Message ID | 1462364980-9973-1-git-send-email-daniel.vetter@ffwll.ch (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Wed, May 4, 2016 at 8:29 AM, Daniel Vetter <daniel.vetter@ffwll.ch> wrote: > Embarrassingly while fixing up the old paths for i915 I managed to > misplace a locking check for the new _unlocked paths. That's what I > get for not retesting on radeon. > > Fixes: 9f0ba539d13a ("drm/gem: support BO freeing without dev->struct_mutex") > Cc: Chris Wilson <chris@chris-wilson.co.uk> > Cc: Alex Deucher <alexdeucher@gmail.com> > Cc: Lucas Stach <l.stach@pengutronix.de> > Tested-by: Chris Wilson <chris@chris-wilson.co.uk> > Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> > --- > drivers/gpu/drm/drm_gem.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c > index 973eb8805ce0..f716308fb48c 100644 > --- a/drivers/gpu/drm/drm_gem.c > +++ b/drivers/gpu/drm/drm_gem.c > @@ -804,12 +804,13 @@ drm_gem_object_free(struct kref *kref) > container_of(kref, struct drm_gem_object, refcount); > struct drm_device *dev = obj->dev; > > - WARN_ON(!mutex_is_locked(&dev->struct_mutex)); > - > - if (dev->driver->gem_free_object_unlocked) > + if (dev->driver->gem_free_object_unlocked) { > dev->driver->gem_free_object_unlocked(obj); > - else if (dev->driver->gem_free_object) > + } else if (dev->driver->gem_free_object) { > + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); > + > dev->driver->gem_free_object(obj); > + } > } > EXPORT_SYMBOL(drm_gem_object_free); > > -- > 2.8.1 >
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 973eb8805ce0..f716308fb48c 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -804,12 +804,13 @@ drm_gem_object_free(struct kref *kref) container_of(kref, struct drm_gem_object, refcount); struct drm_device *dev = obj->dev; - WARN_ON(!mutex_is_locked(&dev->struct_mutex)); - - if (dev->driver->gem_free_object_unlocked) + if (dev->driver->gem_free_object_unlocked) { dev->driver->gem_free_object_unlocked(obj); - else if (dev->driver->gem_free_object) + } else if (dev->driver->gem_free_object) { + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + dev->driver->gem_free_object(obj); + } } EXPORT_SYMBOL(drm_gem_object_free);