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drm/i915: fixup up debugfs rps state handling
[GitHub/MotorolaMobilityLLC/kernel-slsi.git]
/
drivers
/
gpu
/
drm
/
i915
/
intel_pm.c
diff --git
a/drivers/gpu/drm/i915/intel_pm.c
b/drivers/gpu/drm/i915/intel_pm.c
index ec3fe92cfd449b7271ce1bfc27bf3f0902d21e08..4fe8d0a9975b3ecdf500d65fadf1e57a1159d900 100644
(file)
--- 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;