[igt-dev] [i-g-t V6 61/81] tests/kms_plane_lowres: Document each subtest for testplan

[Bhanuprakash Modem]

Add documentation for all kms tests which is used by IGT testplan
documentation.

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
Reviewed-by: Jeevan B <jeevan.b at intel.com>
---
 tests/kms_plane_lowres.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/tests/kms_plane_lowres.c b/tests/kms_plane_lowres.c
index 7aaf83c41..07b7754f5 100644
--- a/tests/kms_plane_lowres.c
+++ b/tests/kms_plane_lowres.c
@@ -22,6 +22,12 @@
  *
  */
 
+/**
+ * TEST: kms plane lowres
+ * Category: Display
+ * Description: Test atomic mode setting with a plane by switching between high
+ *              and low resolutions
+ */
 #include "igt.h"
 #include "drmtest.h"
 #include <errno.h>
@@ -261,6 +267,32 @@ static void test_cleanup(data_t *data)
 	igt_display_commit2(&data->display, COMMIT_ATOMIC);
 }
 
+/**
+ * SUBTEST: tiling-none
+ * Description: Tests the visibility of the planes when switching between high
+ *              and low resolution with Linear buffer (no tiling)
+ * Driver requirement: any
+ * Functionality: plane
+ * Mega feature: General Display Features
+ * Run type: FULL
+ * Test category: functionality test
+ *
+ * SUBTEST: tiling-%s
+ * Description: Tests the visibility of the planes when switching between high
+ *              and low resolution with %arg[1]
+ * Driver requirement: any
+ * Functionality: plane, tiling
+ * Mega feature: General Display Features
+ * Run type: FULL
+ * Test category: functionality test
+ *
+ * arg[1]:
+ *
+ * @4:           4-tiling
+ * @x:           x-tiling
+ * @y:           y-tiling
+ * @yf:          yf-tiling
+ */
 static void run_test(data_t *data, uint64_t modifier)
 {
 	enum pipe pipe;
-- 
2.40.0