Hi Hans, On Sat, Nov 02, 2019 at 03:06:07PM +0100, Hans Verkuil wrote: > - Continue work on my old patch series dealing with dma_buf_begin/end_cpu_access(): > > https://git.linuxtv.org/hverkuil/media_tree.git/log/?h=vb2-cpu-access > > This series converts most drivers to use these dmabuf functions. > > See also this thread: https://patchwork.kernel.org/patch/7159871/ > As mentioned in my last reply, the outstanding drivers that are not > converted are netup_unidvb, coda, exynos4-is, rcar_jpu and au0828: > as far as I remember I did not know how to convert coda and exynos4-is > and never found the time to figure that out. The others are new and need > to be looked at again. There are probably more drivers that need work > since my patch series is from September 2015. I've worked on the set since; it's here: <URL:https://git.linuxtv.org/sailus/media_tree.git/log/?h=vb2-dc-noncoherent> It does address other issues as well. There are likely topics that will need to be discussed. I remember I got somewhat stuck converting drivers (coda?) that accessed the buffer data whilst the hardware was operating on it. -- Regards, Sakari Ailus
