On Sun, May 13, 2012 at 08:51:41PM -0300, Eugeni Dodonov wrote: > On Sun, May 13, 2012 at 4:16 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote: > > Turn a fatal lockup into a merely blank display with lots of shouty > > messages. > > > > v2: Whilst in the area, convert the other BUG_ON into less fatal errors. > > In particular, note that we may be called on a PCH platform not using > > PLLs, such as Haswell, and so we do not always want to BUG_ON(!pll) > > I think that we need to keep in mind that we can have Haswell+PPT > combination, but I don't know what will happen in this case yet. > > So I'd suggest adding a: > > WARN_ON(pll == NULL && !HAS_PCH_LPT(dev)); > > as well somewhere in the checks. What do you think? Sounds sensible. Care to stitch together that patch? -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48