From nobody Tue Feb 10 00:59:40 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+90416+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+90416+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=arm.com ARC-Seal: i=1; a=rsa-sha256; t=1654798814; cv=none; d=zohomail.com; s=zohoarc; b=htpXuush7vLxpWKdtiyLof0IH0synSXxbDlnoMNFl8Lzyw6v0JbdVhJsxTjcMyqgVxGM/rqkUpqmNfyFLel6DV7lYxJiGizcZz0JZbGAkm2sTg4+f+DKM2QvFVRyP4bl1xR+YAjwuS4SquU3i7uCz08/M/ZQRrVt1FJBiaijQy4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1654798814; 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=gYEzXiopAFbGNb9XLHH5QFLGeTC4Szx13kRKNYtXXJM=; b=AmsXu8ciPpMT1a5TNqtgyj8nj4atnwDSthcTGp0954pWvKaKO1H8e08yE484xVj8JeHn6rEPO7IbYnqw81+a9/+h4hL1+Bgsb5eb4GzAjVGqc/0UhMCHMO+GQ3G79mT5X7/BFqRjizCSOB6/IL8ONaEHhtHN26n7wjO0eFdolWo= 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+90416+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 1654798814701557.2769453153346; Thu, 9 Jun 2022 11:20:14 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id Wak4YY1788612xnfee0yE3mC; Thu, 09 Jun 2022 11:20:14 -0700 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web12.16922.1654798813022677568 for ; Thu, 09 Jun 2022 11:20:13 -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 D26A5139F; Thu, 9 Jun 2022 11:20:12 -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 901933F766; Thu, 9 Jun 2022 11:20:11 -0700 (PDT) From: "Pranav Madhu" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Sami Mujawar Subject: [edk2-devel] [edk2-platforms][PATCH V1 5/7] Platform/Sgi: Fix ACPI Low Power Idle states for RD-V1-MC Date: Thu, 9 Jun 2022 23:49:53 +0530 Message-Id: <20220609181955.3018033-6-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: xy1199U6mtRMlZpDFsQKY3Fnx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1654798814; bh=NgXYKBYmTzsTkqaYvOWe2cZhuWfax5uGmi7NdOufH3w=; h=Cc:Date:From:Reply-To:Subject:To; b=NwMzFdpP9TotSFZNUOYb9vj+qH8wOKLxT3HlD2KL9w07CQrZWvnTh89iUJyZE+Tc6pO y/HG038t6gUr0CUQM3nPUuuN/L6D52LcJTDyyd82RQD2A5fzQ4Tug2/nXPRcw0sCRc6sf hbV4jSaX4LXIPuCWDJqDE87OOmdFcQHok8k= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1654798815629100019 Content-Type: text/plain; charset="utf-8" RD-V1-MC 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/RdV1Mc/Dsdt.asl | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Platform/ARM/SgiPkg/AcpiTables/RdV1Mc/Dsdt.asl b/Platform/ARM/= SgiPkg/AcpiTables/RdV1Mc/Dsdt.asl index e084d82de7c0..152a3076fedd 100644 --- a/Platform/ARM/SgiPkg/AcpiTables/RdV1Mc/Dsdt.asl +++ b/Platform/ARM/SgiPkg/AcpiTables/RdV1Mc/Dsdt.asl @@ -64,14 +64,14 @@ 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, @@ -94,8 +94,8 @@ DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD", "A= RMSGI", 350, // Wake latency (uS) 1, // Flags 1, // Arch Context lost Flags (Core context los= t) - 100, // Residency Counter Frequency - 1, // Parent node can be in any shallower state + 0, // Residency Counter Frequency + 0, // No parent state ResourceTemplate () { // Register Entry method Register (FFixedHW, 32, // Bit Width --=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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