Surface Pro 7 Suspension ALMOST works

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have a Surface Pro 7 LM 21.3 Cinammon using LINUX SURFACE KERNEL 6.6.6....
When I SUSPEND my machine, wait for about 20 mins then come back i get the desktop screen for 1 or 2 seconds
THEN A BLACK SCREEN where nothing works and NEED TO press the power button long enough to FORCE A RESTART.

Sometimes I get a 'cinnamon wrapper failed' notification before the screen goes black.

Anybody has had this problem before? or a solution?

Thanks in advance.