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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 51A17C388F7 for ; Tue, 10 Nov 2020 12:45:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D398020797 for ; Tue, 10 Nov 2020 12:45:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="RSE5xZWm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726900AbgKJMpE (ORCPT ); Tue, 10 Nov 2020 07:45:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:38274 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726462AbgKJMpE (ORCPT ); Tue, 10 Nov 2020 07:45:04 -0500 Received: from localhost (unknown [122.179.121.10]) (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 2352120781; Tue, 10 Nov 2020 12:45:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605012304; bh=6clsNc7To2+8MGKmzfoTX+VHpQ16flF8HOSXruyAiJU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RSE5xZWmbqmEPdbCulM/SBS59fmwaY06BEO69+J4ZTWBb1i+crYPPuGF7UG1e7/gu Myd0yUubkKpfH49Q+1vZ8Wf8QA6ct0JGZIA3NpOFS8+nxGlOag/lrCCu/YsoKxchkj mYzUhqHlek1Qk8QvqHgJde6jOfGVxRA9XkWLCy9U= Date: Tue, 10 Nov 2020 18:14:59 +0530 From: Vinod Koul To: Tony Lindgren Cc: linux-omap@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Peter Ujfalusi Subject: Re: [PATCH] dmaengine: ti: omap-dma: Block PM if SDMA is busy to fix audio Message-ID: <20201110124459.GA161013@vkoul-mobl> References: <20201109154013.11950-1-tony@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201109154013.11950-1-tony@atomide.com> Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 09-11-20, 17:40, Tony Lindgren wrote: > We now use cpu_pm for saving and restoring device context for deeper SoC > idle states. But for omap3, we must also block idle if SDMA is busy. > > If we don't block idle when SDMA is busy, we eventually end up saving and > restoring SDMA register state on PER domain idle while SDMA is active and > that causes at least audio playback to fail. Grabbed the patch with b4 and looks good, so applied now -- ~Vinod