From: Ville Syrjälä <ville.syrj...@linux.intel.com>
We expect vlv_display_irq_reset() to have been called prior to
vlv_display_irq_postinstall() so let's WARN if that isn't the case.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_irq.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index f6815e47d8de..872f93dc68ff 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3318,6 +3318,9 @@ static void vlv_display_irq_postinstall(struct
drm_i915_private *dev_priv)
I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
if (IS_CHERRYVIEW(dev_priv))
enable_mask |= I915_DISPLAY_PIPE_C_EVENT_INTERRUPT;
+
+ WARN_ON(dev_priv->irq_mask != ~0);
+
dev_priv->irq_mask = ~enable_mask;
GEN5_IRQ_INIT(VLV_, dev_priv->irq_mask, enable_mask);
--
2.7.4
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