[PATCH i-g-t] tests/kms_vrr: Skip LOBF test if PR is not supported on sink

[Jeevan B <jeevan.b@intel.com>]

LOBF requires Panel Replay, which is only available on eDP 1.5 panel.
If PR is not supported on the sink, skip the test early since LOBF
cannot be enabled without it.

Signed-off-by: Jeevan B <jeevan.b@intel.com>
---
 tests/kms_vrr.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/kms_vrr.c b/tests/kms_vrr.c
index d371d9d7f..4919b7cb7 100644
--- a/tests/kms_vrr.c
+++ b/tests/kms_vrr.c
@@ -1049,6 +1049,11 @@ run_vrr_test(data_t *data, test_t test, uint32_t flags)
 				continue;
 			}
 
+			if (flags == TEST_LINK_OFF)
+				igt_require_f(psr_sink_support(data->drm_fd,
+					      data->debugfs_fd, PR_MODE, output),
+					      "LOBF not supported");
+
 			igt_dynamic_f("pipe-%s-%s",
 				      kmstest_pipe_name(pipe), output->name)
 				test(data, pipe, output, flags);
-- 
2.25.1