Hi Ricardo,
Thank you for the patch.
On Fri, Mar 12, 2021 at 11:25:39PM +0100, Ricardo Ribalda wrote:
> On architectures where there is no coherent caching such as ARM use the
> dma_alloc_noncontiguous API and handle manually the cache flushing using
> dma_sync_sgtable().
Maybe updating this bas
On architectures where there is no coherent caching such as ARM use the
dma_alloc_noncontiguous API and handle manually the cache flushing using
dma_sync_sgtable().
With this patch on the affected architectures we can measure up to 20x
performance improvement in uvc_video_copy_data_work().
Eg: aa