On 5/15/19 1:10 PM, Manuel Lauss wrote: > 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> Patch queued for v5.3, thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics