darp8: PLTRST# virtual wire not de-asserted on S3 resume
#507
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crawfxrd
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CSME should be enabled when S0ix is used for power savings during suspend. TGL-U is just one case where we default as our TGL-U models do not support S3. Other models may use S0ix as well, such as darp8 and darp9 due to new batches just not working with S3 anymore [1]. [1]: #507 Signed-off-by: Tim Crawford <tcrawford@system76.com>
jackpot51
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CSME should be enabled when S0ix is used for power savings during suspend. TGL-U is just one case where we default as our TGL-U models do not support S3. Other models may use S0ix as well, such as darp8 and darp9 due to new batches just not working with S3 anymore [1]. [1]: #507 Signed-off-by: Tim Crawford <tcrawford@system76.com>
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The last batch of darp8 do not de-assert the
PLTRST#virtual wire on S3 resume, causing the system to hang on wake.Steps to reproduce
echo deep | sudo tee /sys/power/mem_sleepsudo systemctl suspendExpected behavior
System resumes to desktop.
Actual behavior
System hangs with solid green LED and black screen.
Additional info
This is seemingly an unidentified BOM change from Clevo, as the engineering units we originally received and first batch of production units that customers received (which also had an unidentified change that broke on our firmware) do not have the issue.
Ref: #469
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