drm/amdgpu: add sriov nbio callback structure

Browse source

[Why]
under SR-IOV, the nbio doorbell range will be defined by PF. So VF
nbio doorbell range registers will be blocked. It will cause violation
if VF access those registers directly.

[How]
create an nbio_v4_3_sriov_funcs for sriov nbio_v4_3 initialization to
skip the setting for the doorbell range registers.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Horace Chen <horace.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Horace Chen 2022-07-21 11:57:44 +08:00 • committed by Alex Deucher

parent 09872b1c24

commit 119dc6c50e

3 changed files with 49 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

5

drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c

View file

44

drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c

View file

1

drivers/gpu/drm/amd/amdgpu/nbio_v4_3.h

View file