From: Maarten Lankhorst maarten.lankhorst@linux.intel.com
Doesn't need the full ww lock, only checking if pages are bound.
Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Cc: Thomas Hellström thomas.hellstrom@linux.intel.com --- drivers/gpu/drm/i915/i915_gem.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 58276694c848..b03e245640c0 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1051,10 +1051,14 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data, if (!obj) return -ENOENT;
- err = mutex_lock_interruptible(&obj->mm.lock); + err = i915_gem_object_lock_interruptible(obj, NULL); if (err) goto out;
+ err = mutex_lock_interruptible(&obj->mm.lock); + if (err) + goto out_ww; + if (i915_gem_object_has_pages(obj) && i915_gem_object_is_tiled(obj) && i915->quirks & QUIRK_PIN_SWIZZLED_PAGES) { @@ -1099,6 +1103,8 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data, args->retained = obj->mm.madv != __I915_MADV_PURGED; mutex_unlock(&obj->mm.lock);
+out_ww: + i915_gem_object_unlock(obj); out: i915_gem_object_put(obj); return err;