On 25/09/2019 11:01, Chris Wilson wrote:
Having a struct_mutex around the read of a BIOS blob serves no purpose.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 5e984ba27bef..8f48f2543b7c 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1411,21 +1411,11 @@ 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;
}
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Regards,
Tvrtko
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