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authorHirokazu Honda <hiroh@chromium.org>2021-05-13 11:29:45 +0900
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-05-24 05:55:42 +0300
commit89dae58449648660e586322059de1cbe760832f9 (patch)
tree6dbda27b40130c398e5232f9e20e898c82e6023a /include/linux/dma-buf.h
parentfd1cbe84476b25b458c3dbe78ec6c55e774ce435 (diff)
libcamera: pipeline: ipu3: Store requests in the case a buffer shortage
PipelineHandlerIPU3 returns -ENOBUFS and -ENOMEM on queueing a request when there are not sufficient buffers for the request. Since the request will be successful if it is queued later when enough buffers are available. The requests failed due to a buffer shortage should be stored and retried later in the FIFO order. This introduces the queue in IPU3CameraData to do that. Signed-off-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'include/linux/dma-buf.h')
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