This shouldn't happen as the buffer is freed after disable pipe CRCs, but better be safe than sorry.
Signed-off-by: Damien Lespiau <[email protected]> --- drivers/gpu/drm/i915/i915_irq.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 0b21828..b201a21 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -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); -- 1.8.3.1 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
