From patchwork Thu May 15 03:29:48 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 890601 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B2CE826ACC for ; Thu, 15 May 2025 03:39:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747280384; cv=none; b=EtpBWuvEfm5yxeDROPhC9xzKFXTaCa9tt//2kNSIfiacF/qpa7t+5k96SQFlOE4LbdWowuYH7gJsI5UOFij0DayREk2zd5l1IuPD/WuAFWp+2dQphiM4p4V5mX6lf757xqqtLFhElOXyWjj/rh5IcT3fkYIN+bZF5pnhKq7CA1g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747280384; c=relaxed/simple; bh=pEFTXP6InYRygXeqlAt39QVjLkRTxEZvU9Ehoj7t63Q=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=sCndmu3W4foFjUsA4zh6Fkqg66N3vmFsP81r3TvPAacrqcRpv9LTL3xXQz52MdaEneqi+ZhaBsHCWilqxJB78F1l6iMdbiwPCViOWfj2OgXkA9N2+SMcHZQfA+NfOmfK87EmEz/hsTzIoWZ5rcwja9mNboNXMY9W/n6fHQcuyJU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=oQ6Uh/+J; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="oQ6Uh/+J" X-UUID: 38e4e712313e11f0813e4fe1310efc19-20250515 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=7E0yGV9fq1bLHyrmBJkJI+P3GpWKwf3pIXly3srXsq4=; b=oQ6Uh/+Jk1QqxjmWM62Cnh38ztMijfFQyBtRc9f/bH/3pBTvCvVAQjcloc8KvOL5JMWOm2kTMinoRxuHgmqFIp7tjtKZVpUsZECX5VchoF3w/gDzSaczDxIjDELbA1yVlv+KP8fEZep1fVH6/fLIaEtiiB0DDBzd60HR11haq14=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.2.1, REQID:d964e6eb-d7a7-4682-9dab-050b4707ac94, IP:0, UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:0 X-CID-META: VersionHash:0ef645f, CLOUDID:cb0d01c0-eade-4d5b-9f81-31d7b5452436, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102,TC:nil,Content:0|50,EDM:-3 ,IP:nil,URL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV :0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 38e4e712313e11f0813e4fe1310efc19-20250515 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 983383167; Thu, 15 May 2025 11:39:36 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.39; Thu, 15 May 2025 11:32:39 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1258.39 via Frontend Transport; Thu, 15 May 2025 11:32:39 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , Evelyn Tsai , linux-mediatek , Peter Chiu , Shayne Chen Subject: [PATCH mt76-next 5/9] wifi: mt76: mt7996: fix invalid NSS setting when TX path differs from NSS Date: Thu, 15 May 2025 11:29:48 +0800 Message-ID: <20250515032952.1653494-5-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250515032952.1653494-1-shayne.chen@mediatek.com> References: <20250515032952.1653494-1-shayne.chen@mediatek.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N From: Peter Chiu The maximum TX path and NSS may differ on a band. For example, one variant of the MT7992 has 5 TX paths and 4 NSS on the 5 GHz band. To address this, add orig_antenna_mask to record the maximum NSS and prevent setting an invalid NSS in mt7996_set_antenna(). Fixes: 69d54ce7491d ("wifi: mt76: mt7996: switch to single multi-radio wiphy") Signed-off-by: Peter Chiu Signed-off-by: Shayne Chen --- drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c | 1 + drivers/net/wireless/mediatek/mt76/mt7996/main.c | 3 ++- drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h | 1 + 3 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c index 7bfd19ed9594..87c6192b6384 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c @@ -310,6 +310,7 @@ int mt7996_eeprom_parse_hw_cap(struct mt7996_dev *dev, struct mt7996_phy *phy) phy->has_aux_rx = true; mphy->antenna_mask = BIT(nss) - 1; + phy->orig_antenna_mask = mphy->antenna_mask; mphy->chainmask = (BIT(path) - 1) << dev->chainshift[band_idx]; phy->orig_chainmask = mphy->chainmask; dev->chainmask |= mphy->chainmask; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c index 91c64e3a0860..85c5d76c0c2c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c @@ -1518,7 +1518,8 @@ mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) u8 shift = dev->chainshift[band_idx]; phy->mt76->chainmask = tx_ant & phy->orig_chainmask; - phy->mt76->antenna_mask = phy->mt76->chainmask >> shift; + phy->mt76->antenna_mask = (phy->mt76->chainmask >> shift) & + phy->orig_antenna_mask; mt76_set_stream_caps(phy->mt76, true); mt7996_set_stream_vht_txbf_caps(phy); diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h index 7c334e319547..c75189a02316 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h @@ -312,6 +312,7 @@ struct mt7996_phy { struct mt76_channel_state state_ts; u16 orig_chainmask; + u16 orig_antenna_mask; bool has_aux_rx; bool counter_reset;