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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# SPDX-FileCopyrightText: 2016-2018 Renesas Electronics Corporation
#
# Test power-management suspend/resume whilst pipelines are active
#
# 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 successful even with a suspend resume cycle in the middle of the test.
#
. ./vsp-lib.sh
features="rpf.0 wpf.0"
# These can be extracted from /sys/power/pm_test
suspend_modes="freezer devices platform processors core"
# This extended function performs the same as it's non-extended name-sake, but
# runs the pipeline for a configurable number of frames.
test_extended_wpf_packing() {
local format=$1
local num_frames=$2
pipe_configure rpf-wpf 0 0
format_configure rpf-wpf 0 0 ARGB32 1024x768 $format
vsp_runner rpf.0 --count=$num_frames &
vsp_runner wpf.0 --count=$num_frames --skip=$((num_frames-3))
local result=$(compare_frames)
[ x$result == xpass ] && return 0 || return 1
}
test_hw_pipe() {
# Run the pipeline for 1000 frames. The suspend action should occur in
# the middle.
test_extended_wpf_packing RGB24 1000
}
test_suspend_resume() {
local result
local test_pid
test_start "Testing active pipeline suspend/resume in suspend:$mode"
# Verify the test is available
grep -q $mode /sys/power/pm_test
if [ $? != 0 ]; then
test_complete skip
return
fi
# Set the hardware running in parallel while we suspend
test_hw_pipe &
test_pid=$!
# Make sure the pipeline has time to start
sleep 1
# 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
# Wait for the pipeline to complete
wait $test_pid
result=$?
if [ $result == 0 ]; then
test_complete pass
else
test_complete fail
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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