Zhao Yakui 5a64af2066 DM: Use the pass-through mode for IPU on 4.19 kernel ...

Now the IPU mediator driver is not ready on 4.19-rcX kernel. So the IPU will
fallback to pass-trhough mode temporally and be assigned to guest directly.
After the IPU mediator driver is ready, the ipu_passthrough flag will be
changed to zero.

V1-V2: Describe the issue clearly in commit log.

Tracked-on: https://github.com/projectacrn/acrn-hypervisor/issues/1373
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Wu, Binbin <binbin.wu@intel.com>

2018-09-30 10:54:45 +08:00

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