04.02.2020 16:59, Thierry Reding пишет: > From: Thierry Reding <[email protected]> > > 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 GATHER > opcode that allows it to access buffers at higher addresses. > > Signed-off-by: Thierry Reding <[email protected]>
This needs a stable tag: Cc: <[email protected]> # v5.5 > --- > drivers/gpu/drm/tegra/drm.c | 49 ++++++++++++++++++++++++------------- > 1 file changed, 32 insertions(+), 17 deletions(-) Otherwise, Reviewed-by: Dmitry Osipenko <[email protected]> _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
