From nobody Tue Feb 10 03:40:36 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+90415+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+90415+1787277+3901457@groups.io; dmarc=fail(p=none dis=none) header.from=arm.com ARC-Seal: i=1; a=rsa-sha256; t=1654798813; cv=none; d=zohomail.com; s=zohoarc; b=EPSmxSKQog7uXuXXe5n72l9yMuLgWQxHcu8Br8mfm6hGa0Ccjd9ZxuNlNsmOL1ZvdJLKXCEXsQn9l2/aR5SeqnKiNTX4Up752HZrzrfQEiiTER+3LdYZoejGXuRtfqUaH0XpdyOreH/6kqnodAQHSQi/WEAWU3bMzNLGX4h+/uI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1654798813; 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=JjKmS9Iot4h8S9bp98HDIVXtOWsceZSgODI97Y+/ky4=; b=eeKc6gdGQN6QwjWLebWdDOMlIg7did2D4BTytWPXEaCT7I/ZIx+C5xsohBFj+r5t9936lj0ztZ5nqKoY0ouyFkx1JLynxAX7vEHWJPRleegn8JOtWUs9BPdU3x1EKqSTmcFtS2OdEmHKkecGd8LomRDyviEzch5/aG4mmyy62Cw= 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+90415+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 1654798813691412.34703089983657; Thu, 9 Jun 2022 11:20:13 -0700 (PDT) Return-Path: X-Received: by 127.0.0.2 with SMTP id NAa5YY1788612xtuUA9XT9ux; Thu, 09 Jun 2022 11:20:12 -0700 X-Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web12.16921.1654798811447466098 for ; Thu, 09 Jun 2022 11:20:12 -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 4418D12FC; Thu, 9 Jun 2022 11:20:11 -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 E7DD73F766; Thu, 9 Jun 2022 11:20:09 -0700 (PDT) From: "Pranav Madhu" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Sami Mujawar Subject: [edk2-devel] [edk2-platforms][PATCH V1 4/7] Platform/Sgi: Fix ACPI Low Power Idle states for RD-V1 Date: Thu, 9 Jun 2022 23:49:52 +0530 Message-Id: <20220609181955.3018033-5-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: EjiDkjXm9hoXoVKn23UV6pjPx1787277AA= Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1654798812; bh=AivFZWHFIpPwmecfvdkDbNCVfPlKznIGYPPWr+G3x5w=; h=Cc:Date:From:Reply-To:Subject:To; b=UknUKiWzGZwl8XI9nKEZpOKpR2CeC8J5KK1xK32R3iHqIRxPyqqzJnfRB0bh4G5eRYu boQxN3YCATJ2rfXx7YmQErriA2oV/5Lh+EDMZkmERhfNLTGjGQoOh3362O6z6SgLFIeA0 i6ayFtxFkbyoqQQrxWxORUKbgXTj91VFh9g= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1654798815629100020 Content-Type: text/plain; charset="utf-8" RD-V1 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/RdV1/Dsdt.asl | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Platform/ARM/SgiPkg/AcpiTables/RdV1/Dsdt.asl b/Platform/ARM/Sg= iPkg/AcpiTables/RdV1/Dsdt.asl index db9c19780e16..3c9c878dd880 100644 --- a/Platform/ARM/SgiPkg/AcpiTables/RdV1/Dsdt.asl +++ b/Platform/ARM/SgiPkg/AcpiTables/RdV1/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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