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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1721C4332F for ; Wed, 2 Nov 2022 02:46:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230396AbiKBCqu (ORCPT ); Tue, 1 Nov 2022 22:46:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230398AbiKBCqs (ORCPT ); Tue, 1 Nov 2022 22:46:48 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED8BD21268 for ; Tue, 1 Nov 2022 19:46:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id A878DB81FF9 for ; Wed, 2 Nov 2022 02:46:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8BC48C433D6; Wed, 2 Nov 2022 02:46:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1667357205; bh=SyE6fIy7aCerQfNQdRBRdYruB0g1oabtivglLKKX90E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bvvh5YWEDui66evCONS6PDLh7uWpYhrfMrGwlcbMY2Tq3h1SpkCUejH7S0bxeXN86 0lD02Mimbp+hjIXyGt8L6XvuVEf26v94Hx3219rqPQ4ATFOui8KhB0U0//nH1XncHa JEOlhtM+VbQUpA0BEwNepriC7R3++BLA5MDjBRU0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Srinivasa Rao Mandadapu , Kuogee Hsieh , Mark Brown , Sasha Levin Subject: [PATCH 6.0 131/240] ASoC: qcom: lpass-cpu: mark HDMI TX registers as volatile Date: Wed, 2 Nov 2022 03:31:46 +0100 Message-Id: <20221102022114.343835409@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221102022111.398283374@linuxfoundation.org> References: <20221102022111.398283374@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Srinivasa Rao Mandadapu [ Upstream commit c9a3545b1d771fb7b06a487796c40288c02c41c5 ] Update HDMI volatile registers list as DMA, Channel Selection registers, vbit control registers are being reflected by hardware DP port disconnection. This update is required to fix no display and no sound issue observed after reconnecting TAMA/SANWA DP cables. Once DP cable is unplugged, DMA control registers are being reset by hardware, however at second plugin, new dma control values does not updated to the dma hardware registers since new register value and cached values at the time of first plugin are same. Fixes: 7cb37b7bd0d3 ("ASoC: qcom: Add support for lpass hdmi driver") Signed-off-by: Srinivasa Rao Mandadapu Reported-by: Kuogee Hsieh Link: https://lore.kernel.org/r/1665637711-13300-1-git-send-email-quic_srivasam@quicinc.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/qcom/lpass-cpu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 8a56f38dc7e8..99a3b4428591 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -782,10 +782,18 @@ static bool lpass_hdmi_regmap_volatile(struct device *dev, unsigned int reg) return true; if (reg == LPASS_HDMI_TX_LEGACY_ADDR(v)) return true; + if (reg == LPASS_HDMI_TX_VBIT_CTL_ADDR(v)) + return true; for (i = 0; i < v->hdmi_rdma_channels; ++i) { if (reg == LPAIF_HDMI_RDMACURR_REG(v, i)) return true; + if (reg == LPASS_HDMI_TX_DMA_ADDR(v, i)) + return true; + if (reg == LPASS_HDMI_TX_CH_LSB_ADDR(v, i)) + return true; + if (reg == LPASS_HDMI_TX_CH_MSB_ADDR(v, i)) + return true; } return false; } -- 2.35.1