On Fri, Jul 10, 2015 at 12:30:43PM +0530, Sivakumar Thulasimani wrote: > From: "Thulasimani,Sivakumar" <sivakumar.thulasimani@xxxxxxxxx> > > Update the hotplug documentation to explain that hotplug storm > is not expected for Display port panels and hence is not handled > in current code. > > v2: update the statements as recommended by Daniel > > Signed-off-by: Sivakumar Thulasimani <sivakumar.thulasimani@xxxxxxxxx> Queued for -next, thanks for the patch. -Daniel > --- > drivers/gpu/drm/i915/intel_hotplug.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c > index bac91a1..3c9171f 100644 > --- a/drivers/gpu/drm/i915/intel_hotplug.c > +++ b/drivers/gpu/drm/i915/intel_hotplug.c > @@ -66,6 +66,14 @@ > * while before being re-enabled. The intention is to mitigate issues raising > * from broken hardware triggering massive amounts of interrupts and grinding > * the system to a halt. > + * > + * Current implementation expects that hotplug interrupt storm will not be > + * seen when display port sink is connected, hence on platforms whose DP > + * callback is handled by i915_digport_work_func reenabling of hpd is not > + * performed (it was never expected to be disabled in the first place ;) ) > + * this is specific to DP sinks handled by this routine and any other display > + * such as HDMI or DVI enabled on the same port will have proper logic since > + * it will use i915_hotplug_work_func where this logic is handled. > */ > > enum port intel_hpd_pin_to_port(enum hpd_pin pin) > -- > 1.7.9.5 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
