drm/amdgpu: add helper to enable an ih ring for vega10

vega10_ih_enable_ring will be used to enable an
ih ring for vega10/12, RAVEN series and RENOIR.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2020-12-01 22:53:17 +08:00 • committed by Alex Deucher
commit ffa02126e0