From nobody Sun Feb 8 11:06:52 2026 Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 326BA2EF65C; Sat, 20 Dec 2025 17:05:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766250345; cv=none; b=iJfrLNHIriqk/ngOJxaianu9clVsxfgTesuEh1nuKTdtXeI/EMgDBxyfWvuaUPpln3M6W3BsPH3j0mS2yeO+dZU0UIuUQExMuQVZRSliar/r6W0oLipHAhjZUUq0isWJb31gAudAvCzgyLoQm5MfJyZ59o1OQ+SfvdE/pdZAJ/w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766250345; c=relaxed/simple; bh=M2zY+ORks0cZb9fQOPCAtCkb/gOnoNoTpekU/t+OfFI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=E9VGaAVN5K1Atwe8K3JJrMltT26E2PsTZRccOxX/PukqSMHz7XufMAeMcXdAB9S7W6qLRiJk0bRbyFieVZjWOt8E9m1gXgnNiKO5S1fHgfaFr6x67hGMGyPzN2R4JWdv2CEJiN94Yc0zUckrRGNssAko+OWVf3HdBydugzBhNLY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost.localdomain (unknown [223.166.92.103]) by APP-05 (Coremail) with SMTP id zQCowADneQ1E10ZpEbtTAQ--.25750S2; Sun, 21 Dec 2025 01:05:19 +0800 (CST) From: Han Gao To: Jaroslav Kysela , Takashi Iwai , Kai Vehmanen , Peter Ujfalusi , Ranjani Sridharan , Bard Liao , Maxim Mikityanskiy , Pierre-Louis Bossart , Stuart Hayhurst , linux-sound@vger.kernel.org Cc: Han Gao , linux-riscv@lists.infradead.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, Han Gao Subject: [PATCH] ALSA: hda: intel: Introduce msi64 parameter to override 64-bit MSI restriction Date: Sun, 21 Dec 2025 01:05:01 +0800 Message-ID: <20251220170501.3972438-1-gaohan@iscas.ac.cn> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: zQCowADneQ1E10ZpEbtTAQ--.25750S2 X-Coremail-Antispam: 1UD129KBjvJXoW7uw4rAw18uw4DAF1UXr1kKrg_yoW8WFW3pa 1UCFW7tFsIqFZxGa1UKF48WFnaga93C343Ga95K34fX3Za9340q3W7KryfJFyxGFW8GryY 9F1UZFy8Ww43Aa7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9014x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26r4j6ryUM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4j 6F4UM28EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r 4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628v n2kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7x kEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E 67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCw CI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1x MIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIda VFxhVjvjDU0xZFpf9x0JUd-B_UUUUU= X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiBwoCDGlGu0YipgAAsV Content-Type: text/plain; charset="utf-8" Sophgo SG2042 MSI driver does not support 32-bit MSI. Introduce an 'msi64' kernel parameter to bypass NO_MSI64 for ATI/HDMI. Signed-off-by: Han Gao --- sound/hda/controllers/intel.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/hda/controllers/intel.c b/sound/hda/controllers/intel.c index 1e8e3d61291a..b4bad9e65235 100644 --- a/sound/hda/controllers/intel.c +++ b/sound/hda/controllers/intel.c @@ -121,6 +121,7 @@ static bool beep_mode[SNDRV_CARDS] =3D {[0 ... (SNDRV_C= ARDS-1)] =3D #endif static bool dmic_detect =3D 1; static bool ctl_dev_id =3D IS_ENABLED(CONFIG_SND_HDA_CTL_DEV_ID) ? 1 : 0; +static bool msi64; =20 module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for Intel HD audio interface."); @@ -161,6 +162,8 @@ MODULE_PARM_DESC(dmic_detect, "Allow DSP driver selecti= on (bypass this driver) " "deprecated, use snd-intel-dspcfg.dsp_driver option instead"); module_param(ctl_dev_id, bool, 0444); MODULE_PARM_DESC(ctl_dev_id, "Use control device identifier (based on code= c address)."); +module_param(msi64, bool, 0444); +MODULE_PARM_DESC(msi64, "Force use msi 64bit."); =20 #ifdef CONFIG_PM static int param_set_xint(const char *val, const struct kernel_param *kp); @@ -1903,7 +1906,7 @@ static int azx_first_init(struct azx *chip) chip->gts_present =3D true; #endif =20 - if (chip->msi && chip->driver_caps & AZX_DCAPS_NO_MSI64) { + if (chip->msi && chip->driver_caps & AZX_DCAPS_NO_MSI64 && !msi64) { dev_dbg(card->dev, "Disabling 64bit MSI\n"); pci->no_64bit_msi =3D true; } --=20 2.47.3