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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 702A4E6F093 for ; Tue, 23 Dec 2025 14:57:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0153510E181; Tue, 23 Dec 2025 14:57:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=realtek.com header.i=@realtek.com header.b="eEa16hv7"; dkim-atps=neutral X-Greylist: delayed 400 seconds by postgrey-1.36 at gabe; Tue, 23 Dec 2025 07:54:43 UTC Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0BFC510E0C9 for ; Tue, 23 Dec 2025 07:54:42 +0000 (UTC) X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 5BN7lvLN3961266, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realtek.com; s=dkim; t=1766476077; bh=xByRV1TY48tGSFoUCJDAh3e/CdOl93sKfyavZMY91wE=; h=From:To:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:Content-Transfer-Encoding:MIME-Version; b=eEa16hv7w4iMTsKRtL7NU1oC6rbtm5oOdjGouu1OSaqP+8ibwoSjgcMNHv9b3uY4e bAfS2IgU/18Tqu/HlqeZVcuazzMZunsv4lnCK1OSPTr4VxnL+/7jZX1iMlq+sgycEI 1IIHu94PjxGKUEOtgyG/w+ettjldltb25u7ZpRIaF0M+NeUPddSq03ANQ+tyUXIlJD UB6ZCuQYbIzJdocgZT2R6whoaA1VuMaLwYMgOoJkeR4HwDUJG7JXPmXdHKM/z2IDfc JRE7ul6rrvEl9yN1TShpiFCtjkueqM9QUE/0kaEb1JNIoS/zkccxSnZVvdehrBlqKu cJolkAqQKcH/Q== Received: from mail.realtek.com (rtkexhmbs04.realtek.com.tw[10.21.1.54]) by rtits2.realtek.com.tw (8.15.2/3.21/5.94) with ESMTPS id 5BN7lvLN3961266 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 Dec 2025 15:47:57 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) 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 15.2.1748.10; Tue, 23 Dec 2025 15:47:57 +0800 Received: from RTKEXHMBS06.realtek.com.tw (10.21.1.56) 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; Tue, 23 Dec 2025 15:47:57 +0800 Received: from RTKEXHMBS06.realtek.com.tw ([fe80::4cbd:6c6c:b92b:3913]) by RTKEXHMBS06.realtek.com.tw ([fe80::4cbd:6c6c:b92b:3913%10]) with mapi id 15.02.1748.010; Tue, 23 Dec 2025 15:47:57 +0800 From: Ping-Ke Shih To: Chris Russomanno , "intel-xe@lists.freedesktop.org" , "linux-wireless@vger.kernel.org" Subject: RE: [BUG] Intel B580 (e20b) HDMI Flicker & Realtek RTL8922AE 6GHz missing - Mint 22.3 Thread-Topic: [BUG] Intel B580 (e20b) HDMI Flicker & Realtek RTL8922AE 6GHz missing - Mint 22.3 Thread-Index: AQHccYNzkqomb5qXxkujgzhV+EMuFbUu29YA Date: Tue, 23 Dec 2025 07:47:57 +0000 Message-ID: <3dcf5e11aa284daa9d3733141ccdc17f@realtek.com> References: In-Reply-To: Accept-Language: en-US, zh-TW Content-Language: zh-TW x-originating-ip: [172.21.6.42] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 23 Dec 2025 14:57:33 +0000 X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Chris Russomanno wrote: > Hello, >=20 > I am reporting two issues encountered on brand-new hardware using Linux M= int 22.3 with Kernel 6.14.0-generic. >=20 > Hardware Environment: > - GPU: Intel Arc B580 (Battlemage), PCI ID: [8086:e20b] > - WiFi: Realtek RTL8922AE (rtw89), Firmware: rtw8922a_fw-3.bin > - Display: Samsung 4K Monitor connected via HDMI (No DisplayPort availabl= e) >=20 > Issue 1: Intel Xe HDMI Flickering > The Samsung monitor experiences intermittent black-screen flickering (1-2= seconds) at both 4K and 1080p > resolutions. This behavior is not present on Windows 11. > Troubleshooting attempted: > - Added kernel parameters: quiet splash i915.enable_psr=3D0 xe.force_prob= e=3De20b i915.enable_dc=3D0 > intel_iommu=3Digfx_off intel_idle.max_cstate=3D2 > - Forced "TearFree" and "TripleBuffer" in xorg.conf. > - Frequency remains at 60Hz. >=20 > Issue 2: Realtek RTL8922AE 6GHz/WiFi 7 Missing > The card functions on 5GHz (1200 Mb/s) but does not scan or see 6GHz freq= uencies. > Troubleshooting attempted: > - Set regdom to US (iw reg set US). > - Driver options: rtw89_pci disable_aspm=3Dy, rtw89_core disable_6g=3DN. > - 'iw list' does not return any 6GHz/6105 MHz frequencies. Please share output of 'iw list' before/after setting US.=20 In my side (expected) frequencies of band 4 are: [Before] Frequencies: * 5955.0 MHz [1] (disabled) * 5975.0 MHz [5] (disabled) * 5995.0 MHz [9] (disabled) * 6015.0 MHz [13] (disabled) * 6035.0 MHz [17] (disabled) * 6055.0 MHz [21] (disabled) [After] Frequencies: * 5955.0 MHz [1] (12.0 dBm) (no IR) * 5975.0 MHz [5] (12.0 dBm) (no IR) * 5995.0 MHz [9] (12.0 dBm) (no IR) * 6015.0 MHz [13] (12.0 dBm) (no IR) * 6035.0 MHz [17] (12.0 dBm) (no IR)