From nobody Tue Feb 10 03:39:16 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) client-ip=66.175.222.108; envelope-from=bounce+27952+90412+1787277+3901457@groups.io; helo=mail02.groups.io; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+90412+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=arm.com ARC-Seal: i=1; a=rsa-sha256; t=1654798808; cv=none; d=zohomail.com; s=zohoarc; b=LgxhVWNSxozDyPj9/Qe3xlwJG1pScs+xNpnqA6fYkJ1agyJQPsHIh4yRKchbBih+L7D7kXM7K5bRPH9fmi/8rqxLRcLLnIQI4F17jYbUlXnkt9qRqbfQzMFOz+OJIOSmYRiv8qwMMkTaTo6HbKA7HwwRJAGgJOqnYl44WJlDNHo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1654798808; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=nx8jLqv+nX/5f9W4dygGxaxUMBpGujRIo0TcHplx2XE=; b=T3q5+Y87ruItARYuq1C3T6WzMju/7aq35ftHT1B3E4NSBqLCZ4osSNN00W3qY9qPjIKva40A9FxDMdUoSnboqdiSDK90/8DkpBlkeURN8iSm8UhZ5btZW98n21hFnvRy+5hB6qV34C6Sodk47CXo0PHfJepmBLYWVKjgPzV+vR4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce+27952+90412+1787277+3901457@groups.io; dmarc=fail header.from= (p=none dis=none) Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1654798808786449.0680291415413; Thu, 9 Jun 2022 11:20:08 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id Tho9YY1788612xwQ1MCkAhEN; Thu, 09 Jun 2022 11:20:08 -0700 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web10.17067.1654798807378905165 for ; Thu, 09 Jun 2022 11:20:07 -0700 X-Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 43257139F; Thu, 9 Jun 2022 11:20:06 -0700 (PDT) X-Received: from usa.arm.com (unknown [10.162.16.33]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id F3B1F3F766; Thu, 9 Jun 2022 11:20:04 -0700 (PDT) From: "Pranav Madhu" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Sami Mujawar Subject: [edk2-devel] [edk2-platforms][PATCH V1 1/7] Platform/Sgi: Fix ACPI Low Power Idle states for SGI575 Date: Thu, 9 Jun 2022 23:49:49 +0530 Message-Id: <20220609181955.3018033-2-pranav.madhu@arm.com> In-Reply-To: <20220609181955.3018033-1-pranav.madhu@arm.com> References: <20220609181955.3018033-1-pranav.madhu@arm.com> MIME-Version: 1.0 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,pranav.madhu@arm.com X-Gm-Message-State: fHnk9utNuf6q7LDWUOIxnnYox1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1654798808; bh=9f99x5Xfz6ivKcKhMwsjLQFQkhmy4XjTgYpPlMSuMDk=; h=Cc:Date:From:Reply-To:Subject:To; b=RPq8bSz/DfHQPBY69OiCYD+rmVNkZlSQgPzPII/Bu0e5cQPuQDBkJDkECVzNk6cNyWE 4W4kGiagE9Y4ijGZ/JJRXVkgLa7bWk5MMfB4lhHZ+uODQb3T7/gTveMyQnosOGzgbZXt2 JrRBK/gZaRJDOEtteNAua/YVHPgajyWU3Bg= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1654798809571100004 Content-Type: text/plain; charset="utf-8" SGI-575 platform supports only the platform co-ordinated LPI. So fix the LPI Level ID value accordingly. Additionally, as this platform does not support residency counter, clear the residency counter frequency from _LPI object's control method. Signed-off-by: Pranav Madhu --- Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl b/Platform/ARM/= SgiPkg/AcpiTables/Sgi575/Dsdt.asl index a292d20d8afb..a6187995be56 100644 --- a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl +++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dsdt.asl @@ -57,7 +57,7 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 2, "ARMLTD", "AR= MSGI", EFI_ACPI_ARM_OEM 1150, // Wake latency (uS) 1, // Flags 1, // Arch Context Flags - 100, // Residency Counter Frequency + 0, // Residency Counter Frequency 0, // No Parent State 0x00000020, // Integer Entry method ResourceTemplate () { // Null Residency Counter @@ -72,14 +72,14 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 2, "ARMLTD", "= ARMSGI", EFI_ACPI_ARM_OEM =20 Name (PLPI, Package () { /* LPI for Processor, support 2 LPI states */ 0, // Version - 1, // Level Index + 0, // Level Index 2, // Count Package () { // WFI for CPU 1, // Min residency (uS) 1, // Wake latency (uS) 1, // Flags 0, // Arch Context lost Flags (no loss) - 100, // Residency Counter Frequency + 0, // Residency Counter Frequency 0, // No parent state ResourceTemplate () { // Register Entry method Register (FFixedHW, @@ -102,7 +102,7 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 2, "ARMLTD", "= ARMSGI", EFI_ACPI_ARM_OEM 350, // Wake latency (uS) 1, // Flags 1, // Arch Context lost Flags (Core context los= t) - 100, // Residency Counter Frequency + 0, // Residency Counter Frequency 1, // Parent node can be in any shallower state ResourceTemplate () { // Register Entry method Register (FFixedHW, --=20 2.25.1 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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