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#!/bin/sh
#
# Test power-management suspend/resume whilst pipelines are idle
#
# Utilise the basic RPF->WPF packing test case as a measure that the hardware
# is operable while we perform test suspend and resume, and verify that it is
# still operable after resume.
#
# Format iteration loops are maintained, even with only one format so that this
# test can be easily extended to try further formats if needed in the future.
#
. ./vsp-lib.sh
features="rpf.0 wpf.0"
# Two formats are specified so that the test is run twice.
# This ensures that stop -> start works both before and after suspend
formats="RGB24 RGB24"
# These can be extracted from /sys/power/pm_test
suspend_modes="freezer devices platform processors core"
test_wpf_packing() {
local format=$1
pipe_configure rpf-wpf 0 0
format_configure rpf-wpf 0 0 ARGB32 1024x768 $format
vsp_runner rpf.0 &
vsp_runner wpf.0
local result=$(compare_frames)
[ x$result == xpass ] && return 0 || return 1
}
test_hw_pipe() {
local format
local result
for format in $formats ; do
test_wpf_packing $format
result=$?
# return early on failure
[ $result != 0 ] && return 1
done
return 0
}
test_suspend_resume() {
local result=0
test_start "non-active pipeline suspend/resume in suspend:$mode"
# Verify the test is available
grep -q $mode /sys/power/pm_test
if [ $? != 0 ]; then
test_complete skip
return
fi
# Test the hardware each side of suspend resume
test_hw_pipe
result=$((result+$?))
# Set the test mode
echo $mode > /sys/power/pm_test
# Commence suspend
# The pm_test framework will automatically resume after 5 seconds
echo mem > /sys/power/state
# Verify the hardware is still operational
test_hw_pipe
result=$((result+$?))
if [ $result != 0 ]; then
test_complete "failed"
else
test_complete "passed"
fi
}
test_main() {
local mode
# Check for pm-suspend test option
if [ ! -e /sys/power/pm_test ] ; then
echo "$0: suspend/resume testing requires CONFIG_PM_DEBUG"
return
fi
for mode in $suspend_modes ; do
test_suspend_resume $mode
done
}
test_init $0 "$features"
test_run
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