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Change History

https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009

https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Wake DMCUB before sending a command

[Why]
We can hang in place trying to send commands when the DMCUB isn't
powered on.

[How]
For functions that execute within a DC context or DC lock we can
wrap the direct calls to dm_execute_dmub_cmd/list with code that
exits idle power optimizations and reallows once we're done with
the command submission on success.

For DM direct submissions the DM will need to manage th

Linux https://git.kernel.org/stable/c/303197775a97416b62d4da69280d0c120a20e009 [No types assigned]

Linux https://git.kernel.org/stable/c/8892780834ae294bc3697c7d0e056d7743900b39 [No types assigned]