[igt-dev] [PATCH i-g-t v3 3/5] [intel-gfx] tests/pm_dc: Added test for DC6 during PSR

[Jyoti Yadav]

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

v2: Rename the subtest with more meaningful name.
v3: Rebased.

Signed-off-by: Jyoti Yadav <jyoti.r.yadav at intel.com>
---
 tests/pm_dc.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/pm_dc.c b/tests/pm_dc.c
index 671c0f5..3ecfb1c 100644
--- a/tests/pm_dc.c
+++ b/tests/pm_dc.c
@@ -203,6 +203,18 @@ int main(int argc, char *argv[])
 		test_dc_state_psr(&data, CHECK_DC5);
 		cleanup(&data);
 	}
+
+	igt_subtest("dc6-psr") {
+		psr_enable(data.debugfs_fd);
+		igt_require_f(edp_psr_sink_support(&data),
+			      "Sink does not support PSR\n");
+		/* Check DC5 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);
-- 
1.9.1