Comment 103 for bug 1803179

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In , karolherbst (karolherbst-linux-kernel-bugs) wrote :

another note: in case the resume fails, the ACPI code wasn't able to read out the GPUs state as well, so most likely all values are garbage and simple contain -1, which would mean that LNKS will never be below 0x07 anyway.

So everything I was reading out via ACPI returned 0xffff, but maybe that's just the case for me (Dell XPS 9560).