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authorChris Wilson <chris@chris-wilson.co.uk>2010-09-09 23:51:02 +0100
committerDave Airlie <airlied@redhat.com>2010-09-13 20:29:11 +1000
commit7b334fcb45b757ffb093696ca3de1b0c8b4a33f1 (patch)
treefe56259639b9f1c993d742e27468087c46e51f05 /drivers/net/ni52.h
parent27849044ca6ff9c52f63271b511282acf6d1c251 (diff)
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drm: Use a nondestructive mode for output detect when polling
Destructive load-detection is very expensive and due to failings elsewhere can trigger system wide stalls of up to 600ms. A simple first step to correcting this is not to invoke such an expensive and destructive load-detection operation automatically. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=29536 Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16265 Reported-by: Bruno Prémont <bonbons@linux-vserver.org> Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
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