From patchwork Tue Aug 8 10:33:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 711635 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F066EC001DE for ; Tue, 8 Aug 2023 15:52:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229494AbjHHPwJ (ORCPT ); Tue, 8 Aug 2023 11:52:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229570AbjHHPun (ORCPT ); Tue, 8 Aug 2023 11:50:43 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1844C4C11 for ; Tue, 8 Aug 2023 08:42:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1691509281; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xeJkZiO3OJE7hMvROujUxKI2mbpdsUguGw9W7kaWg1M=; b=c5rJPVnRRz8xKrI1DFVYd6FAVpdQZrs1/DCvQGhYY64TSHrjEMZCcPH2vdioCsj0Kv8Fv6 wx98ITjGFXoTqdlLhxFWqdybIeizVKLp98dnKL5fmHxaCqImDY3/h9jGSqV1P7DpVIHnz3 AlRTAG92EBCHTj42MWFt9Rs/LkrcWOE= Received: from mimecast-mx02.redhat.com (66.187.233.73 [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-540-RD3dkByZOKu5mi6EWAow4Q-1; Tue, 08 Aug 2023 06:33:49 -0400 X-MC-Unique: RD3dkByZOKu5mi6EWAow4Q-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BD8EE3C11C64; Tue, 8 Aug 2023 10:33:48 +0000 (UTC) Received: from localhost.localdomain (unknown [10.39.194.191]) by smtp.corp.redhat.com (Postfix) with ESMTP id C3C0140C2076; Tue, 8 Aug 2023 10:33:47 +0000 (UTC) From: Hans de Goede To: "Rafael J . Wysocki" , Mario Limonciello Cc: Hans de Goede , Linux regressions mailing list , stable@vger.kernel.org, linux-acpi@vger.kernel.org, x86@kernel.org Subject: [PATCH v2 3/3] ACPI: resource: Honor MADT INT_SRC_OVR settings for IRQ1 on AMD Zen Date: Tue, 8 Aug 2023 12:33:35 +0200 Message-ID: <20230808103335.95339-4-hdegoede@redhat.com> In-Reply-To: <20230808103335.95339-1-hdegoede@redhat.com> References: <20230808103335.95339-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On AMD Zen acpi_dev_irq_override() by default prefers the DSDT IRQ 1 settings over the MADT settings. This causes the keyboard to malfunction on some laptop models (see Links), all models from the Links have an INT_SRC_OVR MADT entry for IRQ 1. Fixes: a9c4a912b7dc ("ACPI: resource: Remove "Zen" specific match and quirks") Link: https://bugzilla.kernel.org/show_bug.cgi?id=217336 Link: https://bugzilla.kernel.org/show_bug.cgi?id=217394 Link: https://bugzilla.kernel.org/show_bug.cgi?id=217406 Cc: Mario Limonciello Cc: Linux regressions mailing list Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede --- arch/x86/include/asm/acpi.h | 1 + arch/x86/kernel/acpi/boot.c | 4 ++++ drivers/acpi/resource.c | 4 ++++ 3 files changed, 9 insertions(+) diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 8eb74cf386db..2173b7c19adf 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -31,6 +31,7 @@ extern int acpi_skip_timer_override; extern int acpi_use_timer_override; extern int acpi_fix_pin2_polarity; extern int acpi_disable_cmcff; +extern int acpi_irq1_int_src_ovr; extern u8 acpi_sci_flags; extern u32 acpi_sci_override_gsi; diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 21b542a6866c..f69ffb9a35c1 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -52,6 +52,7 @@ int acpi_lapic; int acpi_ioapic; int acpi_strict; int acpi_disable_cmcff; +int acpi_irq1_int_src_ovr; /* ACPI SCI override configuration */ u8 acpi_sci_flags __initdata; @@ -588,6 +589,9 @@ acpi_parse_int_src_ovr(union acpi_subtable_headers * header, acpi_table_print_madt_entry(&header->common); + if (intsrc->source_irq == 1) + acpi_irq1_int_src_ovr = 1; + if (intsrc->source_irq == acpi_gbl_FADT.sci_interrupt) { acpi_sci_ioapic_setup(intsrc->source_irq, intsrc->inti_flags & ACPI_MADT_POLARITY_MASK, diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 840b938a5fb0..8b0c641db1e8 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -551,6 +551,10 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, return true; #ifdef CONFIG_X86 + /* If the override comes from an INT_SRC_OVR MADT entry honor it */ + if (acpi_irq1_int_src_ovr) + return true; + /* * IRQ override isn't needed on modern AMD Zen systems and * this override breaks active low IRQs on AMD Ryzen 6000 and