[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 <ch...@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@vgem_basic@unload
 igt@drv_module_reload@basic-reload
 igt@drv_module_reload@basic-no-display
 igt@drv_module_reload@basic-reload-inject
+igt@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

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