On Sat, May 19, 2018 at 04:07:10AM +0300, Dmitry Osipenko wrote: > Host1x's CDMA can't access the command buffers if IOMMU and Host1x > firewall are enabled in the kernels config because firewall doesn't map > the copied buffer into IOVA space. Fix this by skipping IOMMU > initialization if firewall is enabled as firewall merges sparse cmdbufs > into a single contiguous buffer and hence IOMMU isn't needed in this case. > > Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> > --- > drivers/gpu/host1x/dev.c | 3 +++ > 1 file changed, 3 insertions(+) Applied to drm/tegra/fixes, thanks. Thierry
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