2015-08-19 15:13 GMT-03:00 <ville.syrjala@xxxxxxxxxxxxxxx>: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Runtime suspends disabled all interrupts, so in order to get them back > fully we need to also do the HPD irq setup on runtime resume. Except > on VLV/CHV where the display interrupt initialization is part of the > display power well powerup. > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/i915_drv.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c > index 1d88745..4bbd3b7 100644 > --- a/drivers/gpu/drm/i915/i915_drv.c > +++ b/drivers/gpu/drm/i915/i915_drv.c > @@ -1549,6 +1549,15 @@ static int intel_runtime_resume(struct device *device) > gen6_update_ring_freq(dev); > > intel_runtime_pm_enable_interrupts(dev_priv); > + > + /* > + * On VLV/CHV display interrupts are part of the display > + * power well, so hpd is reinitialized from there. For > + * everyone else do it here. > + */ > + if (!IS_VALLEYVIEW(dev_priv)) > + intel_hpd_init(dev_priv); Maybe we should put this inside intel_runtime_pm_enable_interrupts()? Either way: Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > + > intel_enable_gt_powersave(dev); > > if (ret) > -- > 2.4.6 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Paulo Zanoni _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
