On Fri, Jul 27, 2018 at 02:16:18AM +0300, Dmitry Osipenko wrote:
> The proposed solution adds a new option to the base device driver
> structure that allows device drivers to explicitly convey to the drivers
> core that the implicit IOMMU backing for devices must not happen.
Why is IOMMU mapping a problem for the Tegra GPU driver?
If we add something like this then it should not be the choice of the
device driver, but of the user and/or the firmware.
Joerg
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