From: Tvrtko Ursulin
> Sent: 19 July 2022 08:25
...
> > It's not only the TLB flushes that cause grief.
> >
> > There is a loop that forces a write-back of all the frame buffer pages.
> > With a large display and some cpu (like my Ivy bridge one) that
> > takes long enough with pre-emption
Hi David,
On 18/07/2022 16:50, David Laight wrote:
From: Mauro Carvalho Chehab
Sent: 18 July 2022 15:54
On Mon, 18 Jul 2022 14:16:10 +0100
Tvrtko Ursulin wrote:
On 14/07/2022 13:06, Mauro Carvalho Chehab wrote:
From: Chris Wilson
Check if the device is powered down prior to any engine
From: Mauro Carvalho Chehab
> Sent: 18 July 2022 15:54
>
> On Mon, 18 Jul 2022 14:16:10 +0100
> Tvrtko Ursulin wrote:
>
> > On 14/07/2022 13:06, Mauro Carvalho Chehab wrote:
> > > From: Chris Wilson
> > >
> > > Check if the device is powered down prior to any engine activity,
> > > as, on such
On 18/07/2022 15:53, Mauro Carvalho Chehab wrote:
On Mon, 18 Jul 2022 14:16:10 +0100
Tvrtko Ursulin wrote:
On 14/07/2022 13:06, Mauro Carvalho Chehab wrote:
From: Chris Wilson
Check if the device is powered down prior to any engine activity,
as, on such cases, all the TLBs were already
On Mon, 18 Jul 2022 14:16:10 +0100
Tvrtko Ursulin wrote:
> On 14/07/2022 13:06, Mauro Carvalho Chehab wrote:
> > From: Chris Wilson
> >
> > Check if the device is powered down prior to any engine activity,
> > as, on such cases, all the TLBs were already invalidated, so an
> > explicit TLB
