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

[Dave Airlie]

On Sun, 6 Sep 2020 at 18:54, Christian König
<ckoenig.leichtzumerken at gmail.com> wrote:
>
> Am 03.08.19 um 02:09 schrieb Andi Kleen:
> > From: Andi Kleen <ak at linux.intel.com>
> >
> > 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?

Dave.