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H A D | i915_irq.c | diff bc5ead8c09b51e85d110132495a9bfa58dc39dab Tue May 07 07:10:29 CDT 2013 Jani Nikula <jani.nikula@intel.com> drm/i915: fix hotplug event bit tracking
commit 142e239849c800f9dc23f828762873073f612d3f Author: Egbert Eich <eich@suse.de> Date: Thu Apr 11 15:57:57 2013 +0200
drm/i915: Add bit field to record which pins have received HPD events (v3)
added a bit field for hotplug event tracking. There ended up being three different v3 of the patch: [1], [2], and [3]. Apparently [1] was the correct one, but some frankenstein combination of the three got committed, which reversed the logic for setting the hotplug bits and misplaced a continue statement, skipping the hotplug irq storm handling altogether.
This lead to broken hotplug detection, bisected to commit 321a1b3026ea194dd084cf3bda1e235b2986b0af Author: Egbert Eich <eich@suse.de> Date: Thu Apr 11 16:00:26 2013 +0200
drm/i915: Only reprobe display on encoder which has received an HPD event (v2)
which uses the incorrectly set hotplug event bits.
Fix the mess.
[1] http://mid.gmane.org/1366112220-7638-6-git-send-email-eich@suse.de [2] http://mid.gmane.org/1365688677-13682-1-git-send-email-eich@suse.de [3] http://mid.gmane.org/1365688996-13874-1-git-send-email-eich@suse.de
Signed-off-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> diff 142e239849c800f9dc23f828762873073f612d3f Thu Apr 11 08:57:57 CDT 2013 Egbert Eich <eich@suse.de> drm/i915: Add bit field to record which pins have received HPD events (v3)
This way it is possible to limit 're'-detect() of displays to connectors which have received an HPD event.
v2: Reordered drm_i915_private: Move hpd_event_bits to hpd state tracking. v3: Fixed merge conflicts with previous patches.
Signed-off-by: Egbert Eich <eich@suse.de> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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H A D | i915_drv.h | diff 142e239849c800f9dc23f828762873073f612d3f Thu Apr 11 08:57:57 CDT 2013 Egbert Eich <eich@suse.de> drm/i915: Add bit field to record which pins have received HPD events (v3)
This way it is possible to limit 're'-detect() of displays to connectors which have received an HPD event.
v2: Reordered drm_i915_private: Move hpd_event_bits to hpd state tracking. v3: Fixed merge conflicts with previous patches.
Signed-off-by: Egbert Eich <eich@suse.de> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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