drm/amdkfd: expose host gpu link via sysfs (v2)

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Currently host-gpu io link is always reported as PCIe however, on some
A+A systems, there could be one xgmi link available. This change exposes
xgmi link via sysfs when it is present.

v2: fix includes (Alex)

Reviewed-by: Oak Zeng <oak.zeng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Rajneesh Bhardwaj 2020-04-21 18:00:07 -04:00 • committed by Alex Deucher

parent 3cbb3a9749

commit d34184e3e3

1 changed files with 15 additions and 1 deletions

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drivers/gpu/drm/amd/amdkfd/kfd_crat.c

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