On 2018年03月02日 14:19, Kuehling, Felix wrote:
Hi David,
Compute contexts enable the compute power profile,
I heard from Rex, he said he prefer power profile depends on ring
busy/idle, rather than always enable it.
and can use a different VM update mode from graphics contexts (SDMA vs. CPU).
If we can identify which is faster and efficient, then we can unify it I
guess.
Anyway, thanks for explain.
David Zhou
These differences are not going away. Not yet, anyway. If we start sharing VM
address space between graphics and compute in the future, this will have to
change. That is, these features would have to be controlled by other means than
by the vm context.
Regards,
Felix
________________________________________
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> on behalf of zhoucm1
<zhou...@amd.com>
Sent: Thursday, March 1, 2018 10:18:15 PM
To: Kuehling, Felix; amd-...@freedesktop.org; Koenig, Christian
Subject: Re: Changes to let KFD use render node VMs
Hi Felix,
Out of patches, Could I ask what the difference of
AMDGPU_VM_CONTEXT_COMPUTE/GFX is?
After you merge kfd_vm to amdgpu_vm, does the difference still exist?
Thanks,
David Zhou
On 2018年03月02日 06:58, Felix Kuehling wrote:
Hi Christian,
I have a working patch series against amd-kfg-staging that lets KFD use
VMs from render node FDs, as we discussed. There are two patches in that
series that touch amdgpu_vm.[ch] that I'd like your feedback on before I
commit the changes to amd-kfd-staging and include them in my upstream
patch series for KFD GPUVM support. See attached.
Thanks,
Felix
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