From nobody Mon Feb 9 16:45:09 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+90816+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+90816+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=arm.com Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by mx.zohomail.com with SMTPS id 1656440426602596.4876442656409; Tue, 28 Jun 2022 11:20:26 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id RnKyYY1788612xPdWu1qEhT0; Tue, 28 Jun 2022 11:20:26 -0700 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web11.1776.1656440425685850991 for ; Tue, 28 Jun 2022 11:20:25 -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 98B76152B; Tue, 28 Jun 2022 11:20:25 -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 C176F3F792; Tue, 28 Jun 2022 11:20:23 -0700 (PDT) From: "Pranav Madhu" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Sami Mujawar , Pierre Gondois , Thomas Abraham Subject: [edk2-devel] [edk2-platforms][PATCH V2 3/7] Platform/Sgi: Fix ACPI Low Power Idle states for RD-N1-Edge-X2 Date: Tue, 28 Jun 2022 23:50:08 +0530 Message-Id: <20220628182012.1179982-4-pranav.madhu@arm.com> In-Reply-To: <20220628182012.1179982-1-pranav.madhu@arm.com> References: <20220628182012.1179982-1-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: NqjADERgPVlsSPzLKDD3VT9Ax1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1656440426; bh=fDzjU8qkmzjtBd5TLk++go0xyePZkqK8nqqxekSv2lQ=; h=Cc:Date:From:Reply-To:Subject:To; b=KsWlrrLgHqvas4J+SJ3YEeOmWd0ZmmjM2X0DWEvZZDnQMLJHkP08za7LLLz0nIIVZyu vRIyqX9w+dfb1DEPFlA80qvLwVWU9Xxs5Sr22d5rOsvHCmmSVfBE5mht+zrKDRrHlm/yU gJm32p/gexfUfRnLLF3my4Xzv5nAwrEuz6I= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1656440427147100013 Content-Type: text/plain; charset="utf-8" RD-N1-Edge-X2 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 Reviewed-by: Pierre Gondois Reviewed-by: Thomas Abraham --- Platform/ARM/SgiPkg/AcpiTables/RdN1EdgeX2/Dsdt.asl | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Platform/ARM/SgiPkg/AcpiTables/RdN1EdgeX2/Dsdt.asl b/Platform/= ARM/SgiPkg/AcpiTables/RdN1EdgeX2/Dsdt.asl index 9cb2b175418c..28e255c6de6e 100644 --- a/Platform/ARM/SgiPkg/AcpiTables/RdN1EdgeX2/Dsdt.asl +++ b/Platform/ARM/SgiPkg/AcpiTables/RdN1EdgeX2/Dsdt.asl @@ -60,7 +60,7 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD", "A= RMSGI", 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 @@ -75,14 +75,14 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD", = "ARMSGI", =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, @@ -105,7 +105,7 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD", = "ARMSGI", 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. View/Reply Online (#90816): https://edk2.groups.io/g/devel/message/90816 Mute This Topic: https://groups.io/mt/92050006/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-