diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 1d8858d7973d..03e806ce75ea 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1518,26 +1518,23 @@ i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data, { struct drm_i915_gem_sw_finish *args = data; struct drm_i915_gem_object *obj; - int ret = 0; - - ret = i915_mutex_lock_interruptible(dev); - if (ret) - return ret; + int err = 0; obj = i915_gem_object_lookup(file, args->handle); - if (!obj) { - ret = -ENOENT; - goto unlock; - } + if (!obj) + return -ENOENT; /* Pinned buffers may be scanout, so flush the cache */ - if (obj->pin_display) - i915_gem_object_flush_cpu_write_domain(obj); + if (READ_ONCE(obj->pin_display)) { + err = i915_mutex_lock_interruptible(dev); + if (!err) { + i915_gem_object_flush_cpu_write_domain(obj); + mutex_unlock(&dev->struct_mutex); + } + } - i915_gem_object_put(obj); -unlock: - mutex_unlock(&dev->struct_mutex); - return ret; + i915_gem_object_put_unlocked(obj); + return err; } /** |