Using the following kernel boot args:
`GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.enable_psr=0
i915.enable_dc=0 intel_idle.max_cstate=1"`
So far I haven't got any issues waking from sleep. @Attila can you
confirm if it works for you?
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Thanks for posting @Attila. So it turns out I'm still getting the
occasional freezing still also.
I have found another kernel boot arg to try.
`i915.enable_dc=0`
I'm going to add this now and see if it helps.
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Can you try adding `intel_idle.max_cstate=1` kernel boot arg. So far it
seems to have fixed the suspend-wakeup issue on AC power for me.
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