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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-09 23:51:02 +0100 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2010-09-13 20:29:11 +1000 |
| commit | 7b334fcb45b757ffb093696ca3de1b0c8b4a33f1 (patch) | |
| tree | fe56259639b9f1c993d742e27468087c46e51f05 /drivers/scsi/mpt2sas/mpt2sas_ctl.c | |
| parent | drm/radeon: add some missing copyright headers (diff) | |
| download | wireguard-linux-7b334fcb45b757ffb093696ca3de1b0c8b4a33f1.tar.xz wireguard-linux-7b334fcb45b757ffb093696ca3de1b0c8b4a33f1.zip | |
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>
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_ctl.c')
0 files changed, 0 insertions, 0 deletions