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-rw-r--r--shared-core/i915_irq.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index 9db38706..fbc66749 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -153,14 +153,19 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
DRM_WAKEUP(&dev_priv->irq_queue);
if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
- if ((dev_priv->vblank_pipe &
+ int vblank_pipe = dev_priv->vblank_pipe;
+
+ if ((vblank_pipe &
(DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B))
== (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) {
if (temp & VSYNC_PIPEA_FLAG)
atomic_inc(&dev->vbl_received);
if (temp & VSYNC_PIPEB_FLAG)
atomic_inc(&dev->vbl_received2);
- } else
+ } else if (((temp & VSYNC_PIPEA_FLAG) &&
+ (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) ||
+ ((temp & VSYNC_PIPEB_FLAG) &&
+ (vblank_pipe & DRM_I915_VBLANK_PIPE_B)))
atomic_inc(&dev->vbl_received);
DRM_WAKEUP(&dev->vbl_queue);