From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=195.135.223.130 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792762447; b=AuOKFbLicQFDequVyoK+Vn0/j0bXPYTe0zxmQrBiUD+8sgw4F0vWHdAW0HB/Ji3/wMhr IVl5iN57+jDbHi+Z0Hlib7mcM94DbUZTC6K0o6n1faN6aUh6ChRho//qgXvOfepbCWXQi Z6B5xcmRjq2rWEo8bZIeSKUXInk39pqYKW+buNaSVnRNGoykfcbUfVzvF+nYFXA4MfbUf GJ8JkFvUi+nLZBLlx3stdqpkbh7Q6p0kVPvI6Obm5kn0y84T8OgUviIPIXpCSB6+wAS5r XpKaaMQNwcA7qUgYQDffTcdbqjSy680QJfh6cXgPQdqw4QAsnGxfB25GP7RghgwyHYA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792762447; h=DMARC-Filter:Received:DKIM-Signature:DKIM-Signature:DKIM-Signature: DKIM-Signature:Received:Received:Date:Message-ID:From:To:Cc:Subject: In-Reply-To:References:User-Agent:MIME-Version:Content-Type: X-Spamd-Result:X-Spam-Score:X-Spam-Level:X-Spam-Flag; bh=4DUQZ8KTzA58M2ePEzmfN785cYb/uj5h5rNraNyYL8g=; b=jPEjaY2ocUhzC4d+CM30dBfYIz+roLiROY/wAybl9A8B1GLofIFgdOOVLFkuIQ/Liqu0 oJ1VKT1bkws2P+sENanezIHmr+nlVYtI6HyXbwbaUrHndJ5dSup8pDLsC8M5lQ5SML7CP yMh9zCZB2yAmq16Dn1sb8c/hj3B/ILUklZpfjvhZTq/xJq2ZpykoOlpeaC2Yq3aMZIshz lo+L0su2EObDhE/Uc55iEWzP2Zcz0k5Fkh/S9eKyOf29e3+vs+70re6OzLcecd939qzPp 4EH/4JTXAgE2ykTaXDeGzEmm+E5mXfldjuDMbM/QINJoGZg/2QaVuiwGt0DFp7qdcIg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=suse.de; spf=pass smtp.mailfrom=suse.de; dkim=pass header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b="RW/Rqe9e"; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=+KaHnapv; dkim=pass header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b="RW/Rqe9e"; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=+KaHnapv; arc=none smtp.remote-ip=195.135.223.130 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA396606A325 for ; Fri, 23 Oct 2026 13:34:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org BA396606A325 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=RW/Rqe9e; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=+KaHnapv; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=RW/Rqe9e; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=+KaHnapv Received: from imap1.dmz-prg2.suse.org (unknown [10.150.64.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 191C6220E6; Fri, 23 Oct 2026 13:34:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1792762445; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4DUQZ8KTzA58M2ePEzmfN785cYb/uj5h5rNraNyYL8g=; b=RW/Rqe9eXh0xbI23smWE9SdpdoqRn7ZLNO8SsPR1Sy2jqqZQ+39yDCL0vd4EhfQ6nHf4H+ g7rhMHRjaFhck96t7RIxHfwwzzlNb+gpwnUuNfBD8hUz3ivjNQGasqOR95KmTwCdJcoPPL w3pb0DBO4dFwxIRsqcQ927gh0qriUvY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1792762445; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4DUQZ8KTzA58M2ePEzmfN785cYb/uj5h5rNraNyYL8g=; b=+KaHnapvzQmazttFunDjMUT96oLZf2RclixXWbvy9h7pBT7hPn8euG/nw+0/9WmwenmVZf G/HCzMA9UC6jq1BA== Authentication-Results: smtp-out1.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1792762445; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4DUQZ8KTzA58M2ePEzmfN785cYb/uj5h5rNraNyYL8g=; b=RW/Rqe9eXh0xbI23smWE9SdpdoqRn7ZLNO8SsPR1Sy2jqqZQ+39yDCL0vd4EhfQ6nHf4H+ g7rhMHRjaFhck96t7RIxHfwwzzlNb+gpwnUuNfBD8hUz3ivjNQGasqOR95KmTwCdJcoPPL w3pb0DBO4dFwxIRsqcQ927gh0qriUvY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1792762445; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4DUQZ8KTzA58M2ePEzmfN785cYb/uj5h5rNraNyYL8g=; b=+KaHnapvzQmazttFunDjMUT96oLZf2RclixXWbvy9h7pBT7hPn8euG/nw+0/9WmwenmVZf G/HCzMA9UC6jq1BA== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id B51D2133F6; Fri, 23 Oct 2026 13:34:04 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id nw4mI0xi22pmTwAAD6G6ig (envelope-from ); Fri, 23 Oct 2026 13:34:04 +0000 Date: Fri, 23 Oct 2026 15:34:04 +0200 Message-ID: <87h5ica6cz.wl-tiwai@suse.de> From: Takashi Iwai To: rppxj178543@163.com Cc: alsa-devel@alsa-project.org, tiwai@suse.com, perex@perex.cz, fuhao@open-hieco.net, linux-kernel@vger.kernel.org, renpanpan Subject: Re: [PATCH] ALSA: hda: Force MSI for Hygon H34M51A board In-Reply-To: <20261022085438.1315679-1-rppxj178543@163.com> References: <20261022085438.1315679-1-rppxj178543@163.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spamd-Result: default: False [-12.30 / 50.00]; SUSE_INTERNAL_BYPASS(-9.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_TO(0.00)[163.com]; FREEMAIL_ENVRCPT(0.00)[163.com]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_SEVEN(0.00)[7]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,kylinos.cn:email] X-Spam-Score: -12.30 X-Spam-Level: X-Spam-Flag: NO On Thu, 22 Oct 2026 10:54:38 +0200, rppxj178543@163.com wrote: > > From: renpanpan > > The Hygon HDA controller (PCI 1d94:14a9) has AZX_DCAPS_NO_MSI set in > the PCI ID table to use legacy INTx, as MSI may lose interrupts under > heavy load on some Hygon platforms (commit 41212ff3e4ed ("ALSA: hda: > Add support for Hygon family 18h model 5h HD-Audio")). > > However, on the Kunlun H34M51A board (PCI subsystem 1d94:c950) the > INTx interrupt line is not wired. /proc/interrupts shows zero count > for the HDA IRQ from boot, so the RIRB interrupt handler is never > called. Without RIRB processing, azx_rirb_get_response() times out > after 1 s, switches to polling mode, and the resulting slow codec > communication delays card registration by ~20 s and breaks > unsolicited jack-detection event delivery. > > Force MSI on for subsystem 1d94:c950 by adding it to msi_deny_list > with value 1. The list is consulted in check_msi() before the > AZX_DCAPS_NO_MSI check, so H34M51A gets MSI enabled while other > Hygon platforms retain INTx. > > Signed-off-by: renpanpan Applied now. Thanks. Takashi