If there's no primary plane, pipe->plane_primary == -1, and the assert
meant to check that it's valid will access pipe->planes[-1].
Fix that to check that pipe->plane_primary has been set instead.
Fixes: 36656239ef96 lib/igt_kms: Implement dynamic plane count support
Signed-off-by: Brian Starkey <brian.starkey@xxxxxxx>
---
lib/igt_kms.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 783c891aebf1..45c90c71f301 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -1820,9 +1820,9 @@ void igt_display_init(igt_display_t *display, int drm_fd)
/*
* At the bare minimum, we should expect to have a primary
- * plane
+ * plane, and it must be in slot 0.
*/
- igt_assert(pipe->planes[pipe->plane_primary].drm_plane);
+ igt_assert_eq(pipe->plane_primary, 0);
if (display->has_cursor_plane) {
/*
--
1.7.9.5
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