[PATCH 2/2] gpu: host1x: Use SMMU on Tegra124 and Tegra210

[Jon Hunter]

On 25/03/2020 20:16, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
> 
> Tegra124 and Tegra210 support addressing more than 32 bits of physical
> memory. However, since their host1x does not support the wide GATHER
> opcode, they should use the SMMU if at all possible to ensure that all
> the system memory can be used for command buffers, irrespective of
> whether or not the host1x firewall is enabled.
> 
> Signed-off-by: Thierry Reding <treding at nvidia.com>
> ---
>  drivers/gpu/host1x/dev.c | 46 ++++++++++++++++++++++++++++++++++++----
>  1 file changed, 42 insertions(+), 4 deletions(-)

Tested-by: Jon Hunter <jonathanh at nvidia.com>

Cheers
Jon

-- 
nvpublic