On Fri, 7 Feb 2014, Jani Nikula wrote: > >> > git://people.freedesktop.org/~airlied/linux drm-next > >> [ ... snip ... ] > >> > Daniel Vetter (59): > >> [ ... snip ... ] > >> > drm/i915: dp aux irq support for g4x/vlv > >> > >> This commit causes all kinds of havoc on my ThinkPad x200s. It results in > > [ ... snip ... ] > > > > Not having received any response, I suggest the following for 3.14 > > Daniel, it's your commit this bisects to... > > If we end up having to revert, I'd just touch the has_aux_irq part, for > example: > > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c > index 5ede4e8..464c047 100644 > --- a/drivers/gpu/drm/i915/intel_dp.c > +++ b/drivers/gpu/drm/i915/intel_dp.c > @@ -404,7 +404,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, > int i, ret, recv_bytes; > uint32_t status; > int try, precharge, clock = 0; > - bool has_aux_irq = true; > + bool has_aux_irq = INTEL_INFO(dev)->gen >= 5; > uint32_t timeout; > > /* dp aux is extremely sensitive to irq latency, hence request the That, obviously, works for my system as well. Feel free to add Reported-and-tested-by: Jiri Kosina <jkosina@xxxxxxx> if you are going with this instead of the revert. -- Jiri Kosina SUSE Labs _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
