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 D95141A6836 for ; Wed, 26 Aug 2026 06:41:17 +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=1787726479; cv=none; b=EJLEhVB3Y6I+70DTMLyAFdCEyYcQce0/5TD3TSQFzHAXptgK3qZrB+cJorWG+Y9nwK7zHMMI174PXmKfdhFE2Q6zxil4Jj8Zw/rI7o0UePBLK8ywOiODWz3/pj+SkpgUmheuZBV4RJDbWdc6VE+Mu0Bdv89QgxWCs0EZbgfYlKs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787726479; c=relaxed/simple; bh=o2bAPXxC9daYvsUgKhEv3SPnbA561H/9bV30gnD3cfE=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=P9UbBQHYtA/w7llxtFw5kDSdw+T6KEiHi1+Tr8OCrR+xigszywypGuMDOrAN2SSbTPCXNmLxi/9aNx9007fWFcXcxEX8yrQLrfIT+NeSqPm4aiNm66sXLDSnRymfCUlkVzRbSLYnzrKEEfVT+5m1onKVNv8yOu7+JSiem9NWlUI= 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=CCHxNN8L; 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="CCHxNN8L" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 67Q6fFEx9352984, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1787726475; bh=5VHYnEASX5tQrSRpCXqgo8GStI+2pTHs00GGfJrt1OQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type; b=CCHxNN8LkRIxvMKcAQFATxCDcqrz/TaMxhZZq6RruEEGqUbtAzsvJqju6crpyIpOa rTi6sMivx6W/GAfZCiP4r6Xyi68Ug8i6g/Z0w0FJ2HyMapHdRoupp/esTFOZgKoJVp WW1baHIfVqoPJS8rDwQZp6Dc+U3tr+LMY2Eign8vWwKj8LMTDKl827XUBDbiVXNVdM zQmsVERpONqdgB/Cmdkd5WdbnXUewXnzdgS1MU+SuA+VCEI9vn+rsWljHbYfUsIjMF XrabAaYf8G4MyoE1QzbJp/shERmy4THlfcZH30qKy/tpmRviQfq9i+oqj28/2rpqn8 A+NhOrajCB6Gg== Received: from mail.realtek.com (rtkexhmbs03.realtek.com.tw[10.21.1.53]) by rtits2.realtek.com.tw (8.15.2/3.29/5.94) with ESMTPS id 67Q6fFEx9352984 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 26 Aug 2026 14:41:15 +0800 Received: from RTKEXHMBS04.realtek.com.tw (10.21.1.54) 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 15.2.2562.43; Wed, 26 Aug 2026 14:41:15 +0800 Received: from [127.0.1.1] (172.21.40.75) by RTKEXHMBS04.realtek.com.tw (10.21.1.54) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.43 via Frontend Transport; Wed, 26 Aug 2026 14:41:15 +0800 From: Ping-Ke Shih To: CC: , , , , Subject: [PATCH rtw-next 01/14] wifi: rtw89: 8922de: add low latency quirk for Valve device Date: Wed, 26 Aug 2026 14:40:48 +0800 Message-ID: <20260826064101.58892-2-pkshih@realtek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260826064101.58892-1-pkshih@realtek.com> References: <20260826064101.58892-1-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: Hsiao-Yung Chen Add RTW89_QUIRK_LOW_LATENCY to the rtw89_quirks enum for latency-sensitive platforms. When set, the RA report handler skips computing max_agg_wait and leaves it at its default of zero, which makes rtw89_core_txq_agg_wait() bail out early, so frames are dispatched immediately instead of being held to build an aggregate, trading throughput for lower latency. Apply the quirk for the Valve device (SSID 0x1e44:0x1400) on the 8922DE, and add RTW89_CUSTID_VALVE for that customer ID. Signed-off-by: Hsiao-Yung Chen Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtw89/core.h | 2 ++ drivers/net/wireless/realtek/rtw89/phy.c | 3 ++- drivers/net/wireless/realtek/rtw89/rtw8922de.c | 8 +++++++- 3 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 2b21d969ece7..b1a0103aaf0c 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -6465,6 +6465,7 @@ enum rtw89_quirks { RTW89_QUIRK_THERMAL_PROT_110C, RTW89_QUIRK_HW_INFO_SYSFS, RTW89_QUIRK_DISABLE_2GHZ, + RTW89_QUIRK_LOW_LATENCY, NUM_OF_RTW89_QUIRKS, }; @@ -6479,6 +6480,7 @@ enum rtw89_custid { RTW89_CUSTID_AMD = 6, RTW89_CUSTID_FUJITSU = 7, RTW89_CUSTID_DELL = 8, + RTW89_CUSTID_VALVE, /* driver only */ }; enum rtw89_pkt_drop_sel { diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index c78107e92206..ebf6ecf08c35 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -3345,7 +3345,8 @@ static void __rtw89_phy_c2h_ra_rpt_iter(struct rtw89_sta_link *rtwsta_link, *changed = true; } - rtwsta_link->max_agg_wait = link_sta->agg.max_rc_amsdu_len / 1500 - 1; + if (!test_bit(RTW89_QUIRK_LOW_LATENCY, rtwdev->quirks)) + rtwsta_link->max_agg_wait = link_sta->agg.max_rc_amsdu_len / 1500 - 1; } static void rtw89_phy_c2h_ra_rpt_iter(void *data, struct ieee80211_sta *sta) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922de.c b/drivers/net/wireless/realtek/rtw89/rtw8922de.c index a71e41f28544..d0dede477fb4 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8922de.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8922de.c @@ -9,6 +9,12 @@ #include "reg.h" #include "rtw8922d.h" +static const struct rtw89_pci_ssid_quirk rtw8922de_pci_ssid_quirks[] = { + {RTW89_PCI_SSID(PCI_VENDOR_ID_REALTEK, 0x892D, 0x1E44, 0x1400, VALVE), + .bitmap = BIT(RTW89_QUIRK_LOW_LATENCY)}, + {}, +}; + static const struct rtw89_pci_info rtw8922d_pci_info = { .gen_def = &rtw89_pci_gen_be, .isr_def = &rtw89_pci_isr_be_v1, @@ -66,7 +72,7 @@ static const struct rtw89_pci_info rtw8922d_pci_info = { .disable_intr = rtw89_pci_disable_intr_v3, .recognize_intrs = rtw89_pci_recognize_intrs_v3, - .ssid_quirks = NULL, + .ssid_quirks = rtw8922de_pci_ssid_quirks, }; static const struct rtw89_driver_info rtw89_8922de_vs_info = { -- 2.25.1