drm/amdgpu: enable WPTR_POLL_ENABLE for sriov on sdma_v6_0

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[Why]
Under SR-IOV, if VF is switched out then its doorbell will be disabled,
SDMA rely on WPTR_POLL to get doorbells which was sent during VF
switched-out time.

[How]
For SR-IOV, set SDMA WPTR_POLL_ENABLE to 1.

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 12:18:18 +08:00 • committed by Alex Deucher

parent ca4ba3394e

commit afb50906cf

1 changed files with 4 additions and 1 deletions

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drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c

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