On 25/03/2020 20:16, Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > When testing whether or not to enable the use of the SMMU, consult the > supported DMA mask rather than the actually configured DMA mask, since > the latter might already have been restricted. > > Fixes: 2d9384ff9177 ("drm/tegra: Relax IOMMU usage criteria on old Tegra") > Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> > --- > drivers/gpu/drm/tegra/drm.c | 3 ++- > drivers/gpu/host1x/dev.c | 13 +++++++++++++ > include/linux/host1x.h | 3 +++ > 3 files changed, 18 insertions(+), 1 deletion(-) Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx> Cheers Jon -- nvpublic