drm/i915: remove unused vblank_enable var from i915_driver_irq_handler

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index dba53d4..390d111 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -842,7 +842,6 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
        u32 iir, new_iir;
        u32 pipea_stats, pipeb_stats;
        u32 vblank_status;
-       u32 vblank_enable;
        int vblank = 0;
        unsigned long irqflags;
        int irq_received;
@@ -856,13 +855,10 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 
        iir = I915_READ(IIR);
 
-       if (IS_I965G(dev)) {
+       if (IS_I965G(dev))
                vblank_status = I915_START_VBLANK_INTERRUPT_STATUS;
-               vblank_enable = PIPE_START_VBLANK_INTERRUPT_ENABLE;
-       } else {
+       else
                vblank_status = I915_VBLANK_INTERRUPT_STATUS;
-               vblank_enable = I915_VBLANK_INTERRUPT_ENABLE;
-       }
 
        for (;;) {
                irq_received = iir != 0;