diff options
| -rw-r--r-- | tests/i915/i915_pm_dc.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/tests/i915/i915_pm_dc.c b/tests/i915/i915_pm_dc.c index 944618a1..553f8407 100644 --- a/tests/i915/i915_pm_dc.c +++ b/tests/i915/i915_pm_dc.c @@ -44,6 +44,7 @@ typedef struct { enum psr_mode op_psr_mode; drmModeModeInfo *mode; igt_output_t *output; + bool runtime_suspend_disabled; } data_t; static bool dc_state_wait_entry(int drm_fd, int dc_flag, int prev_dc_count); @@ -171,6 +172,67 @@ static void test_dc_state_psr(data_t *data, int dc_flag) cleanup_dc_psr(data); } +static void cleanup_dc_dpms(data_t *data) +{ + /* + * if runtime PM is disabled for i915 restore it, + * so any other sub-test can use runtime-PM. + */ + if (data->runtime_suspend_disabled) { + igt_restore_runtime_pm(); + igt_setup_runtime_pm(); + } +} + +static void setup_dc_dpms(data_t *data) +{ + if (IS_BROXTON(data->devid) || IS_GEMINILAKE(data->devid) || + AT_LEAST_GEN(data->devid, 11)) { + igt_disable_runtime_pm(); + data->runtime_suspend_disabled = true; + } else { + data->runtime_suspend_disabled = false; + } +} + +static void dpms_off(data_t *data) +{ + for (int i = 0; i < data->display.n_outputs; i++) { + kmstest_set_connector_dpms(data->drm_fd, + data->display.outputs[i].config.connector, + DRM_MODE_DPMS_OFF); + } + + if (!data->runtime_suspend_disabled) + igt_assert(igt_wait_for_pm_status + (IGT_RUNTIME_PM_STATUS_SUSPENDED)); +} + +static void dpms_on(data_t *data) +{ + for (int i = 0; i < data->display.n_outputs; i++) { + kmstest_set_connector_dpms(data->drm_fd, + data->display.outputs[i].config.connector, + DRM_MODE_DPMS_ON); + } + + if (!data->runtime_suspend_disabled) + igt_assert(igt_wait_for_pm_status + (IGT_RUNTIME_PM_STATUS_ACTIVE)); +} + +static void test_dc_state_dpms(data_t *data, int dc_flag) +{ + uint32_t dc_counter; + + setup_dc_dpms(data); + dc_counter = read_dc_counter(data->drm_fd, dc_flag); + dpms_off(data); + check_dc_counter(data->drm_fd, dc_flag, dc_counter); + dpms_on(data); + cleanup_dc_dpms(data); +} + IGT_TEST_DESCRIPTION("These tests validate Display Power DC states"); int main(int argc, char *argv[]) { @@ -213,6 +275,12 @@ int main(int argc, char *argv[]) test_dc_state_psr(&data, CHECK_DC6); } + igt_describe("This test validates display engine entry to DC5 state " + "while all connectors's DPMS property set to OFF"); + igt_subtest("dc5-dpms") { + test_dc_state_dpms(&data, CHECK_DC5); + } + igt_fixture { close(data.debugfs_fd); display_fini(&data); |