Re: [PATCH 1/3] drm/tegra: Relax IOMMU usage criteria on old Tegra

2020-02-06 Thread Dmitry Osipenko
04.02.2020 16:59, Thierry Reding пишет: > From: Thierry Reding > > Older Tegra devices only allow addressing 32 bits of memory, so whether > or not the host1x is attached to an IOMMU doesn't matter. host1x IOMMU > attachment is only needed on devices that can address memory beyond the > 32-bit bo

Re: [PATCH 1/3] drm/tegra: Relax IOMMU usage criteria on old Tegra

2020-02-06 Thread Dmitry Osipenko
04.02.2020 16:59, Thierry Reding пишет: > From: Thierry Reding > > Older Tegra devices only allow addressing 32 bits of memory, so whether > or not the host1x is attached to an IOMMU doesn't matter. host1x IOMMU > attachment is only needed on devices that can address memory beyond the > 32-bit bo

[PATCH 1/3] drm/tegra: Relax IOMMU usage criteria on old Tegra

2020-02-04 Thread Thierry Reding
From: Thierry Reding Older Tegra devices only allow addressing 32 bits of memory, so whether or not the host1x is attached to an IOMMU doesn't matter. host1x IOMMU attachment is only needed on devices that can address memory beyond the 32-bit boundary and where the host1x doesn't support the wide