[Intel-gfx] [PATCH v10 00/15] drm/i915/icl: dsi enabling

[Kulkarni, Vandita]

> -----Original Message-----
> From: Chauhan, Madhav
> Sent: Monday, November 5, 2018 3:46 PM
> To: Kulkarni, Vandita <vandita.kulkarni at intel.com>; Nikula, Jani
> <jani.nikula at intel.com>; intel-gfx at lists.freedesktop.org
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Subject: RE: [Intel-gfx] [PATCH v10 00/15] drm/i915/icl: dsi enabling
> 
> > -----Original Message-----
> > From: Kulkarni, Vandita
> > Sent: Monday, November 5, 2018 3:26 PM
> > To: Chauhan, Madhav <madhav.chauhan at intel.com>; Nikula, Jani
> > <jani.nikula at intel.com>; intel-gfx at lists.freedesktop.org
> > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > Subject: RE: [Intel-gfx] [PATCH v10 00/15] drm/i915/icl: dsi enabling
> >
> >
> >
> > > -----Original Message-----
> > > From: Chauhan, Madhav
> > > Sent: Monday, November 5, 2018 3:03 PM
> > > To: Kulkarni, Vandita <vandita.kulkarni at intel.com>; Nikula, Jani
> > > <jani.nikula at intel.com>; intel-gfx at lists.freedesktop.org
> > > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > Subject: RE: [Intel-gfx] [PATCH v10 00/15] drm/i915/icl: dsi
> > > enabling
> > >
> > > > -----Original Message-----
> > > > From: Kulkarni, Vandita
> > > > Sent: Monday, November 5, 2018 11:17 AM
> > > > To: Nikula, Jani <jani.nikula at intel.com>; Chauhan, Madhav
> > > > <madhav.chauhan at intel.com>; intel-gfx at lists.freedesktop.org
> > > > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > > Subject: RE: [Intel-gfx] [PATCH v10 00/15] drm/i915/icl: dsi
> > > > enabling
> > > >
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: Nikula, Jani
> > > > > Sent: Sunday, November 4, 2018 12:46 AM
> > > > > To: Chauhan, Madhav <madhav.chauhan at intel.com>; intel-
> > > > > gfx at lists.freedesktop.org; Kulkarni, Vandita
> > > > > <vandita.kulkarni at intel.com>
> > > > > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > > > Subject: Re: [Intel-gfx] [PATCH v10 00/15] drm/i915/icl: dsi
> > > > > enabling
> > > > >
> > > > > On Sat, 03 Nov 2018, Madhav Chauhan <madhav.chauhan at intel.com>
> > > > wrote:
> > > > > > On 11/2/2018 7:15 PM, Jani Nikula wrote:
> > > > > >> On Fri, 02 Nov 2018, Jani Nikula <jani.nikula at intel.com> wrote:
> > > > > >>> Next version of [1]. Sorry for the spam, needed to get the
> > > > > >>> authorship straight. Fixed power domains and compute config
> > > > > >>> hook
> > > > > initialization.
> > > > > >> It looks like DDI intel_ddi_get_hw_state() returns true for
> > > > > >> ICL DSI
> > > > Yes, it does, checked on Jani's latest branch.
> > > > > >> as well. I'm not sure how this wasn't a problem before, but
> > > > > >> if I'm not mistaken it is now.
> > > > > >>
> > > > > >> At least that's my only explanation to intel_ddi_get_config()
> > > > > >> hitting (transcoder_is_dsi(cpu_transcoder)).
> > > > > >
> > > > > > I didn't observe that while testing. Where can we access the
> > > > > > complete
> > > > log??
> > > > Sent.
> > >
> > > There were some patches from Clock enabling and one hack wrt to VBT
> > parsing.
> > > Vandita will be trying with those.
> > Thanks Madhav, but looks like just that is not enough. Will keep you posted.

> Ok. So you included VBT Patch + PLL Enabling + Clock gate/ungated patches.
Yes.

> Whats the issue now?? Still WARN_ON??
Looks like the VBT hack fixes the WARN_ON and the ddi calls.
Thanks for the help.

Unfortunately, it doesn't boot, even with the above recipe. There is a hard hang.

Regards,
Vandita
> 
> Regards,
> Madhav
> 
> >
> > Regards,
> > Vandita
> > >
> > > Regards,
> > > Madhav
> > >
> > > > -Vandita
> > > > >
> > > > > Vandita reported that.
> > > > >
> > > > > BR,
> > > > > Jani.
> > > > >
> > > > > >
> > > > > > Regards,
> > > > > > Madhav
> > > > > >
> > > > > >>
> > > > > >> BR,
> > > > > >> Jani.
> > > > > >>
> > > > > >>
> > > > > >
> > > > >
> > > > > --
> > > > > Jani Nikula, Intel Open Source Graphics Center