drm/i915: wake up all pageflip waiters

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Otherwise it seems like we can get stuck with concurrent waiters.
Right now this /shouldn't/ be a problem, since all pending pageflip
waiters are serialized by the one mode_config.mutex, so there's at
most on waiter. But better paranoid than sorry, since this is tricky
code.

v2: WARN_ON(waitqueue_active) before waiting, as suggested by Chris
Wilson.

Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Daniel Vetter 2012-12-20 21:24:07 +01:00

parent b5cc6c0387

commit 2c10d57116

1 changed files with 5 additions and 1 deletions

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6

drivers/gpu/drm/i915/intel_display.c

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