Messages in this thread Patch in this message | | | From | Thomas Hellstrom <> | Subject | [PATCH RFC 2/2] drm: Change deadlock-avoidance algorithm for the modeset locks. | Date | Fri, 25 May 2018 14:38:55 +0200 |
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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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