[Bug 93684] [BXT-P APL] Suspend to RAM does not work without i915 loaded

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93684

--- Comment #7 from Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez at intel.com> ---
(In reply to Len Brown from comment #5)
> So when booted with "nomodeset" and "text" together,
> the 5 test suspends worked, yes?  <<-- that's correct
> 
> please do the same without echoing anything to pm_test.

Hi Len Brown :

The tests needs 'echo' command because without it the next parameters are
recognized as a command.

I tried the following with default cmdline (without "text nomodeset")

Command  : echo freezer > /sys/power/pm_test
Behavior : after type the below command and send the DUT to S3 state with the
command (echo mem > /sys/powe/state) looks like that the screen is frozen for a
couple of seconds and then the screen come back normal, also i have to comment
that the postcode remains the same '00AD'

Command  : echo devices > /sys/power/pm_test
Behavior : after type the below command and send the DUT to S3 state with the
command (echo mem > /sys/powe/state) the screen goes black and returns after a
few seconds and then come back normal, also i have to comment that the postcode
remains the same '00AD'. 

Command  : echo platform > /sys/power/pm_test
Behavior : after type the below command and send the DUT to S3 state with the
command (echo mem > /sys/powe/state) the DUT change its postcode to "0003" and
the screen goes back for a few seconds and then come back normal.

Command  : echo processors > /sys/power/pm_test
Behavior : after type the below command and send the DUT to S3 state with the
command (echo mem > /sys/powe/state) the screen goes black and returns after a
few seconds and then come back normal, also the postcode remains the same as
"0003"

Command  : echo core> /sys/power/pm_test
Behavior : after type the below command and send the DUT to S3 state with the
command (echo mem > /sys/powe/state) the screen goes black and returns after a
few seconds and then come back normal, also the postcode remains the same as
"0003"

Please see the attachements :
dmesg2.log

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