27 Jul
2018
27 Jul
'18
8:25 a.m.
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