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platform/x86/amd/pmf: Remove update system state document

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This commit removes the "pmf.rst" document, which was associated with
the PMF driver that enabled system state updates based on TA output
actions.

The driver now uses existing input events (KEY_SCREENLOCK, KEY_SLEEP,
and KEY_SUSPEND) instead of defining new udev rules in the
"/etc/udev/rules.d/" directory. Consequently, the pmf.rst document is no
longer necessary. Therefore, the pmf.rst documentation is being removed.

Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20240711052047.1531957-2-Shyam-sundar.S-k@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Shyam Sundar S K 2024-07-11 10:50:47 +05:30 committed by Ilpo Järvinen
parent 4c92d448e3
commit 2fd66f7d3b
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Documentation/admin-guide/pmf.rst
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.. SPDX-License-Identifier: GPL-2.0
Set udev rules for PMF Smart PC Builder
---------------------------------------
AMD PMF(Platform Management Framework) Smart PC Solution builder has to set the system states
like S0i3, Screen lock, hibernate etc, based on the output actions provided by the PMF
TA (Trusted Application).
In order for this to work the PMF driver generates a uevent for userspace to react to. Below are
sample udev rules that can facilitate this experience when a machine has PMF Smart PC solution builder
enabled.
Please add the following line(s) to
``/etc/udev/rules.d/99-local.rules``::
DRIVERS=="amd-pmf", ACTION=="change", ENV{EVENT_ID}=="0", RUN+="/usr/bin/systemctl suspend"
DRIVERS=="amd-pmf", ACTION=="change", ENV{EVENT_ID}=="1", RUN+="/usr/bin/systemctl hibernate"
DRIVERS=="amd-pmf", ACTION=="change", ENV{EVENT_ID}=="2", RUN+="/bin/loginctl lock-sessions"
EVENT_ID values:
0= Put the system to S0i3/S2Idle
1= Put the system to hibernate
2= Lock the screen