On Wed, Jul 4, 2018 at 6:34 PM, AlexeiFedorov <[email protected]> wrote: > From: Alexei Fedorov <[email protected]> > > Juno's DSDT contains 2 PLPI packages in Clusters #0 and #1 and > _OSC method reports support for platform coordinated mode only. > According to the description of LevelID field in > ACPI 6.2 Errata A Specification #8.4.4.3, > "In a platform that only supports platform coordinated mode, > this field must be 0." > > This patch fixes the above issue by changing value of LevelID > fields from 1 to 0. > > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Alexei Fedorov <[email protected]> > --- > All the changes can be reviewed at: > https://github.com/AlexeiFedorov/edk2-platforms/tree/282_correct_levelid_v1 > > Notes: > v1: > - Change LevelID Value of PLPI package from 1 to 0. > > Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl > b/Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl > index > 07e32bae21f891461fde0183028e4c0f817e45a7..702b057757457fee40ddfc10e91d38c5dd7ca0b8 > 100644 > --- a/Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl > +++ b/Platform/ARM/JunoPkg/AcpiTables/Dsdt.asl > @@ -1,7 +1,7 @@ > /** @file > Differentiated System Description Table Fields (DSDT) > > - Copyright (c) 2014-2015, ARM Ltd. All rights reserved.<BR> > + Copyright (c) 2014-2018, ARM Ltd. All rights reserved.<BR> > This program and the accompanying materials > are licensed and made available under the terms and conditions of the BSD > License > which accompanies this distribution. The full text of the license may be > found at > @@ -65,7 +65,7 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 1, "ARMLTD", > "ARM-JUNO", EFI_ACPI_ARM_O > }) > Name(PLPI, Package() { > 0, // Version > - 1, // Level Index > + 0, // Level Index > 2, // Count > Package() { // WFI for CPU > 1, // Min residency (uS) > @@ -157,7 +157,7 @@ DefinitionBlock("DsdtTable.aml", "DSDT", 1, "ARMLTD", > "ARM-JUNO", EFI_ACPI_ARM_O > }) > Name(PLPI, Package() { > 0, // Version > - 1, // Level Index > + 0, // Level Index > 2, // Count > Package() { // WFI for CPU > 1, // Min residency (uS) > -- > 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'
Reviewed-by: Thomas Abraham <[email protected]> _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
