From: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
Provide a stress routine on the CRTC by continuously disabling and
resetting the mode.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
---
tests/kms-test-stresstest.py | 76 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 76 insertions(+)
create mode 100755 tests/kms-test-stresstest.py
diff --git a/tests/kms-test-stresstest.py b/tests/kms-test-stresstest.py
new file mode 100755
index 000000000000..0db6df63896c
--- /dev/null
+++ b/tests/kms-test-stresstest.py
@@ -0,0 +1,76 @@
+#!/usr/bin/python3
+
+import kmstest
+import pykms
+
+class StressModeSetTest(kmstest.KMSTest):
+ """Stress test the mode setting on all connectors in sequence with the default mode."""
+
+ def handle_page_flip(self, frame, time):
+ self.logger.log("Page flip complete")
+
+ def main(self):
+ for connector in self.card.connectors:
+ self.start("stress atomic mode set on connector %s" % connector.fullname)
+
+ # Skip disconnected connectors
+ if not connector.connected():
+ self.skip("unconnected connector")
+ continue
+
+ # Find a CRTC suitable for the connector
+ crtc = connector.get_current_crtc()
+ if not crtc:
+ crtcs = connector.get_possible_crtcs()
+ if len(crtcs) == 0:
+ pass
+
+ crtc = crtcs[0]
+
+ # Get the default mode for the connector
+ try:
+ mode = connector.get_default_mode()
+ except ValueError:
+ self.skip("no mode available")
+ continue
+
+ self.logger.log("Testing connector %s on CRTC %u with mode %s" % \
+ (connector.fullname, crtc.id, mode.name))
+
+ # Create a frame buffer
+ fb = pykms.DumbFramebuffer(self.card, mode.hdisplay, mode.vdisplay, "XR24")
+ pykms.draw_test_pattern(fb)
+
+ # Track any failures in the iterations
+ failures = 0
+
+ for i in range(50):
+ # Disable the crtc
+ ret = self.atomic_crtc_disable(crtc)
+ if ret < 0:
+ self.fail("Failed to disable CRTC")
+ failures += 1
+ break
+
+ # Reset the flips counter
+ self.flips = 0
+
+ # Perform a mode set
+ ret = self.atomic_crtc_mode_set(crtc, connector, mode, fb)
+ if ret < 0:
+ self.fail("atomic mode set failed with %d" % ret)
+ failures += 1
+ break
+
+ self.logger.log("Atomic mode set complete")
+ self.run(1)
+
+ if self.flips == 0:
+ self.fail("Page flip not registered")
+ failures += 1
+ break
+
+ if failures == 0:
+ self.success()
+
+StressModeSetTest().execute()
--
2.7.4
