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    Subject[PATCH 2/2] drm: Change deadlock-avoidance algorithm for the modeset locks.
    Date
    For modeset locks we don't expect a high number of contending
    transactions so change algorithm from Wait-Die to Wound-Wait.

    Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
    ---
    drivers/gpu/drm/drm_modeset_lock.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c
    index f22a7ef41de1..294997765a2c 100644
    --- a/drivers/gpu/drm/drm_modeset_lock.c
    +++ b/drivers/gpu/drm/drm_modeset_lock.c
    @@ -70,7 +70,7 @@
    * lists and lookup data structures.
    */

    -static DEFINE_WW_CLASS(crtc_ww_class, true);
    +static DEFINE_WW_CLASS(crtc_ww_class, false);

    /**
    * drm_modeset_lock_all - take all modeset locks
    --
    2.14.3
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