[PATCH i-g-t v4 3/5] tests/pm_dc: Added test for DC6 during PSR

Anshuman Gupta
2019-02-01T16:14:03Z

From: Jyoti Yadav <jyoti.r.yadav@intel.com>

This patch add subtest to check DC6 entry on PSR for the supported
platforms.

v2: Rename the subtest with more meaningful name.
v3: Rebased.
v4: Rebased and addressed review comment.

Signed-off-by: Jyoti Yadav <jyoti.r.yadav@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
---
tests/pm_dc.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/tests/pm_dc.c b/tests/pm_dc.c
index d59be94..ea612a7 100644
--- a/tests/pm_dc.c
+++ b/tests/pm_dc.c
@@ -196,6 +196,19 @@ int main(int argc, char *argv[])
test_dc_state_psr(&data, CHECK_DC5);
cleanup(&data);
}
+
+ igt_subtest("dc6-psr") {
+ data.op_psr_mode = PSR_MODE_1;
+ psr_enable(data.debugfs_fd, data.op_psr_mode);
+ igt_require_f(edp_psr_sink_support(&data),
+ "Sink does not support PSR\n");
+ /* Check DC6 counter is available for the platform.
+ * Skip the test if counter is not available.
+ */
+ read_dc_counter(data.drm_fd, CHECK_DC6);
+ test_dc_state_psr(&data, CHECK_DC6);
+ cleanup(&data);
+ }
igt_fixture {
close(data.debugfs_fd);
display_fini(&data);
--
2.7.4