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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 25/03/2020 20:16, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
> 
> 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@xxxxxxxxxx>
> ---
>  drivers/gpu/host1x/dev.c | 46 ++++++++++++++++++++++++++++++++++++----
>  1 file changed, 42 insertions(+), 4 deletions(-)

Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx>

Cheers
Jon

-- 
nvpublic



[Index of Archives]     [ARM Kernel]     [Linux ARM]     [Linux ARM MSM]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux