On Wed, May 9, 2012 at 10:23 AM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote: > On Wed, May 9, 2012 at 9:40 AM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote: >> On Fri, May 4, 2012 at 11:06 AM, <j.glisse@xxxxxxxxx> wrote: >>> From: Jerome Glisse <jglisse@xxxxxxxxxx> >>> >>> It seems imac pannel doesn't like whe we change the hot plug setup >>> and then refuse to work. This help but doesn't fully fix: >>> https://bugzilla.redhat.com/show_bug.cgi?id=726143 >> >> How does it help? Does it fix the the aux problems, but the monitor >> still doesn't train? What's the working value of the relevant >> DC_HPD*_CONTROL register? >> >> Alex > > Don't have the hw but somehow the way we program this reg completely > disable the panel, after that the panel doesn't answer to anything > (nor i2c nor any aux transaction). Without programming that link > training is successfull but panel stays black. I can ask to get the > value before and after. Patch seems reasonable in general (we don't really need hpd to be explicitly enabled for lvds or edp) so: Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > > Cheers, > Jerome _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
