Linux message queues(msgq) are used to communicate between VM's
This change creates a display specific msgq and a set of
framework api's for the VM layer to invoke communication
between the VMs'.
Display msgq is bidirectional. Tx end is created by default for
both the VM's. Rx is kept optional to avoid unnecessary creation
of listener threads.
Change-Id: If4e6410045293d6b21087a76ec018d4784dd5238
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Extends atomic check to validate TUI transition request aginst
SDE and non-SDE client states. Triggers HW assignment after
making sure current frame is completely flushed out of HW
pipeline. Initiate the acquire after TUI end after restoring
the software states.
Change-Id: I6ceccd44c18526ff818723b5631b66af3ff083c1
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
client_pre_release/client_post_acquire hooks in vm_ops allows non-SDE
clients to register for callbacks to be invoked
- before releasing the resources from the current VM so that
the client can updates the respective sw state to indicate
the absence of HW ownership
- before the first frame push after acquiring the HW to update
reset the respective sw state to indicate the presence of
HW ownership and resume operations
Change-Id: I93e5a2b43c79b4e7cc28e6e0129d8091aa0e508d
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Add VM layer files to handle VM specific operations
for primary and secondary VM's. They interact with
Hypervisor RM modules to LEND/ACCEPT/RELEASE/RECLAIM
HW resources. They also handle notifications for each
of the above Hyp RM operations to acquire and update
the SDE software states.
Change-Id: I5982f4bf56550dc464797c62cb356be39925b21c
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
