[PATCH 0/1] drm/amdkfd: Fix unaligned doorbell absolute offset for gfx8

Yadav, Arvind arvyadav at amd.com
Wed Sep 27 16:25:13 UTC 2023


Adding Felix.Kuehling at amd.com for review.

Thanks
~Arvind

On 9/27/2023 9:46 PM, Arvind Yadav wrote:
> On older chips, the absolute doorbell offset within
> the doorbell page is based on the queue ID.
> KFD is using queue ID and doorbell size to get an
> absolute doorbell offset in userspace.
>
> This patch is to adjust the absolute doorbell offset
> against the doorbell id considering the doorbell
> size of 32/64 bit.
>
> Arvind Yadav (1):
>    drm/amdkfd: Fix unaligned doorbell absolute offset for gfx8
>
>   drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 11 ++++++++++-
>   1 file changed, 10 insertions(+), 1 deletion(-)
>


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