[PATCH i-g-t v2 2/2] tests/intel/kms_pipe_stress: Clamp the source size to the FB bounds

[Sowmiya S <sowmiya.s@intel.com>]

Use min_t(int, ...) for source size calculations
to start scaling from a size guaranteed to fit in the FB.

Signed-off-by: Sowmiya S <sowmiya.s@intel.com>
---
 tests/intel/kms_pipe_stress.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/tests/intel/kms_pipe_stress.c b/tests/intel/kms_pipe_stress.c
index 3caef8e18..e3f6de2c4 100644
--- a/tests/intel/kms_pipe_stress.c
+++ b/tests/intel/kms_pipe_stress.c
@@ -456,11 +456,14 @@ static int pipe_stress(struct data *data, igt_output_t *output,
 			plane_width = cursor_width;
 			plane_height = cursor_height;
 		} else {
-			universal_plane_set_fb(plane, &data->fb[pipe * MAX_PLANES + i],
-					       mode->hdisplay, mode->vdisplay);
+			struct igt_fb *fb = &data->fb[pipe * MAX_PLANES + i];
+			int src_width = min_t(int, mode->hdisplay, fb->width);
+			int src_height = min_t(int, mode->vdisplay, fb->height);
 
-			plane_width = (mode->hdisplay * 3) / 4;
-			plane_height = (mode->vdisplay * 3) / 4;
+			universal_plane_set_fb(plane, fb, src_width, src_height);
+
+			plane_width = (src_width * 3) / 4;
+			plane_height = (src_height * 3) / 4;
 
 			ret = try_plane_scaling(data, plane, plane_width, plane_height);
 
-- 
2.43.0