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-rwxr-xr-xtests/vsp-unit-test-0020.sh92
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diff --git a/tests/vsp-unit-test-0020.sh b/tests/vsp-unit-test-0020.sh
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+#!/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