On Tue, May 7, 2019 at 8:37 AM Christoph Hellwig <h...@lst.de> wrote:
> On Mon, May 06, 2019 at 03:49:35PM +0200, Bartlomiej Zolnierkiewicz wrote: > > > > On 04/30/2019 01:00 PM, Christoph Hellwig wrote: > > > Virtual addresses return from dma(m)_alloc_coherent are opaque in what > > > backs then, and drivers must not poke into them. Switch the driver > > > to use the generic DMA API mmap helper to avoid these games. > > > > > > Signed-off-by: Christoph Hellwig <h...@lst.de> > > > > Acked-by: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com> > > Given this actually fixes issues with the current driver, what do you > think of taking it for 5.2 through your tree? Also au1200fb has > basically the same issues, just without abusing the CAC_ADDR helper, > I could send you a patch for that one as well. > Please do, I have hardware to test if required. Manuel
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