From: Ville Syrjälä <ville.syrj...@linux.intel.com>
WARN_ON(!spin_is_locked()) is not a good idea on a UP system w/o
spinlock debugging. Use WARN_ON_SMP() instead.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_panel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_panel.c
b/drivers/gpu/drm/i915/intel_panel.c
index 56f17b2..80bea1d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -332,7 +332,7 @@ static u32 i915_read_blc_pwm_ctl(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
u32 val;
- WARN_ON(!spin_is_locked(&dev_priv->backlight.lock));
+ WARN_ON_SMP(!spin_is_locked(&dev_priv->backlight.lock));
/* Restore the CTL value if it lost, e.g. GPU reset */
--
1.8.1.5
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