drm/i915: remove unused leftover variable irq_received

It's been there since i8xx_irq_handler() was added in
commit c2798b19bac2538393fc932bfbe59807a4734b3e
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Sun Apr 22 21:13:57 2012 +0100

    drm/i915: i8xx interrupt handler

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8a77faf4927ddbee0fadca3cea99b39dc1448ab3..34467ed4f9da9d57491b4c7953f7bb569771b0e2 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2403,7 +2403,6 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
        u16 iir, new_iir;
        u32 pipe_stats[2];
        unsigned long irqflags;
-       int irq_received;
        int pipe;
        u16 flip_mask =
                I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
@@ -2437,7 +2436,6 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
                                        DRM_DEBUG_DRIVER("pipe %c underrun\n",
                                                         pipe_name(pipe));
                                I915_WRITE(reg, pipe_stats[pipe]);
-                               irq_received = 1;
                        }
                }
                spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);