On Wed, 21 Mar 2012 13:53:12 -0700 Jesse Barnes <jbarnes at virtuousgeek.org> wrote: > On Wed, 21 Mar 2012 17:44:12 -0300 > Eugeni Dodonov <eugeni at dodonov.net> wrote: > > > On Wed, Mar 21, 2012 at 16:48, Jesse Barnes > > <jbarnes at virtuousgeek.org>wrote: > > > > > + } else { > > > > + DRM_DEBUG_KMS("failed to fetch edid\n"); > > > } > > > > > > > > > Wouldn't it be prettier if we also add some: > > ... > > err = -ENXIO; > > > > or similar error in that block, to let the caller know that we > > failed as well? > > > > > > > return ret; > > > > > > > Maybe but I think most callers just check for the EDID later anyway. > > Really this patch can be dropped, but I was wondering exactly where > the GPIO side of things was failing and added some debug output... > I guess it's not exactly an error if no modes were gotten, so returning 0 seems right (and initially confusing to me as well). Can you add some information about the connector and/or adapter. Otherwise I don't think this is very helpful.