Hi Mauro,
On Thu, Jul 14, 2022 at 01:06:06PM +0100, 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 invalidation is not needed, thus reducing
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
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 invalidation is not needed, thus reducing the
performance regression impact due
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 invalidation is not needed, thus reducing the
performance regression impact due to it.
This becomes more significant with GuC, as it