drm/amdgpu: ih doorbell size of range changed for nbio v7.4

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[Why]
nbio v7.4 size of ih doorbell range is 64 bit. This requires 2 DWords per register.

[How]
Change ih doorbell size from 2 to 4. This means two Dwords per ring.
Current configuration uses two ih rings.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Sierra 2020-03-18 18:26:19 -05:00 • committed by Alex Deucher

parent 04cdac5c17

commit b635ae8744

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c

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