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drm/i915: fix typo in display IRQ mask when disabling IRQs 

Introduced in
commit e0e33f8ff6f0b6d286afc314802be4993341bd47
Author: Imre Deak <imre.deak@intel.com>
Date:   Tue Mar 4 19:23:07 2014 +0200

The impact was luckily minimal, due to the extra check we do against a
software pipestat IRQ mask.

Caught by Fengguang's 0-day tester.

Cc: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Imre Deak 2014-03-10 19:44:48 +02:00 committed by Daniel Vetter
parent c6f1495d4c
commit 6c7fba04ec
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_irq.c
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@ -3074,7 +3074,7 @@ static void valleyview_display_irqs_uninstall(struct drm_i915_private *dev_priv)
iir_mask = I915_DISPLAY_PORT_INTERRUPT |
I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
I915_DISPLAY_PIPE_A_EVENT_INTERRUPT;
I915_DISPLAY_PIPE_B_EVENT_INTERRUPT;
dev_priv->irq_mask |= iir_mask;
I915_WRITE(VLV_IER, ~dev_priv->irq_mask);