On Tue, Dec 13, 2016 at 08:54:14PM +0100, Daniel Vetter wrote: > It's been unfixed since a while and no one is immediately working on > this. And we have the FIXME already. And now also a task in the DP > team's backlog. > > Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > References: https://lists.freedesktop.org/archives/intel-gfx/2016-July/101951.html > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx> > --- > Hi Linus, > > Feel free to apply directly in case it annoys too much and you don't > want to wait for your presents ;-) > > Cheers, Daniel > --- > drivers/gpu/drm/i915/intel_dp.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c > index db75bb924e48..6e875d42642a 100644 > --- a/drivers/gpu/drm/i915/intel_dp.c > +++ b/drivers/gpu/drm/i915/intel_dp.c > @@ -4014,8 +4014,8 @@ intel_dp_check_link_status(struct intel_dp *intel_dp) > return; > > /* FIXME: we need to synchronize this sort of stuff with hardware > - * readout */ > - if (WARN_ON_ONCE(!intel_dp->lane_count)) > + * readout. Currently fast link training doesn't work on boot-up. */ s/fast link training/link retraining/ is what I'd put there. I'm a bit sad to hide it but doesn't look like the proper solution is going to happen any time soon. Acked-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > + if (!intel_dp->lane_count) > return; > > /* if link training is requested we should perform it always */ > -- > 2.11.0 -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
