diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ec3fe92cfd4..4fe8d0a9975 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2300,6 +2300,8 @@ void gen6_set_rps(struct drm_device *dev, u8 val) struct drm_i915_private *dev_priv = dev->dev_private; u32 limits = gen6_rps_limits(dev_priv, &val); + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + if (val == dev_priv->cur_delay) return; |