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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,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 D743EC31E40 for ; Mon, 12 Aug 2019 12:07:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A792F214C6 for ; Mon, 12 Aug 2019 12:07:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="K/YNY2iT"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="daHHObEV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A792F214C6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8vY33ADAkjl/7g5wru6xxXnc88v8Mcr7v81zC4/R8ak=; b=K/YNY2iTVAexN5 ghxwigikiH5+trYdgHhyYT0xVxNh0M9KMbIt/GJoMpb1iaaaDn+H8epBlyPlFHFgo7m5K49RnMGq5 CWydLscS9b1epv4OQceW5vzuhi1SJMX/MRkh1KFZOy5ucrD5ud22iy3IAPTdMDHP8Go+acz+/aTVu TJlvXe0IcrUrI8xGo5y/bM9zNrJkXFkIm4kBvbKZj5C+CMa7HGnBuzXCsR3L5Fbp6HsWxiwv01h+0 1NuMasPcU4CiKhQtEMBeI01jMZiBH0WPM9i99Z5qenVSEoo6IBvZbqef84hD8MKSK1l2VGjg8PJR6 nHjfkyUaHiHtp6b35VHg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hx97C-0006uv-MM; Mon, 12 Aug 2019 12:07:54 +0000 Received: from mail-wm1-x344.google.com ([2a00:1450:4864:20::344]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hx96v-0006dB-JW for linux-amlogic@lists.infradead.org; Mon, 12 Aug 2019 12:07:39 +0000 Received: by mail-wm1-x344.google.com with SMTP id l2so11550372wmg.0 for ; Mon, 12 Aug 2019 05:07:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=nyk3iRwUiWOF3HR8AgEI8oTD0AAO9L4Qd9ulSVgUQuc=; b=daHHObEVwiPB5m8eB3TinS4M9hhoYOX7OGD3cCnIcEdu8mEBbC2sxvbHgwNQgNQaGl e+ADZVLpFJLcl5mKHLragQdiafg85cuqpCUuGO05kZO+gqWvdMosoWdf76Lir6wDtR+G wnM/evLYE5mIEGNMDuMjreFZbxAt2EM/BzD4bWna14viPvYztIKdPE8Jjk2RtbvecAiH +vTiUF5wWddKT/m+Wal8DQpROpSVRSZ7RWDQLYKJ0cneQ7GBQEZGV/d/J3AAidyIBRzk kxtw4nWL8qMqRra9ftu6k3t/ezDcKlv0PBbJUX4418BaYieMPY6X3fasAC7Y3ddZnMCg N1ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=nyk3iRwUiWOF3HR8AgEI8oTD0AAO9L4Qd9ulSVgUQuc=; b=hDmktURmG/ypVNMBoANQy4N/PUUrzRm/K8eSEJAVjzMvQd4QIxKq6dvdjKerSv2x0s MlGRDz2h9DF0+8UT+3lgk3nYtdSGZaZIJiDkEmaSDKJFUN8RkushkF5kczk9Yq6uJ7z+ 0LSm+EkoJF1TNKlc/YlZ5pWttQ2LXZzgsKD+uogTFabJzdPa2cG+luhBhpDCWekcIZoc HyD9wNZti3WLuecC6WzqfQl6UtEuHNjfEO6E6dXZgZd1rOVGA3SIsK2S3pfsGuUKbr0+ ss4qazuGmU4i7b96DMBUmj7aIWH8Kydwe7TQax+IMLo+mkA6J5D7dlRXEDx41TCn7paw 4R1g== X-Gm-Message-State: APjAAAUNSGkN/0tFuNfx5pzfH9Q4U43lM51GXImYxYctaoxy0XQnhF/F Bkq9/Gi2oHQ+2lhstMXFsXNysw== X-Google-Smtp-Source: APXvYqwZVxC6uqEmw1OcoTKuej0fydwIHFvl7lI/fxWxv8zWW97aQe6c/fxAXhNOvT0IR2pM7GDSRA== X-Received: by 2002:a1c:6641:: with SMTP id a62mr26440820wmc.175.1565611656356; Mon, 12 Aug 2019 05:07:36 -0700 (PDT) Received: from starbuck.baylibre.local (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.googlemail.com with ESMTPSA id j9sm1883415wrx.66.2019.08.12.05.07.35 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 12 Aug 2019 05:07:35 -0700 (PDT) From: Jerome Brunet To: Andrzej Hajda , Neil Armstrong Subject: [PATCH v2 7/8] drm/bridge: dw-hdmi-i2s: enable only the required i2s lanes Date: Mon, 12 Aug 2019 14:07:25 +0200 Message-Id: <20190812120726.1528-8-jbrunet@baylibre.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190812120726.1528-1-jbrunet@baylibre.com> References: <20190812120726.1528-1-jbrunet@baylibre.com> MIME-Version: 1.0 X-Patchwork-Bot: notify X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190812_050737_862417_D3385464 X-CRM114-Status: GOOD ( 10.55 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jonas Karlman , Kevin Hilman , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, Jerome Brunet Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Enable the i2s lanes depending on the number of channel in the stream Reviewed-by: Jonas Karlman Signed-off-by: Jerome Brunet --- .../gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c | 15 ++++++++++++++- drivers/gpu/drm/bridge/synopsys/dw-hdmi.h | 6 +++++- 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c index 41bee0099578..b8ece9c1ba2c 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c @@ -54,7 +54,20 @@ static int dw_hdmi_i2s_hw_params(struct device *dev, void *data, hdmi_write(audio, (u8)~HDMI_MC_SWRSTZ_I2SSWRST_REQ, HDMI_MC_SWRSTZ); inputclkfs = HDMI_AUD_INPUTCLKFS_64FS; - conf0 = HDMI_AUD_CONF0_I2S_ALL_ENABLE; + conf0 = (HDMI_AUD_CONF0_I2S_SELECT | HDMI_AUD_CONF0_I2S_EN0); + + /* Enable the required i2s lanes */ + switch (hparms->channels) { + case 7 ... 8: + conf0 |= HDMI_AUD_CONF0_I2S_EN3; + /* Fall-thru */ + case 5 ... 6: + conf0 |= HDMI_AUD_CONF0_I2S_EN2; + /* Fall-thru */ + case 3 ... 4: + conf0 |= HDMI_AUD_CONF0_I2S_EN1; + /* Fall-thru */ + } switch (hparms->sample_width) { case 16: diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h index a272fa393ae6..6988f12d89d9 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.h @@ -865,7 +865,11 @@ enum { /* AUD_CONF0 field values */ HDMI_AUD_CONF0_SW_RESET = 0x80, - HDMI_AUD_CONF0_I2S_ALL_ENABLE = 0x2F, + HDMI_AUD_CONF0_I2S_SELECT = 0x20, + HDMI_AUD_CONF0_I2S_EN3 = 0x08, + HDMI_AUD_CONF0_I2S_EN2 = 0x04, + HDMI_AUD_CONF0_I2S_EN1 = 0x02, + HDMI_AUD_CONF0_I2S_EN0 = 0x01, /* AUD_CONF1 field values */ HDMI_AUD_CONF1_MODE_I2S = 0x00, -- 2.21.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic