[PATCH] drm/bridge: sii902x: Fall back to standard modes

[Ville Syrjälä]

On Thu, Mar 01, 2018 at 11:12:15PM +0100, Linus Walleij wrote:
> On Thu, Mar 1, 2018 at 10:18 PM, Ville Syrjälä
> <ville.syrjala at linux.intel.com> wrote:
> > On Thu, Mar 01, 2018 at 10:02:55PM +0100, Linus Walleij wrote:
> >> Hm, hard to get review feedback on this one.
> >>
> >> It gives me proper video on an ARM Versatile Express utilizing the
> >> bridge driver with a plugged in DVI-to-VGA dongle with the new
> >> PL111 DRI driver.
> >>
> >> Liviu? Pawel?
> >>
> >> Some ACK is fine to know I am doing the right thing :)
> >
> > Why isn't the probe helper's noedid fallback working?
> 
> Where is that in the call chain?
> 
> The problem I have is that the bridge is there, it gets properly
> initialized and used as connector and all. The only problem is
> that the DDI I2C portion of it is not working, so no modes are
> really added from the struct drm_connector_helper_funcs
> .get_modes() callback.

The helper is what calls .get_modes(), and it has a noedid
fallback for mode count==0.

-- 
Ville Syrjälä
Intel OTC