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authorChris Wilson <[email protected]>2019-10-04 14:40:11 +0100
committerChris Wilson <[email protected]>2019-10-04 15:39:40 +0100
commitba198a10bfbeb1137d8c25fa569b562e8b626b05 (patch)
tree72cc8d9d6398d342a70471dc5c6ee1774049501a
parentcb5eb072788faea188bfabcee0bfb90ecc717e82 (diff)
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 <[email protected]> Reviewed-by: Tvrtko Ursulin <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c6
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;
}