From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F0AFA377006 for ; Mon, 20 Apr 2026 03:41:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776656494; cv=none; b=JTSWRsczvUWuxNGp3LnNSVzxetFirFZ17IqCECJ4DFX5HQj/end4Al0k9r6q9rrw9ATdCGaRRCTbZQWSAHNf9LSH7pLgQlm5H0OjCXUH+Aq7Hbarfp4rjC7MURmkHxsCCPxrRDic3u7oWJHYln1LRCcURmJmb2yLohQ7Z1xq7Mg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776656494; c=relaxed/simple; bh=WNE0PRbSleLyAWoO9ucrIEdRjF30dH0GFj45AI+HvSM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=E+Ml7MKAI3UVzR1NdbgX2uIyyi6srdHBi45wASg3U7Lxuz7J/s+PdLq6VENMXefFrjPh+uD3OstKBbZ7dfc6YEsyyBM7Qypl5ZmKVAC3tHi800g8y4QLnLIpM/Lp5O2Es6HgdEjz314GYtgCDjTQYWpmsNWcjvOc47L/Y42lJQo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com; spf=pass smtp.mailfrom=realtek.com; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b=vnhz6vBb; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realtek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realtek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realtek.com header.i=@realtek.com header.b="vnhz6vBb" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 63K3fUozD426718, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1776656490; bh=CR+WqwCh5pBvLjVysAfAEJVYWHrVyAh/3vKWyK0G4FU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type; b=vnhz6vBbMNp5KMRN7Kwe0YeOhTssMkHxsSoZRCFL7NF7froVuZc/zH2CloQQeuPIn jx1GDDSlpSmH9mek5J8vBGu4Amc16LMoWaMFbsSatGicRv8MlBRAXOSiGNgUG1C9B2 rzlN9pML+8o26CROhU89qX78sZLTieMRfFUEgZYOhHXGIrVOblXKclCGuP+Wwrwx/q Zekk/t3YOozklxWisxybz4FJyIMlOwlQxrKdjnmGLtLJ9GbXeJphfdGHRkPlTevL0/ /eXpBxyFGl0Nq/7cX3r+3Fo+JSnoc5mF5yDvvco1Qsbnb/T0fqz1rLuuFUWkkd9pWd XhtPFWR+qyoLg== Received: from mail.realtek.com (rtkexhmbs03.realtek.com.tw[10.21.1.53]) by rtits2.realtek.com.tw (8.15.2/3.26/5.94) with ESMTPS id 63K3fUozD426718 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 20 Apr 2026 11:41:30 +0800 Received: from RTKEXHMBS05.realtek.com.tw (10.21.1.55) by RTKEXHMBS03.realtek.com.tw (10.21.1.53) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Mon, 20 Apr 2026 11:41:31 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) by RTKEXHMBS05.realtek.com.tw (10.21.1.55) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Mon, 20 Apr 2026 11:41:30 +0800 Received: from [127.0.1.1] (172.21.40.75) by RTKEXHMBS06.realtek.com.tw (10.21.1.56) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10 via Frontend Transport; Mon, 20 Apr 2026 11:41:30 +0800 From: Ping-Ke Shih To: CC: , , , , , , , Subject: [PATCH rtw-next 04/16] wifi: rtw89: debug: disable inactive power save to reduce bus overhead Date: Mon, 20 Apr 2026 11:40:39 +0800 Message-ID: <20260420034051.17666-5-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260420034051.17666-1-pkshih@realtek.com> References: <20260420034051.17666-1-pkshih@realtek.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain From: Johnson Tsai This helps avoid excessive bus traffic and I/O overhead on slower HCIs (e.g., USB, SDIO) caused by frequent power state transitions. Add RTW89_DM_INACTIVE_PS to the disabled_dm bitmap via debugfs and check it in the rtw89_enter_ips path. When set, the driver skips entering inactive power save and returns immediately. Signed-off-by: Johnson Tsai Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.h | 1 + drivers/net/wireless/realtek/rtw89/debug.c | 1 + drivers/net/wireless/realtek/rtw89/ps.c | 6 ++++++ 3 files changed, 8 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 4a05a8dbb9ed..4e920472c8aa 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -5179,6 +5179,7 @@ enum rtw89_dm_type { RTW89_DM_TAS, RTW89_DM_MLO, RTW89_DM_HW_SCAN, + RTW89_DM_INACTIVE_PS, }; #define RTW89_THERMAL_PROT_LV_MAX 5 diff --git a/drivers/net/wireless/realtek/rtw89/debug.c b/drivers/net/wireless/realtek/rtw89/debug.c index 02386d1d07c6..ebe3b1f9c39d 100644 --- a/drivers/net/wireless/realtek/rtw89/debug.c +++ b/drivers/net/wireless/realtek/rtw89/debug.c @@ -4348,6 +4348,7 @@ static const struct rtw89_disabled_dm_info { DM_INFO(TAS), DM_INFO(MLO), DM_INFO(HW_SCAN), + DM_INFO(INACTIVE_PS), }; static ssize_t diff --git a/drivers/net/wireless/realtek/rtw89/ps.c b/drivers/net/wireless/realtek/rtw89/ps.c index 125cf14fa581..31bb5dcd284a 100644 --- a/drivers/net/wireless/realtek/rtw89/ps.c +++ b/drivers/net/wireless/realtek/rtw89/ps.c @@ -234,8 +234,14 @@ void rtw89_enter_ips(struct rtw89_dev *rtwdev) { struct rtw89_vif_link *rtwvif_link; struct rtw89_vif *rtwvif; + struct rtw89_hal *hal = &rtwdev->hal; unsigned int link_id; + if (hal->disabled_dm_bitmap & BIT(RTW89_DM_INACTIVE_PS)) { + rtw89_debug(rtwdev, RTW89_DBG_PS, "skip enter IPS due to disabled_dm\n"); + return; + } + set_bit(RTW89_FLAG_INACTIVE_PS, rtwdev->flags); if (!test_bit(RTW89_FLAG_POWERON, rtwdev->flags)) -- 2.25.1