[igt-dev] [V5 i-g-t 44/81] tests/kms_display_modes: Document each subtest for testplan

[Bhanuprakash Modem]

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

V2: - Add missing documentation

Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
---
 tests/kms_display_modes.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/tests/kms_display_modes.c b/tests/kms_display_modes.c
index 93d91ef5b..b26a3f71a 100644
--- a/tests/kms_display_modes.c
+++ b/tests/kms_display_modes.c
@@ -24,6 +24,11 @@
  *  Jeevan B <jeevan.b at intel.com>
  */
 
+/**
+ * TEST: kms display modes
+ * Category: Display
+ * Description: Test Display Modes
+ */
 #include "igt.h"
 
 #define HDISPLAY_4K	3840
@@ -231,6 +236,16 @@ static void run_extendedmode_basic(data_t *data,
 	for_each_connected_output_local((display), (output)) \
 		for_each_if (igt_pipe_connector_valid((pipe), (output)))
 
+/**
+ * SUBTEST: extended-mode-basic
+ * Description: Test for validating display extended mode with a pair of connected
+ *              displays
+ * Driver requirement: any
+ * Functionality: kms_core
+ * Mega feature: General Display Features
+ * Run type: FULL
+ * Test category: functionality test
+ */
 static void run_extendedmode_test(data_t *data) {
 	enum pipe pipe1, pipe2;
 	igt_output_t *output1, *output2;
@@ -276,6 +291,16 @@ static void run_extendedmode_test(data_t *data) {
 	}
 }
 
+/**
+ * SUBTEST: mst-extended-mode-negative
+ * Description: Negative test for validating display extended mode with a pair
+ *		of connected 2k-4k or 4k-4k displays.
+ * Driver requirement: any
+ * Functionality: kms_core
+ * Mega feature: General Display Features
+ * Run type: FULL
+ * Test category: functionality test
+ */
 static void run_extendedmode_negative(data_t *data, int pipe1, int pipe2)
 {
 	struct igt_fb fbs[2];
-- 
2.40.0