[igt-dev] [PATCH i-g-t 1/2] kms_ccs: Require a connected output

[Petri Latvala]

From: Chris Wilson <chris.p.wilson at intel.com>

Check that the output exists before dereferencing, as it may be NULL if
there are no displays connected.

Signed-off-by: Chris Wilson <chris.p.wilson at intel.com>
Cc: Matthew Auld <matthew.auld at intel.com>
Cc: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Fixes: https://gitlab.freedesktop.org/drm/intel/-/issues/3678
---
 tests/kms_ccs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/kms_ccs.c b/tests/kms_ccs.c
index e60a6a77..238c245c 100644
--- a/tests/kms_ccs.c
+++ b/tests/kms_ccs.c
@@ -513,6 +513,7 @@ static void test_output(data_t *data, const char* testformatstring)
 	igt_fixture {
 		data->output = igt_get_single_output_for_pipe(&data->display,
 							      data->pipe);
+		igt_require(data->output);
 		igt_output_set_pipe(data->output, data->pipe);
 	}
 
@@ -611,6 +612,7 @@ igt_main_args("cs:", NULL, help_str, opt_handler, &data)
 		igt_require_pipe_crc(data.drm_fd);
 
 		igt_display_require(&data.display, data.drm_fd);
+		igt_display_require_output(&data.display);
 
 		if (!data.user_seed)
 			data.seed = time(NULL);
-- 
2.29.2