[PATCH i-g-t 1/5] lib/igt_kms: move bigjoiner_mode_found to lib

[Kunal Joshi <kunal1.joshi@intel.com>]

move bigjoiner_mode_found to lib

v2: correct documentation (Ankit)
    fix usage of mode (Ankit)
v3: state mode is filled in doc (Ankit)

Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Karthik B S <karthik.b.s@intel.com>
Cc: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Signed-off-by: Kunal Joshi <kunal1.joshi@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
---
 lib/igt_kms.c                | 28 ++++++++++++++++++++++++++++
 lib/igt_kms.h                |  2 ++
 tests/intel/kms_big_joiner.c | 14 +-------------
 3 files changed, 31 insertions(+), 13 deletions(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index e18f6fe59..548c9d1f3 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -6143,6 +6143,34 @@ bool igt_bigjoiner_possible(drmModeModeInfo *mode, int max_dotclock)
 		mode->clock > max_dotclock);
 }
 
+/**
+ * bigjoiner_mode_found:
+ * @drm_fd: drm file descriptor
+ * @connector: libdrm connector
+ * @max_dot_clock: max dot clock frequency
+ * @mode: libdrm mode to be filled
+ *
+ * Bigjoiner will come in to the picture when the
+ * resolution > 5K or clock > max-dot-clock.
+ *
+ * Returns: True if big joiner found in connector modes
+ */
+bool bigjoiner_mode_found(int drm_fd, drmModeConnector *connector,
+			  int max_dotclock, drmModeModeInfo *mode)
+{
+	bool found = false;
+
+	igt_sort_connector_modes(connector, sort_drm_modes_by_res_dsc);
+	found = igt_bigjoiner_possible(&connector->modes[0], max_dotclock);
+	if (!found) {
+		igt_sort_connector_modes(connector, sort_drm_modes_by_clk_dsc);
+		found = igt_bigjoiner_possible(&connector->modes[0], max_dotclock);
+	}
+	if (found)
+		*mode = connector->modes[0];
+	return found;
+}
+
 /**
  * igt_check_bigjoiner_support:
  * @display: a pointer to an #igt_display_t structure
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index b3882808b..0fa7a2ea1 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -1212,6 +1212,8 @@ bool igt_max_bpc_constraint(igt_display_t *display, enum pipe pipe,
 		igt_output_t *output, int bpc);
 int igt_get_max_dotclock(int fd);
 bool igt_bigjoiner_possible(drmModeModeInfo *mode, int max_dotclock);
+bool bigjoiner_mode_found(int drm_fd, drmModeConnector *connector,
+			  int max_dotclock, drmModeModeInfo *mode);
 bool igt_check_bigjoiner_support(igt_display_t *display);
 bool igt_parse_mode_string(const char *mode_string, drmModeModeInfo *mode);
 bool intel_pipe_output_combo_valid(igt_display_t *display);
diff --git a/tests/intel/kms_big_joiner.c b/tests/intel/kms_big_joiner.c
index aba2adfbe..99b1b898d 100644
--- a/tests/intel/kms_big_joiner.c
+++ b/tests/intel/kms_big_joiner.c
@@ -199,16 +199,6 @@ static void test_dual_display(data_t *data)
 	igt_display_commit2(display, COMMIT_ATOMIC);
 }
 
-static bool bigjoiner_mode_found(drmModeConnector *connector,
-				 int (*sort_method)(const void *, const void*),
-				 drmModeModeInfo *mode)
-{
-	igt_sort_connector_modes(connector, sort_method);
-	*mode = connector->modes[0];
-
-	return igt_bigjoiner_possible(mode, max_dotclock);
-}
-
 igt_main
 {
 	data_t data;
@@ -235,9 +225,7 @@ igt_main
 			 * Bigjoiner will come in to the picture when the
 			 * resolution > 5K or clock > max-dot-clock.
 			 */
-			found = (bigjoiner_mode_found(connector, sort_drm_modes_by_res_dsc, &mode) ||
-				 bigjoiner_mode_found(connector, sort_drm_modes_by_clk_dsc, &mode)) ?
-					true : false;
+			found = bigjoiner_mode_found(data.drm_fd, connector, max_dotclock, &mode);
 
 			if (found) {
 				data.output[count].output_id = output->id;
-- 
2.25.1