Re: [PATCH v1] gpu: host1x: Utilize IOMMU mapping for firewall-copied buffers

2018-05-18 Thread Dmitry Osipenko
On 19.05.2018 02:52, Dmitry Osipenko wrote: > Map firewall-copied buffers into Host1x's IOVA space, otherwise Host1x > CDMA can't access the command buffers and all submitted jobs fail if IOMMU > and Host1x firewall are enabled in the kernels config. > > Signed-off-by: Dmitry Osipenko > --- > dr

[PATCH v1] gpu: host1x: Utilize IOMMU mapping for firewall-copied buffers

2018-05-18 Thread Dmitry Osipenko
Map firewall-copied buffers into Host1x's IOVA space, otherwise Host1x CDMA can't access the command buffers and all submitted jobs fail if IOMMU and Host1x firewall are enabled in the kernels config. Signed-off-by: Dmitry Osipenko --- drivers/gpu/host1x/job.c | 58 ++