diff options
Diffstat (limited to 'intel/intel_bufmgr_gem.c')
| -rw-r--r-- | intel/intel_bufmgr_gem.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index 78875fd3..33d8fbc4 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -1655,12 +1655,14 @@ drm_intel_gem_bo_wait_rendering(drm_intel_bo *bo) * * @bo: buffer object to wait for * @timeout_ns: amount of time to wait in nanoseconds. - * If value is less than 0, an infinite wait will occur. + * If value is less than or equal to 0, return immediately. * - * Returns 0 if the wait was successful ie. the last batch referencing the - * object has completed within the allotted time. Otherwise some negative return - * value describes the error. Of particular interest is -ETIME when the wait has - * failed to yield the desired result. + * Returns 0 if the wait was successful ie. the last batch referencing + * the object has completed within the allotted time. Otherwise some + * negative return value describes the error. Of particular interest + * is -ETIME when the wait has failed to yield the desired result. + * Use a timeout of INT64_MAX to wait indefinitely (well, at least 292 + * years). * * Similar to drm_intel_gem_bo_wait_rendering except a timeout parameter allows * the operation to give up after a certain amount of time. Another subtle |