Re: [PATCH] radeon: Use only a single work queue thread for crt

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Am 07.09.20 um 01:47 schrieb Dave Airlie:
On Sun, 6 Sep 2020 at 18:54, Christian König
<ckoenig.leichtzumerken@xxxxxxxxx> wrote:
Am 03.08.19 um 02:09 schrieb Andi Kleen:
From: Andi Kleen <ak@xxxxxxxxxxxxxxx>

I got tired of seeing a lot of radeon-crt kernel threads in ps on my
workstation, one for each CPU and one for each display, which never use any CPU time.
Surely a single kernel thread is enough to handle the display.
NAK, radeon blocks inside the kernel thread and those need to run in
parallel or otherwise the hardware can hang.
Do we need one per cpu? or is one per crtc enough?

One per CRTC is enough, but the patch description sounds like it creates only a global one.

Christian.


Dave.

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