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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/gpu/drm/drm_modeset_lock.c | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/gpu/drm/drm_modeset_lock.c')
-rw-r--r-- | drivers/gpu/drm/drm_modeset_lock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c index fba321ca4..6675b1428 100644 --- a/drivers/gpu/drm/drm_modeset_lock.c +++ b/drivers/gpu/drm/drm_modeset_lock.c @@ -307,6 +307,8 @@ static inline int modeset_lock(struct drm_modeset_lock *lock, WARN_ON(ctx->contended); if (ctx->trylock_only) { + lockdep_assert_held(&ctx->ww_ctx); + if (!ww_mutex_trylock(&lock->mutex)) return -EBUSY; else |