[Skiboot] [PATCH] npu2: Disable TVT range check when in bypass mode
stewart at linux.vnet.ibm.com
Tue Feb 13 19:32:15 AEDT 2018
Alistair Popple <alistair at popple.id.au> writes:
> On POWER9 the GPUs need to be able to access the MMIO memory space. Therefore
> the TVT range check needs to include the MMIO address space. As any possible
> range check would cover all of memory anyway this patch just disables the TVT
> range check all together when bypassing the TCE tables.
> Signed-off-by: Alistair Popple <alistair at popple.id.au>
> hw/npu2.c | 39 +++++++--------------------------------
> 1 file changed, 7 insertions(+), 32 deletions(-)
merged to master (some weird merge conflict, but I figured it out - or
fat fingered it and everything is going to explode) as of
OPAL Architect, IBM.
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