Name
drm_atomic_check_only —
check whether a given config would work
Synopsis
int drm_atomic_check_only ( | struct drm_atomic_state * state); |
Arguments
state
atomic configuration to check
Description
Note that this function can return -EDEADLK if the driver needed to acquire
more locks but encountered a deadlock. The caller must then do the usual w/w
backoff dance and restart. All other errors are fatal.
Returns
0 on success, negative error code on failure.