From 9e2da7880d95905ea9646c8d94904b4a1c1ea53c Mon Sep 17 00:00:00 2001 From: Kieran Bingham Date: Thu, 1 Dec 2016 21:31:49 +0000 Subject: tests: Test suspend/resume on active pipelines Provide a test to verify the hardware completes a functional test whilst performing a suspend resume cycle in parallel. Make use of the /sys/power/pm_test functionality provided by CONFIG_PM_DEBUG to perform the testing Signed-off-by: Kieran Bingham Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- tests/vsp-unit-test-0020.sh | 92 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100755 tests/vsp-unit-test-0020.sh (limited to 'tests') diff --git a/tests/vsp-unit-test-0020.sh b/tests/vsp-unit-test-0020.sh new file mode 100755 index 0000000..db383b5 --- /dev/null +++ b/tests/vsp-unit-test-0020.sh @@ -0,0 +1,92 @@ +#!/bin/sh + +# +# 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. +# + +source 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 300 frames. The suspend action occurs between frame #150~#200 + +test_extended_wpf_packing() { + local format=$1 + + pipe_configure rpf-wpf 0 0 + format_configure rpf-wpf 0 0 ARGB32 1024x768 $format + + vsp_runner rpf.0 --count=300 & + vsp_runner wpf.0 --count=300 --skip=297 + + local result=$(compare_frames) + [ x$result == xpass ] && return 0 || return 1 +} + +test_hw_pipe() { + test_extended_wpf_packing RGB24 +} + +test_suspend_resume() { + local result + local test_pid + + test_start "Testing active pipeline suspend/resume in suspend:$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 -- cgit v1.2.3