Reviewed-by: Chasel Chiu <[email protected]>

Thanks,
Chasel


> -----Original Message-----
> From: Desimone, Nathaniel L <[email protected]>
> Sent: Tuesday, June 7, 2022 7:17 AM
> To: [email protected]
> Cc: Chiu, Chasel <[email protected]>; Kubacki, Michael
> <[email protected]>; Chaganty, Rangasai V
> <[email protected]>; Kethi Reddy, Deepika
> <[email protected]>; Esakkithevar, Kathappan
> <[email protected]>
> Subject: [edk2-platforms] [PATCH V2 3/4] CometlakeOpenBoardPkg: Indicate
> width of CLK duty cycle in FADT
> 
> Set the location of the DUTY_CYCLE field in the P_CNT register and indicate 
> the
> width of the clock duty cycle to OS power management
> 
> Cc: Chasel Chiu <[email protected]>
> Cc: Michael Kubacki <[email protected]>
> Cc: Rangasai V Chaganty <[email protected]>
> Cc: Deepika Kethi Reddy <[email protected]>
> Cc: Kathappan Esakkithevar <[email protected]>
> Signed-off-by: Nate DeSimone <[email protected]>
> ---
>  .../CometlakeURvp/OpenBoardPkgPcd.dsc                    | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git
> a/Platform/Intel/CometlakeOpenBoardPkg/CometlakeURvp/OpenBoardPkgPcd.
> dsc
> b/Platform/Intel/CometlakeOpenBoardPkg/CometlakeURvp/OpenBoardPkgPcd.
> dsc
> index 589b002d06..68dd08423b 100644
> ---
> a/Platform/Intel/CometlakeOpenBoardPkg/CometlakeURvp/OpenBoardPkgPcd.
> dsc
> +++
> b/Platform/Intel/CometlakeOpenBoardPkg/CometlakeURvp/OpenBoardPkgPcd
> +++ .dsc
> @@ -1,7 +1,7 @@
>  ## @file
>  #  PCD configuration build description file for the CometlakeURvp board.
>  #
> -# Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
> +# Copyright (c) 2020 - 2022, Intel Corporation. All rights
> +reserved.<BR>
>  #
>  # SPDX-License-Identifier: BSD-2-Clause-Patent  # @@ -253,6 +253,13 @@
>    gMinPlatformPkgTokenSpaceGuid.PcdMaxCpuCoreCount|8
>    gMinPlatformPkgTokenSpaceGuid.PcdMaxCpuThreadCount|2
> 
> +  #
> +  # Set the location of the DUTY_CYCLE field in the P_CNT register  #
> + and indicate the width of the clock duty cycle to OS power management
> + #
> +  gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyOffset|0x1
> +  gMinPlatformPkgTokenSpaceGuid.PcdFadtDutyWidth|0x3
> +
>    #
>    # The PCDs are used to control the Windows SMM Security Mitigations Table -
> Protection Flags
>    #
> --
> 2.27.0.windows.1



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