On Fri, Sep 25, 2015 at 04:09:56PM +0000, Vivi, Rodrigo wrote: > On Fri, 2015-09-25 at 13:52 +0300, Jani Nikula wrote: > > On Wed, 23 Sep 2015, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote: > > > In case something goes wrong with power well initialization we were > > > calling > > > intel_prepare_ddi during boot while encoder list isnt't initilized. > > > > Broken record, is this a regression, what is the regressing commit, > > or > > if this was always broken, which commit introduced the broken > > feature? > > I believe it is broken since this call was introduced, but when > everything goes as expected it isn't executed. > Only in rare cases where power well initialization didn't go well and > post call is called during init it will trigger this case. > I don't believe this is something that a regular user of stables > platforms should worrie though... but it is always good to protect to > be on the safe side. You posted a backtrace of the kernel dying in an oops. That looks pretty serious ;-) But even if this has been broken since forever in skl we only need to apply it to 4.3-fixes. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
