Forgot to mention, Ville: if you could get me an example of how to get vlv into an infinite loop with these patches I'd appreciate that. I haven't been able to reproduce this at all with the Valleyview machine I've got here. On Fri, 2016-06-17 at 17:58 -0400, Lyude wrote: > These are a couple of patches intended to fix one of the big problems > we have > with a lot of chipsets on i915 right now: in the various forms of > suspend we > use in the driver, many of them break HPD while active and can lead > to some > seriously confusing situations where they can't get their monitors to > turn on. > > The patches here for fixing Valleyview need to be used with Ville > Syrjälä's > patchset for (partially?) preventing valleyview from getting in an > infinite hpd > detect loop when doing polling: > > https://patchwork.freedesktop.org/series/5884/ > > It should also be noted some of these are resends, since the original > patches > never got picked up by patchwork > > Lyude (3): > drm/i915/vlv: Make intel_crt_reset() per-encoder > drm/i915/vlv: Reset the ADPA in vlv_display_power_well_init() > drm/i915: Enable polling when we don't have hpd > > Cc: stable@xxxxxxxxxxxxxxx > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx> > > drivers/gpu/drm/i915/i915_drv.c | 7 +++- > drivers/gpu/drm/i915/i915_drv.h | 3 ++ > drivers/gpu/drm/i915/intel_crt.c | 10 ++--- > drivers/gpu/drm/i915/intel_drv.h | 4 +- > drivers/gpu/drm/i915/intel_hotplug.c | 69 > ++++++++++++++++++++++++++++----- > drivers/gpu/drm/i915/intel_runtime_pm.c | 10 +++++ > 6 files changed, 86 insertions(+), 17 deletions(-) > -- Cheers, Lyude _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel