From: Daniel Vetter Date: Thu, 20 Dec 2012 20:24:07 +0000 (+0100) Subject: drm/i915: wake up all pageflip waiters X-Git-Tag: v3.9-rc1~83^2~36^2~100 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c10d571169abab9181e0c91b259e0c4e392bc5b;p=pandora-kernel.git drm/i915: wake up all pageflip waiters 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 Signed-off-by: Daniel Vetter --- Reading git-diff-tree failed