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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 2F13BC282CE for ; Mon, 22 Apr 2019 20:11:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F1994218FF for ; Mon, 22 Apr 2019 20:11:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555963918; bh=3B26sD+QFG5QwhJ3zwDVK4/nF9MxTgWcBoqtt7tkmOY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=1QTRvmAX2tePTvCfOSMfGHYeDX7deUNmWU1ukAr+Du7pSDWG+zoOx5lKZF7ccTaPV R+VgLXNQBK1u6on6kCNEgUlTfaWKImozbDHHqc155ExGQsOJAYl3pA8Oy9N+Kmq6Ey dOICZjuqM+OsewogxhXrzh1cGZH7QBCMDusHYcg0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732654AbfDVUL4 (ORCPT ); Mon, 22 Apr 2019 16:11:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:42538 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728527AbfDVTmM (ORCPT ); Mon, 22 Apr 2019 15:42:12 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F0F152175B; Mon, 22 Apr 2019 19:42:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555962131; bh=3B26sD+QFG5QwhJ3zwDVK4/nF9MxTgWcBoqtt7tkmOY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cyoDCjaQPz5w0sJHvpOOZxQFyaxlRpajLtzn9891vaf9mwpS/SBaYe7P7KA0qm4Ll JSKriIwh9w+HG6ycRxcoFKjiS27VU5wjwxbc5RdiDUXEkO5YRD/t/N46ObLsAKjnGq EjN46uVu1hCw2jmtKHCvPxNPF52exSnAi5Kdis4c= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Felix Fietkau , Sasha Levin Subject: [PATCH AUTOSEL 5.0 06/98] mt76: mt76x2: fix 2.4 GHz channel gain settings Date: Mon, 22 Apr 2019 15:40:33 -0400 Message-Id: <20190422194205.10404-6-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190422194205.10404-1-sashal@kernel.org> References: <20190422194205.10404-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Felix Fietkau [ Upstream commit b8cfd87ac24273e36fbd3ecda631f3ba6566d493 ] AGC register 35, 37 override for the low gain setting should only be done on 5 GHz. Also, 2.4 GHz needs a different value for register 35 Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin (Microsoft) --- .../net/wireless/mediatek/mt76/mt76x2/phy.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c index 11167b7af668..2f618536ef2a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c @@ -285,6 +285,7 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) { u8 *gain = dev->cal.agc_gain_init; u8 low_gain_delta, gain_delta; + u32 agc_35, agc_37; bool gain_change; int low_gain; u32 val; @@ -321,6 +322,16 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) else low_gain_delta = 14; + agc_37 = 0x2121262c; + if (dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ) + agc_35 = 0x11111516; + else if (low_gain == 2) + agc_35 = agc_37 = 0x08080808; + else if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_80) + agc_35 = 0x10101014; + else + agc_35 = 0x11111116; + if (low_gain == 2) { mt76_wr(dev, MT_BBP(RXO, 18), 0xf000a990); mt76_wr(dev, MT_BBP(AGC, 35), 0x08080808); @@ -329,15 +340,13 @@ void mt76x2_phy_update_channel_gain(struct mt76x02_dev *dev) dev->cal.agc_gain_adjust = 0; } else { mt76_wr(dev, MT_BBP(RXO, 18), 0xf000a991); - if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_80) - mt76_wr(dev, MT_BBP(AGC, 35), 0x10101014); - else - mt76_wr(dev, MT_BBP(AGC, 35), 0x11111116); - mt76_wr(dev, MT_BBP(AGC, 37), 0x2121262C); gain_delta = 0; dev->cal.agc_gain_adjust = low_gain_delta; } + mt76_wr(dev, MT_BBP(AGC, 35), agc_35); + mt76_wr(dev, MT_BBP(AGC, 37), agc_37); + dev->cal.agc_gain_cur[0] = gain[0] - gain_delta; dev->cal.agc_gain_cur[1] = gain[1] - gain_delta; mt76x2_phy_set_gain_val(dev); -- 2.19.1