Quoting Ville Syrjälä (2018-11-13 18:40:20)
> On Tue, Nov 13, 2018 at 06:25:47PM +, Chris Wilson wrote:
> > Quoting Ville Syrjala (2018-11-13 18:10:23)
> > > From: Ville Syrjälä
> > >
> > > I have a Thinkpad X220 Tablet in my hands that is losing vblank
> > > interrupts whenever LP3
On Tue, Nov 13, 2018 at 06:25:47PM +, Chris Wilson wrote:
> Quoting Ville Syrjala (2018-11-13 18:10:23)
> > From: Ville Syrjälä
> >
> > I have a Thinkpad X220 Tablet in my hands that is losing vblank
> > interrupts whenever LP3 watermarks are used.
> >
> > If I nudge the latency value
Quoting Ville Syrjala (2018-11-13 18:10:23)
> From: Ville Syrjälä
>
> I have a Thinkpad X220 Tablet in my hands that is losing vblank
> interrupts whenever LP3 watermarks are used.
>
> If I nudge the latency value written to the WM3 register just
> by one in either direction the problem
From: Ville Syrjälä
I have a Thinkpad X220 Tablet in my hands that is losing vblank
interrupts whenever LP3 watermarks are used.
If I nudge the latency value written to the WM3 register just
by one in either direction the problem disappears. That to me
suggests that the punit will not enter the
