drm/i915: Make irq_received bool

irq_received is used as a boolean in i965_irq_handler(), so make it
bool. This also makes i965_irq_handler() closer to i915_irq_handler().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewd-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 b67ceeb..cbccadd 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3613,7 +3613,6 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
        u32 iir, new_iir;
        u32 pipe_stats[I915_MAX_PIPES];
        unsigned long irqflags;
-       int irq_received;
        int ret = IRQ_NONE, pipe;
        u32 flip_mask =
                I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
@@ -3624,10 +3623,9 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
        iir = I915_READ(IIR);
 
        for (;;) {
+               bool irq_received = (iir & ~flip_mask) != 0;
                bool blc_event = false;
 
-               irq_received = (iir & ~flip_mask) != 0;
-
                /* Can't rely on pipestat interrupt bit in iir as it might
                 * have been cleared after the pipestat interrupt was received.
                 * It doesn't set the bit in iir again, but it still produces
@@ -3649,7 +3647,7 @@ static irqreturn_t i965_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;
+                               irq_received = true;
                        }
                }
                spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);