diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2014-02-25 17:46:27 -0300 |
|---|---|---|
| committer | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2014-02-25 18:00:53 -0300 |
| commit | 37773d91d9b56f9f06c86e405e8dc9343f2c71c1 (patch) | |
| tree | 940af85b6dbb98feab2bb7f1abcc58b5e2d7f448 /tests | |
| parent | 31b20f7478a27e159482ac23f3d128e90ca98d23 (diff) | |
tests/pm_pc8: add pci-d3-state subtest
Currently the test suite just looks at the files provided by the
runtime power management framework to check if the device is runtime
suspended. Add a test that reads the PCI config space to check if the
device is actually in PCI D3 state or not.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/pm_pc8.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/pm_pc8.c b/tests/pm_pc8.c index e0f91388..54d04b1a 100644 --- a/tests/pm_pc8.c +++ b/tests/pm_pc8.c @@ -1406,6 +1406,35 @@ static void reg_read_ioctl_subtest(void) igt_assert(wait_for_suspended()); } +static bool device_in_pci_d3(void) +{ + struct pci_device *pci_dev; + int rc; + uint16_t val; + + pci_dev = intel_get_pci_device(); + + rc = pci_device_cfg_read_u16(pci_dev, &val, 0xd4); + igt_assert(rc == 0); + + return (val & 0x3) == 0x3; +} + +static void pci_d3_state_subtest(void) +{ + igt_require(has_runtime_pm); + + disable_all_screens(&ms_data); + igt_assert(wait_for_suspended()); + + igt_assert(device_in_pci_d3()); + + enable_one_screen(&ms_data); + igt_assert(wait_for_active()); + + igt_assert(!device_in_pci_d3()); +} + int main(int argc, char *argv[]) { int rounds = 50; @@ -1429,6 +1458,8 @@ int main(int argc, char *argv[]) basic_subtest(); igt_subtest("drm-resources-equal") drm_resources_equal_subtest(); + igt_subtest("pci-d3-state") + pci_d3_state_subtest(); /* Basic modeset */ igt_subtest("modeset-lpsp") |