[PATCH v2] drm/i915: Send a hotplug event on resume instead of an IRQ event

2015-12-16 Thread Daniel Vetter
On Tue, Dec 15, 2015 at 05:25:56PM -0500, Lyude wrote: > We currently call drm_helper_hpd_irq_event() to handle reprobing > displays on resume, however drm_helper_hpd_irq_event() only checks the > status of hpd. HPD doesn't update if the displays connected changed > before resuming the system, and

[PATCH v2] drm/i915: Send a hotplug event on resume instead of an IRQ event

2015-12-15 Thread Lyude
We currently call drm_helper_hpd_irq_event() to handle reprobing displays on resume, however drm_helper_hpd_irq_event() only checks the status of hpd. HPD doesn't update if the displays connected changed before resuming the system, and as such causes us not to detect any connection changes after re