Hi Tobias,
On 2017-10-20 15:59, Tobias Jakobi wrote:
Hey Marek and others,
just wanted to point out that I've also played around with Seung-Woo' patch for
a while. However this patch alone is very much incomplete.
In particular this is missing:
- At least v5 MFC hw needs source buffers to be
Hey Marek and others,
just wanted to point out that I've also played around with Seung-Woo' patch for
a while. However this patch alone is very much incomplete.
In particular this is missing:
- At least v5 MFC hw needs source buffers to be also writable, so dma mapping
needs to be setup
From: Seung-Woo Kim
There is memory constraint for the buffers in V5 of the MFC hardware, but
when IOMMU is used, then this constraint is meaningless. Other version of
the MFC hardware don't have such limitations. So in such cases the driver
is able to use buffers placed