[i-g-t V6 4/8] lib/igt_kms: Force joiner support in bigjoiner checks

[Bhanuprakash Modem <bhanuprakash.modem@intel.com>]

As we recently introduced the option (through debugfs) to
force the bigjoiner, needs to extend the support in bigjoiner
checks to handle the force joiner.

Cc: Kunal Joshi <kunal1.joshi@intel.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
---
 lib/igt_kms.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 9fdfadde1..d565e79ce 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -6415,6 +6415,7 @@ bool igt_check_bigjoiner_support(igt_display_t *display)
 		enum pipe idx;
 		drmModeModeInfo *mode;
 		igt_output_t *output;
+		bool force_joiner;
 	} pipes[IGT_MAX_PIPES];
 	int max_dotclock;
 
@@ -6433,6 +6434,7 @@ bool igt_check_bigjoiner_support(igt_display_t *display)
 		pipes[pipes_in_use].idx = output->pending_pipe;
 		pipes[pipes_in_use].mode = igt_output_get_mode(output);
 		pipes[pipes_in_use].output = output;
+		pipes[pipes_in_use].force_joiner = igt_check_force_joiner_status(display->drm_fd, output->name);
 		pipes_in_use++;
 	}
 
@@ -6444,21 +6446,22 @@ bool igt_check_bigjoiner_support(igt_display_t *display)
 	max_dotclock = igt_get_max_dotclock(display->drm_fd);
 
 	/*
-	 * if mode resolution > 5K (or) mode.clock > max dot-clock, then ignore
+	 * if force joiner (or) mode resolution > 5K (or) mode.clock > max dot-clock,
+	 * then ignore
 	 *  - if the consecutive pipe is not available
 	 *  - last crtc in single/multi-connector config
 	 *  - consecutive crtcs in multi-connector config
 	 *
 	 * in multi-connector config ignore if
-	 *  - previous crtc (mode resolution > 5K or mode.clock > max dot-clock) and
+	 *  - previous crtc (force joiner or mode resolution > 5K or mode.clock > max dot-clock) and
 	 *  - current & previous crtcs are consecutive
 	 */
 	for (i = 0; i < pipes_in_use; i++) {
-		if (igt_bigjoiner_possible(pipes[i].mode, max_dotclock)) {
-			igt_info("pipe-%s-%s: (Max dot-clock: %d KHz)",
+		if (pipes[i].force_joiner || igt_bigjoiner_possible(pipes[i].mode, max_dotclock)) {
+			igt_info("pipe-%s-%s: (Max dot-clock: %d KHz), force joiner: %s\n",
 				 kmstest_pipe_name(pipes[i].idx),
 				 igt_output_name(pipes[i].output),
-				 max_dotclock);
+				 max_dotclock, pipes[i].force_joiner ? "Yes" : "No");
 			kmstest_dump_mode(pipes[i].mode);
 
 			if (pipes[i].idx >= (total_pipes - 1)) {
@@ -6481,11 +6484,11 @@ bool igt_check_bigjoiner_support(igt_display_t *display)
 			}
 		}
 
-		if ((i > 0) && igt_bigjoiner_possible(pipes[i - 1].mode, max_dotclock)) {
-			igt_info("pipe-%s-%s: (Max dot-clock: %d KHz)",
+		if ((i > 0) && (pipes[i - 1].force_joiner || igt_bigjoiner_possible(pipes[i - 1].mode, max_dotclock))) {
+			igt_info("pipe-%s-%s: (Max dot-clock: %d KHz), force joiner: %s\n",
 				 kmstest_pipe_name(pipes[i - 1].idx),
 				 igt_output_name(pipes[i - 1].output),
-				 max_dotclock);
+				 max_dotclock, pipes[i - 1].force_joiner ? "Yes" : "No");
 			kmstest_dump_mode(pipes[i - 1].mode);
 
 			if (!display->pipes[pipes[i - 1].idx + 1].enabled) {
-- 
2.43.2