diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 74f227415765..6b384d7738f1 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -134,6 +134,8 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) int pin_count = 0; enum intel_engine_id id; + lockdep_assert_held(&obj->base.dev->struct_mutex); + seq_printf(m, "%pK: %s%s%s%s %8zdKiB %02x %02x [ ", &obj->base, obj->active ? "*" : " ", @@ -1894,6 +1896,11 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data) struct drm_device *dev = node->minor->dev; struct intel_framebuffer *fbdev_fb = NULL; struct drm_framebuffer *drm_fb; + int ret; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; #ifdef CONFIG_DRM_FBDEV_EMULATION if (to_i915(dev)->fbdev) { @@ -1928,6 +1935,7 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data) seq_putc(m, '\n'); } mutex_unlock(&dev->mode_config.fb_lock); + mutex_unlock(&dev->struct_mutex); return 0; } |