[Intel-gfx] [PATCH i-g-t 2/2] igt/pm_rpm: Test reaquisition of runtime-pm after module reload

[Chris Wilson]

It doesn't work right now and desperately needs to be fixed...

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/intel-ci/fast-feedback.testlist |  1 +
 tests/pm_rpm.c                        | 28 ++++++++++++++++++++++++---
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/tests/intel-ci/fast-feedback.testlist b/tests/intel-ci/fast-feedback.testlist
index 1f3b95357..c625904d5 100644
--- a/tests/intel-ci/fast-feedback.testlist
+++ b/tests/intel-ci/fast-feedback.testlist
@@ -272,3 +272,4 @@ igt at vgem_basic@unload
 igt at drv_module_reload@basic-reload
 igt at drv_module_reload@basic-no-display
 igt at drv_module_reload@basic-reload-inject
+igt at pm_rpm@module-reload
diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
index 1fbdda4ed..79cdf969a 100644
--- a/tests/pm_rpm.c
+++ b/tests/pm_rpm.c
@@ -692,7 +692,7 @@ static void setup_pc8(void)
 	has_pc8 = true;
 }
 
-static void setup_environment(void)
+static bool setup_environment(void)
 {
 	drm_fd = drm_open_driver_master(DRIVER_INTEL);
 	debugfs = igt_debugfs_dir(drm_fd);
@@ -710,7 +710,7 @@ static void setup_environment(void)
 	igt_require(has_runtime_pm);
 
 	disable_all_screens(&ms_data);
-	igt_require(wait_for_suspended());
+	return wait_for_suspended();
 }
 
 static void restore_environment(void)
@@ -1905,7 +1905,7 @@ int main(int argc, char *argv[])
 	 * PC8+. We don't want bug reports from cases where the machine is just
 	 * not properly configured. */
 	igt_fixture
-		setup_environment();
+		igt_require(setup_environment());
 
 	if (stay)
 		igt_subtest("stay")
@@ -2026,5 +2026,27 @@ int main(int argc, char *argv[])
 	igt_fixture
 		teardown_environment();
 
+	igt_subtest("module-reload") {
+		igt_debug("Reload w/o display\n");
+		igt_i915_driver_unload();
+		igt_assert_eq(igt_i915_driver_load("disable_display=1"), 0);
+
+		igt_assert(setup_environment());
+		basic_subtest();
+		drm_resources_equal_subtest();
+		pci_d3_state_subtest();
+		teardown_environment();
+
+		igt_debug("Reload as normal\n");
+		igt_i915_driver_unload();
+		igt_assert_eq(igt_i915_driver_load(NULL), 0);
+
+		igt_assert(setup_environment());
+		basic_subtest();
+		drm_resources_equal_subtest();
+		pci_d3_state_subtest();
+		teardown_environment();
+	}
+
 	igt_exit();
 }
-- 
2.18.0