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| author | Jonathan Kim <jonathan.kim@amd.com> | 2021-01-27 15:24:59 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-11 14:47:25 +0200 |
| commit | 7b3eb98a3ef464d7da7dd471c63514acf4ee225d (patch) | |
| tree | 9c3156d354623b47a482c9958bde2a50120ef42d /drivers/gpu/drm/amd/acp/include | |
| parent | 61c1ddd29f87f83a1b010f4dc3ba506946977123 (diff) | |
| download | kernel_replicant_linux-7b3eb98a3ef464d7da7dd471c63514acf4ee225d.tar.gz kernel_replicant_linux-7b3eb98a3ef464d7da7dd471c63514acf4ee225d.tar.bz2 kernel_replicant_linux-7b3eb98a3ef464d7da7dd471c63514acf4ee225d.zip | |
drm/amdgpu: mask the xgmi number of hops reported from psp to kfd
[ Upstream commit 4ac5617c4b7d0f0a8f879997f8ceaa14636d7554 ]
The psp supplies the link type in the upper 2 bits of the psp xgmi node
information num_hops field. With a new link type, Aldebaran has these
bits set to a non-zero value (1 = xGMI3) so the KFD topology will report
the incorrect IO link weights without proper masking.
The actual number of hops is located in the 3 least significant bits of
this field so mask if off accordingly before passing it to the KFD.
Signed-off-by: Jonathan Kim <jonathan.kim@amd.com>
Reviewed-by: Amber Lin <amber.lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/acp/include')
0 files changed, 0 insertions, 0 deletions