_node) { + + /* + * this loop walks through all master runtimes for a + * bus, but the ports can only be configured while + * explicitly preparing a stream or handling an + * already-prepared stream otherwise. + */ + if (!prepare && + m_rt->stream->state == SDW_STREAM_CONFIGURED) + continue; + ret = sdw_program_port_params(m_rt); if (ret < 0) { dev_err(bus->dev, @@ -1502,7 +1513,7 @@ static int _sdw_prepare_stream(struct sdw_stream_runtime *stream, program_params: /* Program params */ - ret = sdw_program_params(bus); + ret = sdw_program_params(bus, true); if (ret < 0) { dev_err(bus->dev, "Program params failed: %d\n", ret); goto restore_params; @@ -1602,7 +1613,7 @@ static int _sdw_enable_stream(struct sdw_stream_runtime *stream) bus = m_rt->bus; /* Program params */ - ret = sdw_program_params(bus); + ret = sdw_program_params(bus, false); if (ret < 0) { dev_err(bus->dev, "Program params failed: %d\n", ret); return ret; @@ -1687,7 +1698,7 @@ static int _sdw_disable_stream(struct sdw_stream_runtime *stream) struct sdw_bus *bus = m_rt->bus; /* Program params */ - ret = sdw_program_params(bus); + ret = sdw_program_params(bus, false); if (ret < 0) { dev_err(bus->dev, "Program params failed: %d\n", ret); return ret; @@ -1769,7 +1780,7 @@ static int _sdw_deprepare_stream(struct sdw_stream_runtime *stream) m_rt->ch_count * m_rt->stream->params.bps; /* Program params */ - ret = sdw_program_params(bus); + ret = sdw_program_params(bus, false); if (ret < 0) { dev_err(bus->dev, "Program params failed: %d\n", ret); return ret;