Re: [PATCH] drm/amdgpu: enable ih1 ih2 for Arcturus only

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Am 2020-09-07 um 1:00 a.m. schrieb Matt Coffin:

> Hello all,
>
>
>
> Thought I'd chime in here. While I can't speak to the issue the GitLab
> reporter was experiencing, I can say that I get some performance hit
> (expected) from this when using multiple monitors with DRI_PRIME. When
> the second monitor is active (with something rendering to it with
> relative frequency), then I see a decent performance drop in
> applications running on my primary monitor compared to before this.

To be clear, are you seeing a performance drop from this partial revert,
or from the original change that enabled ih1 and ih2?

I would not expect this change to affect performance for anything other
than page fault interrupt handling. You should not be seeing GPU page
fault interrupts while running graphics applications.

Regards,
  Felix


>
>
>
> While this is probably expected, and imperceptible to the standard user,
> I thought I'd at least mention it in an effort to keep contributing.
>
>
>
> Thanks for the continued open source work. You all make my life.
>
>
>
> Cheers,
>
> Matt
>
> On 9/3/20 2:05 AM, Christian König wrote:
>> Am 02.09.20 um 20:28 schrieb Felix Kuehling:
>>> Am 2020-09-02 um 2:13 p.m. schrieb Alex Deucher:
>>>> On Wed, Sep 2, 2020 at 2:08 PM Alex Deucher <alexdeucher@xxxxxxxxx>
>> I think we should further investigate this before applying any patches.
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