[Intel-gfx] [PATCH] igt/kms_addfb_basic: New subtest to check for fb modifier and tiling mode mismatch

[Vivek Kasireddy]

This new subtest will validate a Y-tiled object's tiling mode against
its associated fb modifier.

Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy at intel.com>
---
 tests/kms_addfb_basic.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/kms_addfb_basic.c b/tests/kms_addfb_basic.c
index d466e4d..7ca1add 100644
--- a/tests/kms_addfb_basic.c
+++ b/tests/kms_addfb_basic.c
@@ -373,6 +373,15 @@ static void addfb25_ytile(int fd, int gen)
 		f.handles[0] = gem_bo;
 	}
 
+	igt_subtest("addfb25-Y-tiled-X-modifier-mismatch") {
+		igt_require(gen >= 9);
+		igt_require_fb_modifiers(fd);
+		gem_set_tiling(fd, gem_bo, I915_TILING_Y, 1024*4);
+
+		f.modifier[0] = LOCAL_I915_FORMAT_MOD_X_TILED;
+		igt_assert(drmIoctl(fd, LOCAL_DRM_IOCTL_MODE_ADDFB2, &f) < 0 && errno == EINVAL);
+	}
+
 	igt_subtest("addfb25-Y-tiled") {
 		igt_require_fb_modifiers(fd);
 
-- 
2.4.3