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DM: Use the pass-through mode for IPU on 4.19 kernel

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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>
This commit is contained in:
Zhao Yakui 2018-09-29 14:11:32 +08:00 committed by Xie, Nanlin
parent 38099e4b78
commit 5a64af2066
1 changed files with 8 additions and 0 deletions
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8
devicemodel/samples/apl-mrb/launch_uos.sh
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@ -1,7 +1,15 @@
#!/bin/bash #!/bin/bash
kernel_version=$(uname -r | awk -F. '{ printf("%d.%d", $1,$2) }')
ipu_passthrough=0 ipu_passthrough=0
# this is the temporal solution before IPU is ready on 4.19
if [ "$kernel_version" = "4.19" ]; then
ipu_passthrough=1
fi
function launch_clearlinux() function launch_clearlinux()
{ {
if [ ! -f "/data/$5/$5.img" ]; then if [ ! -f "/data/$5/$5.img" ]; then