On Tue, Aug 13, 2024 at 11:56:09AM +0200, Greg Kroah-Hartman wrote: > 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? Oops, emails crossed. I'll go drop these now... greg k-h
