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authorChris Wilson <chris@chris-wilson.co.uk>2019-10-04 14:40:12 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2019-10-04 15:39:40 +0100
commit6c3828ab098a8091c0fa8a24d1af8a5b779b6b4d (patch)
tree74687d3cf81255ebeebabaa7cbd59ad36c3c7c9b /drivers/gpu
parentba198a10bfbeb1137d8c25fa569b562e8b626b05 (diff)
drm/i915: Remove struct_mutex guard for debugfs/opregion
Having a struct_mutex around the read of a BIOS blob serves no purpose. 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/20191004134015.13204-18-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 77933b23070e..298a3e879e65 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1500,21 +1500,11 @@ static int i915_ring_freq_table(struct seq_file *m, void *unused)
static int i915_opregion(struct seq_file *m, void *unused)
{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct drm_device *dev = &dev_priv->drm;
- struct intel_opregion *opregion = &dev_priv->opregion;
- int ret;
-
- ret = mutex_lock_interruptible(&dev->struct_mutex);
- if (ret)
- goto out;
+ struct intel_opregion *opregion = &node_to_i915(m->private)->opregion;
if (opregion->header)
seq_write(m, opregion->header, OPREGION_SIZE);
- mutex_unlock(&dev->struct_mutex);
-
-out:
return 0;
}