[edk2-devel] [PATCH] ArmPkg/ArmGicLib: Fix setting GICv3 Interrupt Priority
Ashish Singhal
ashishsingha at nvidia.com
Mon Mar 1 14:48:58 UTC 2021
I have picked up the patches this morning and they are working as expected. Thanks, Leif.
Thanks
Ashish
________________________________
From: Leif Lindholm <leif at nuviainc.com>
Sent: Thursday, February 25, 2021 1:07 PM
To: Ashish Singhal <ashishsingha at nvidia.com>
Cc: ardb+tianocore at kernel.org <ardb+tianocore at kernel.org>; devel at edk2.groups.io <devel at edk2.groups.io>
Subject: Re: [PATCH] ArmPkg/ArmGicLib: Fix setting GICv3 Interrupt Priority
External email: Use caution opening links or attachments
Hi Ashish,
This bug was already reported by Ming (who also submitted a patch).
Tracked in https://bugzilla.tianocore.org/show_bug.cgi?id=3236, should
make it into the tree tomorrow.
Thank you for your contribution!
/
Leif
On Thu, Feb 25, 2021 at 10:19:46 -0700, Ashish Singhal wrote:
> Incorrect register is being set for configuring interrupt
> priority. Correct register is located in SGI space and not
> in RD space.
>
> Signed-off-by: Ashish Singhal <ashishsingha at nvidia.com>
> ---
> ArmPkg/Drivers/ArmGic/ArmGicLib.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/ArmPkg/Drivers/ArmGic/ArmGicLib.c b/ArmPkg/Drivers/ArmGic/ArmGicLib.c
> index 8ef32b3..3c0bee6 100644
> --- a/ArmPkg/Drivers/ArmGic/ArmGicLib.c
> +++ b/ArmPkg/Drivers/ArmGic/ArmGicLib.c
> @@ -236,7 +236,7 @@ ArmGicSetInterruptPriority (
> }
>
> MmioAndThenOr32 (
> - GicCpuRedistributorBase + ARM_GIC_ICDIPR + (4 * RegOffset),
> + GicCpuRedistributorBase + ARM_GICR_CTLR_FRAME_SIZE + ARM_GIC_ICDIPR + (4 * RegOffset),
> ~(0xff << RegShift),
> Priority << RegShift
> );
> --
> 2.7.4
>
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