On Thu, Jul 6, 2023 at 8:01 AM Danijel Slivka wrote:
>
> Why:
> If the reg mmMP1_SMN_C2PMSG_90 is being programed to 0x0 before
> guest initialization, then modprobe amdgpu will fail at smu hw_init.
> (the default mmMP1_SMN_C2PMSG_90 at a clean guest environment is 0x1).
>
> How to fix:
> this pat
Why:
If the reg mmMP1_SMN_C2PMSG_90 is being programed to 0x0 before
guest initialization, then modprobe amdgpu will fail at smu hw_init.
(the default mmMP1_SMN_C2PMSG_90 at a clean guest environment is 0x1).
How to fix:
this patch is to check whether smu is idle by sending a test
message to smu.
