Commit 0c912c79 authored Oct 15, 2013 by Damien Lespiau Committed by Daniel Vetter Oct 16, 2013

drm/i915: Warn if we receive an interrupt after freeing the buffer



This shouldn't happen as the buffer is freed after disable pipe CRCs,
but better be safe than sorry.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent bd9db02f

drivers/gpu/drm/i915/i915_irq.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1197,6 +1197,11 @@ static void ivb_pipe_crc_update(struct drm_device *dev, enum pipe pipe)
		struct intel_pipe_crc_entry *entry;
		int head, tail;

		if (!pipe_crc->entries) {
		DRM_ERROR("spurious interrupt\n");
		return;
		}

		head = atomic_read(&pipe_crc->head);
		tail = atomic_read(&pipe_crc->tail);