drm/i915: Only WARN about a stuck hotplug irq ONCE

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It seems that hardware that is broken enough to emit a hotplug IRQ even
though the pin is surposedly disable, will do so indefinitely.

Note: There's a good chance the underlying issue has been fixed with

commit 0ce99f749b
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Jul 26 11:27:49 2013 +0200

    drm/i915: fix gen4 digital port hotplug definitions

References: https://bugzilla.redhat.com/show_bug.cgi?id=1051170
Link: https://bugzilla.redhat.com/attachment.cgi?id=847786
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Add note about the potential fix.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

...

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Chris Wilson 2014-01-10 18:49:20 +00:00 • committed by Daniel Vetter

parent 704cfb8788

commit 3432087ef8

1 changed files with 3 additions and 3 deletions

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drivers/gpu/drm/i915/i915_irq.c

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