I've added an experimental support of the GART to the Tegra DRM driver and it ended up with a very positive result. During the testing of the GART driver I've noticed couple of its minor shortcomings, so here the patches to remedy them.
Dmitry Osipenko (4): iommu/tegra: gart: Don't unnecessarily allocate registers context iommu/tegra: gart: Check whether page is already mapped iommu/tegra: gart: Move PFN validation out of spinlock iommu/tegra: gart: Correct number of unmapped bytes drivers/iommu/tegra-gart.c | 49 +++++++++++++++++++++++++++++++++------------- 1 file changed, 35 insertions(+), 14 deletions(-) -- 2.13.2 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
