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From: Dave Airlie <airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Kuehling, Felix" <Felix.Kuehling-5C7GfCeVMHo@public.gmane.org>
Cc: "Zeng, Oak" <Oak.Zeng-5C7GfCeVMHo@public.gmane.org>,
	"Keely, Sean" <Sean.Keely-5C7GfCeVMHo@public.gmane.org>,
	"amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
	<amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	"Koenig,
	Christian" <Christian.Koenig-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH 6/8] drm/amdkfd: New IOCTL to allocate queue GWS
Date: Sat, 1 Jun 2019 06:53:41 +1000	[thread overview]
Message-ID: <CAPM=9tzQB_SbCHcAcs3PRq-maed9XdMroROWNQuf9DdgOH5zcQ@mail.gmail.com> (raw)
In-Reply-To: <e857f0f4-341d-1e64-0ffe-5b6812ca5b7f-5C7GfCeVMHo@public.gmane.org>

On Sat, 1 Jun 2019 at 06:04, Kuehling, Felix <Felix.Kuehling@amd.com> wrote:
>
> On 2019-05-30 11:13 p.m., Dave Airlie wrote:
> > On Sat, 25 May 2019 at 05:48, Kuehling, Felix <Felix.Kuehling@amd.com> wrote:
> >> On 2019-05-23 6:41 p.m., Zeng, Oak wrote:
> >>> Add a new kfd ioctl to allocate queue GWS. Queue
> >>> GWS is released on queue destroy.
> >>>
> >>> Change-Id: I60153c26a577992ad873e4292e759e5c3d5bbd15
> >>> Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
> >> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
> >>
> > btw just noticed in passing we are adding new features to kfd, is
> > there an open source developed userspace to go along with this, there
> > needs to a dev branch in public before new ioctls/uapi surfaces should
> > be added to the kernel.
> >
> > The commits should probably have pointers to that branch.
>
> Ah, a chicken and egg problem. I think this is the first time we're
> adding a new ioctl to upstream KFD rather than upstreaming one that's
> been developed internally first. Maybe not the right way to do it.

There is no chicken/egg problem here. You develop kernel and userspace
in parallel in the open, once you are happy and both sides are
reviewed you merge kernel then userspace.

Dave.

>
> I should be able to publish the user mode code in libhsakmt next week.
> Then we'll work on a kfdtest to validate the firmware functionality.
> Finally we'll use GWS further up the software stack for synchronization
> of concurrent compute workgroups.
>
> Regards,
>    Felix
>
>
> >
> > Dave.
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  parent reply	other threads:[~2019-05-31 20:53 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-23 22:41 [PATCH 1/8] drm/amdkfd: Add gws number to kfd topology node properties Zeng, Oak
     [not found] ` <1558651263-3478-1-git-send-email-Oak.Zeng-5C7GfCeVMHo@public.gmane.org>
2019-05-23 22:41   ` [PATCH 2/8] drm/amdgpu: Add interface to alloc gws from amdgpu Zeng, Oak
2019-05-23 22:41   ` [PATCH 3/8] drm/amdkfd: Allocate gws on device initialization Zeng, Oak
2019-05-23 22:41   ` [PATCH 4/8] drm/amdgpu: Add function to add/remove gws to kfd process Zeng, Oak
2019-05-23 22:41   ` [PATCH 5/8] drm/amdkfd: Add function to set queue gws Zeng, Oak
     [not found]     ` <1558651263-3478-5-git-send-email-Oak.Zeng-5C7GfCeVMHo@public.gmane.org>
2019-05-24 19:47       ` Kuehling, Felix
2019-05-23 22:41   ` [PATCH 6/8] drm/amdkfd: New IOCTL to allocate queue GWS Zeng, Oak
     [not found]     ` <1558651263-3478-6-git-send-email-Oak.Zeng-5C7GfCeVMHo@public.gmane.org>
2019-05-24 19:48       ` Kuehling, Felix
     [not found]         ` <4f49af4d-0953-030c-bb1b-47b7a5fa7c7c-5C7GfCeVMHo@public.gmane.org>
2019-05-31  3:13           ` Dave Airlie
     [not found]             ` <CAPM=9tzs9adV7_ef4hpgswB-S==iQizAF_=FTarVm3EYwPCg0w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-05-31 20:04               ` Kuehling, Felix
     [not found]                 ` <e857f0f4-341d-1e64-0ffe-5b6812ca5b7f-5C7GfCeVMHo@public.gmane.org>
2019-05-31 20:53                   ` Dave Airlie [this message]
     [not found]                     ` <CAPM=9tzQB_SbCHcAcs3PRq-maed9XdMroROWNQuf9DdgOH5zcQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2019-05-31 21:18                       ` Kuehling, Felix
2019-05-23 22:41   ` [PATCH 7/8] drm/amdkfd: PM4 packets change to support GWS Zeng, Oak
2019-05-23 22:41   ` [PATCH 8/8] drm/amdkfd: Use kfd fd to mmap mmio Zeng, Oak
     [not found]     ` <1558651263-3478-8-git-send-email-Oak.Zeng-5C7GfCeVMHo@public.gmane.org>
2019-05-24  8:47       ` Christian König
2019-05-24 18:59       ` Kuehling, Felix

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