On Tue, Aug 13, 2024 at 11:09:24AM +0200, Michael Grzeschik wrote: > This patch series is improving the size calculation and allocation of > the uvc requests. Using the selected frame duration of the stream it is > possible to calculate the number of requests based on the interval > length. > > It also precalculates the request length based on the actual per frame > size for compressed formats. > > For this calculations to work it was needed to rework the request > queueing by moving the encoding to one extra thread (in this case we > chose the qbuf) context. > > Next it was needed to move the actual request enqueueing to one extra > thread which is kept busy to fill the isoc queue in the udc. > > As a final step the series is increasing the minimum amount of > v4l2 buffers to 4 and allocates at least the amount of usb_requests > to store them in the usb gadgte isoc pipeline. > > Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx> > --- > Changes in v4: > - fixed exit path in uvc_enqueue_buffer on loop break > - Link to v3: https://lore.kernel.org/r/20240403-uvc_request_length_by_interval-v3-0-4da7033dd488@xxxxxxxxxxxxxx I just took v3 in my tree, should I drop them? thanks, greg k-h
