[PATCH i-g-t v3 1/7] benchmarks/kms_fb_stress: Assert that we have an supported pipe

[Arthur Grillo]

Some driver may not support overlay planes. Add a check for that.

Reviewed-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>
Signed-off-by: Arthur Grillo <arthurgrillo at riseup.net>
---
 benchmarks/kms_fb_stress.c | 36 +++++++++++++++++++++++++++---------
 1 file changed, 27 insertions(+), 9 deletions(-)

diff --git a/benchmarks/kms_fb_stress.c b/benchmarks/kms_fb_stress.c
index 9a0e98bed8ad..8fea10ef069f 100644
--- a/benchmarks/kms_fb_stress.c
+++ b/benchmarks/kms_fb_stress.c
@@ -87,6 +87,27 @@ static igt_output_t *find_wb_output(struct data_t *data)
 	return NULL;
 }
 
+static void set_wb_pipe(struct data_t *data)
+{
+	enum pipe pipe = PIPE_NONE;
+
+	for_each_pipe(&data->display, pipe) {
+		igt_pipe_t *pipe_obj = &data->display.pipes[pipe];
+
+		if (igt_pipe_count_plane_type(pipe_obj, DRM_PLANE_TYPE_OVERLAY) < 2)
+			continue;
+
+		igt_debug("Selecting pipe %s to %s\n",
+			  kmstest_pipe_name(pipe),
+			  igt_output_name(data->wb_output));
+		igt_output_set_pipe(data->wb_output, pipe);
+
+		return;
+	}
+
+	igt_assert_f(0, "No pipe supports this benchmark\n");
+}
+
 static void set_crtc_size(struct data_t *data)
 {
 	drmModeModeInfo *mode;
@@ -142,7 +163,6 @@ static struct kms_t default_kms = {
 igt_simple_main
 {
 	struct data_t data = {0};
-	enum pipe pipe = PIPE_NONE;
 	struct timespec then, now;
 	double elapsed;
 
@@ -163,24 +183,22 @@ igt_simple_main
 
 	data.wb_output = find_wb_output(&data);
 	igt_require(data.wb_output);
-
-	for_each_pipe(&data.display, pipe) {
-		igt_debug("Selecting pipe %s to %s\n",
-			  kmstest_pipe_name(pipe),
-			  igt_output_name(data.wb_output));
-		igt_output_set_pipe(data.wb_output, pipe);
-		break;
-	}
+	set_wb_pipe(&data);
 
 	set_crtc_size(&data);
 
 	gen_fbs(&data);
 
 	data.kms.primary.base = igt_output_get_plane_type(data.wb_output, DRM_PLANE_TYPE_PRIMARY);
+	igt_assert(data.kms.primary.base != NULL);
+
 	data.kms.overlay_a.base = igt_output_get_plane_type_index(data.wb_output,
 								  DRM_PLANE_TYPE_OVERLAY, 0);
+	igt_assert(data.kms.overlay_a.base != NULL);
+
 	data.kms.overlay_b.base = igt_output_get_plane_type_index(data.wb_output,
 								  DRM_PLANE_TYPE_OVERLAY, 1);
+	igt_assert(data.kms.overlay_b.base != NULL);
 
 	igt_assert_eq(igt_gettime(&then), 0);
 

-- 
2.43.0