Messages in this thread | | | From | Dmitry Osipenko <> | Subject | Re: [PATCH v1] gpu: host1x: Skip IOMMU initialization if firewall is enabled | Date | Sat, 07 Jul 2018 14:07:01 +0300 |
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On Saturday, 19 May 2018 04:07:10 MSK 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@gmail.com>
Thierry, please consider applying this patch.
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