diff options
| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-04 14:40:11 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-04 15:39:40 +0100 |
| commit | ba198a10bfbeb1137d8c25fa569b562e8b626b05 (patch) | |
| tree | 72cc8d9d6398d342a70471dc5c6ee1774049501a | |
| parent | drm/i915/overlay: Drop struct_mutex guard (diff) | |
| download | wireguard-linux-ba198a10bfbeb1137d8c25fa569b562e8b626b05.tar.xz wireguard-linux-ba198a10bfbeb1137d8c25fa569b562e8b626b05.zip | |
drm/i915: Drop struct_mutex guard from debugfs/framebuffer_info
It protects nothing being accessed for the intel_framebuffer, so it's
own locking had better be sufficient.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191004134015.13204-17-chris@chris-wilson.co.uk
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index b04cebc26eca..77933b23070e 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1534,11 +1534,6 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data) struct drm_device *dev = &dev_priv->drm; 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 (dev_priv->fbdev && dev_priv->fbdev->helper.fb) { @@ -1573,7 +1568,6 @@ 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; } |