Re: [PATCH 2/3] au1200fb: fix DMA API abuse

[Manuel Lauss]

Servus Christoph,

On Thu, May 9, 2019 at 7:39 PM Christoph Hellwig <hch@xxxxxx> wrote:
> Virtual addresses return from dma(m)_alloc_attrs are opaque in what
> backs then, and drivers must not poke into them.  Similarly caching
> modes are not supposed to be directly set by the driver.  Switch the
> driver to use the generic DMA API mmap helper to avoid these problems.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  drivers/video/fbdev/au1200fb.c | 19 ++++---------------
>  1 file changed, 4 insertions(+), 15 deletions(-)

Runs fine on my test system.

Tested-by: Manuel Lauss <manuel.lauss@xxxxxxxxx>