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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 8A13DC433E1 for ; Fri, 19 Jun 2020 04:55:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69F332100A for ; Fri, 19 Jun 2020 04:55:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592542518; bh=dFySWiW+V3w18ShvwVA+ym0QQvWEuHOaM8UF5XXckvE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=aJZyFqnul/F9CcNSd06RSdqsJGgJ8A8GjjiMlC/3MwG5UoAyAWfb1oa2Vu9blNRnu IxP27n3WLscJ04/YL0mHy06KVdl2jw2oh4N+zW1+14Vlf8CDweVuvvGLEEhvyg/0X2 O7URB563sgh2hZM7hHVCwQ3xXQur0r1o7X06ptmw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728092AbgFSEzQ (ORCPT ); Fri, 19 Jun 2020 00:55:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:58242 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727883AbgFSEzN (ORCPT ); Fri, 19 Jun 2020 00:55:13 -0400 Received: from localhost.localdomain (unknown [171.61.66.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DCC5720FC3; Fri, 19 Jun 2020 04:55:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592542513; bh=dFySWiW+V3w18ShvwVA+ym0QQvWEuHOaM8UF5XXckvE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fEVC6TV4T7BDWfy7okeil9bxWPLXS5IHhkOHEBxqNqlTKLHa5tUGPeP3v+OUFG6pm DyMW1K58r6bv82ZIPSR4DgtEAvy/w2Y6fIy9+PEftVRvB8oU2G+3xU7zuPEdOxgSp8 pbyFTkgom+8SBCPMq06zS6HpH7CUgUsEKbW5dUUo= From: Vinod Koul To: Takashi Iwai , Jaroslav Kysela Cc: Vinod Koul , Pierre-Louis Bossart , Charles Keepax , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Srinivas Kandagatla Subject: [PATCH 3/3] ALSA: compress: fix partial_drain completion state Date: Fri, 19 Jun 2020 10:24:48 +0530 Message-Id: <20200619045449.3966868-4-vkoul@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200619045449.3966868-1-vkoul@kernel.org> References: <20200619045449.3966868-1-vkoul@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On partial_drain completion we should be in SNDRV_PCM_STATE_RUNNING state, so set that for partially draining streams in snd_compr_drain_notify() and use a flag for partially draining streams While at it, add locks for stream state change in snd_compr_drain_notify() as well. Fixes: f44f2a5417b2 ("ALSA: compress: fix drain calls blocking other compress functions (v6)") Reported-by: Srinivas Kandagatla Signed-off-by: Vinod Koul --- include/sound/compress_driver.h | 12 +++++++++++- sound/core/compress_offload.c | 4 ++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h index 3df8d8c90191..93a5897201ea 100644 --- a/include/sound/compress_driver.h +++ b/include/sound/compress_driver.h @@ -66,6 +66,7 @@ struct snd_compr_runtime { * @direction: stream direction, playback/recording * @metadata_set: metadata set flag, true when set * @next_track: has userspace signal next track transition, true when set + * @partial_drain: undergoing partial_drain for stream, true when set * @private_data: pointer to DSP private data * @dma_buffer: allocated buffer if any */ @@ -78,6 +79,7 @@ struct snd_compr_stream { enum snd_compr_direction direction; bool metadata_set; bool next_track; + bool partial_drain; void *private_data; struct snd_dma_buffer dma_buffer; }; @@ -187,7 +189,15 @@ static inline void snd_compr_drain_notify(struct snd_compr_stream *stream) if (snd_BUG_ON(!stream)) return; - stream->runtime->state = SNDRV_PCM_STATE_SETUP; + mutex_lock(&stream->device->lock); + /* for partial_drain case we are back to running state on success */ + if (stream->partial_drain) { + stream->runtime->state = SNDRV_PCM_STATE_RUNNING; + stream->partial_drain = false; /* clear this flag as well */ + } else { + stream->runtime->state = SNDRV_PCM_STATE_SETUP; + } + mutex_unlock(&stream->device->lock); wake_up(&stream->runtime->sleep); } diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index e618580feac4..1c4b2cf450a0 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -803,6 +803,9 @@ static int snd_compr_stop(struct snd_compr_stream *stream) retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_STOP); if (!retval) { + /* clear flags and stop any drain wait */ + stream->partial_drain = false; + stream->metadata_set = false; snd_compr_drain_notify(stream); stream->runtime->total_bytes_available = 0; stream->runtime->total_bytes_transferred = 0; @@ -960,6 +963,7 @@ static int snd_compr_partial_drain(struct snd_compr_stream *stream) if (stream->next_track == false) return -EPERM; + stream->partial_drain = true; retval = stream->ops->trigger(stream, SND_COMPR_TRIGGER_PARTIAL_DRAIN); if (retval) { pr_debug("Partial drain returned failure\n"); -- 2.26.2