[Intel-gfx] [PATCH] drm/i915/edp: Increase T12 panel delay to 900 ms to fix DP AUX CH timeouts

[Saarinen, Jani]

Hi,

> -----Original Message-----
> From: Intel-gfx [mailto:intel-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Saarinen, Jani
> Sent: perjantai 1. syyskuuta 2017 12.30
> To: Ville Syrjälä <ville.syrjala at linux.intel.com>; Navare, Manasi D
> <manasi.d.navare at intel.com>
> Cc: Sarvela, Tomi P <tomi.p.sarvela at intel.com>; Vetter, Daniel
> <daniel.vetter at intel.com>; intel-gfx at lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] drm/i915/edp: Increase T12 panel delay to
> 900 ms to fix DP AUX CH timeouts
> 
> Hi,
> > -----Original Message-----
> > From: Intel-gfx [mailto:intel-gfx-bounces at lists.freedesktop.org] On
> > Behalf Of Ville Syrjälä
> > Sent: torstai 31. elokuuta 2017 21.47
> > To: Navare, Manasi D <manasi.d.navare at intel.com>
> > Cc: Sarvela, Tomi P <tomi.p.sarvela at intel.com>; Vetter, Daniel
> > <daniel.vetter at intel.com>; intel-gfx at lists.freedesktop.org
> > Subject: Re: [Intel-gfx] [PATCH] drm/i915/edp: Increase T12 panel
> > delay to
> > 900 ms to fix DP AUX CH timeouts
> >
> > On Tue, Aug 15, 2017 at 11:59:51AM -0700, Manasi Navare wrote:
> > > This patch fixes the DP AUX CH timeouts observed during CI runs
> > > causing CI Failures on a specific PCI device. This issue was fixed
> > > previously by adding a quirk but looks like we need to increase this
> > > delay even more in order to get rid all the DP AUX CH timeouts.
> > >
> > > Fixes: c99a259b4b5192ba ("drm/i915/edp: Add a T12 panel delay quirk
> > > to fix DP AUX CH timeouts")
> > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101144
> > > Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
> > > Cc: Clinton Taylor <clinton.a.taylor at intel.com>
> > > Cc: Daniel Vetter <daniel.vetter at intel.com>
> > > Cc: Tomi Sarvela <tomi.p.sarvela at intel.com>
> >
> > I pushed this to dinq. Let's hope the errors stay away this time.
> > Thanks for the patch.
> Well, apparently still failing:
> https://intel-gfx-ci.01.org/tree/drm-tip/fi-skl-6700hq.html
Taking a bit back, not anymore, any idea why now has been quite stable?

> 
> > --
> > Ville Syrjälä
> > Intel OTC
> 

Jani Saarinen
Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo