From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web08.1746.1656440427741696762 for ; Tue, 28 Jun 2022 11:20:27 -0700 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: arm.com, ip: 217.140.110.172, mailfrom: pranav.madhu@arm.com) 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 A5D80153B; Tue, 28 Jun 2022 11:20:27 -0700 (PDT) Received: from usa.arm.com (unknown [10.162.16.33]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id CEBE73F792; Tue, 28 Jun 2022 11:20:25 -0700 (PDT) From: "Pranav Madhu" To: devel@edk2.groups.io Cc: Ard Biesheuvel , Sami Mujawar , Pierre Gondois , Thomas Abraham Subject: [edk2-platforms][PATCH V2 4/7] Platform/Sgi: Fix ACPI Low Power Idle states for RD-V1 Date: Tue, 28 Jun 2022 23:50:09 +0530 Message-Id: <20220628182012.1179982-5-pranav.madhu@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220628182012.1179982-1-pranav.madhu@arm.com> References: <20220628182012.1179982-1-pranav.madhu@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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 Reviewed-by: Pierre Gondois Reviewed-by: Thomas Abraham --- 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/= SgiPkg/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", = "ARMSGI", 350, // Wake latency (uS) 1, // Flags 1, // Arch Context lost Flags (Core context l= ost) - 100, // Residency Counter Frequency - 1, // Parent node can be in any shallower sta= te + 0, // Residency Counter Frequency + 0, // No parent state ResourceTemplate () { // Register Entry method Register (FFixedHW, 32, // Bit Width --=20 2.25.1