diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2018-06-14 03:29:22 -0400 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2018-07-03 03:46:05 -0400 |
| commit | 07c13bb78c8b8a9cb6ee169659528945038d5e85 (patch) | |
| tree | 25705151c707f97c7861e89e2b5aebbf92b14055 | |
| parent | 08295b3b5beec9aac0f7a9db86f0fc3792039da3 (diff) | |
drm: Change deadlock-avoidance algorithm for the modeset locks.
For modeset locks we don't expect a high number of contending
transactions so change algorithm from Wait-Die to Wound-Wait.
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/drm_modeset_lock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c index 638be2eb67b4..8a5100685875 100644 --- a/drivers/gpu/drm/drm_modeset_lock.c +++ b/drivers/gpu/drm/drm_modeset_lock.c | |||
| @@ -70,7 +70,7 @@ | |||
| 70 | * lists and lookup data structures. | 70 | * lists and lookup data structures. |
| 71 | */ | 71 | */ |
| 72 | 72 | ||
| 73 | static DEFINE_WD_CLASS(crtc_ww_class); | 73 | static DEFINE_WW_CLASS(crtc_ww_class); |
| 74 | 74 | ||
| 75 | /** | 75 | /** |
| 76 | * drm_modeset_lock_all - take all modeset locks | 76 | * drm_modeset_lock_all - take all modeset locks |