[PATCH i-g-t 5/6] tests/kms_panel_fitting: Skip sprite test if we exceed sprite scaling limits

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

g4x-bdw surface isn't allowed to exceed 2kx2k pixels when scaling, and
the stride must not exceed 4k bytes. The test tries to scale a 1920x1080
32bpp image which exceeds the sprite's stride limitations. Let's make
the test a bit more tolerant and just ignore failures from the sprite
tests. This does reduce the usefulness of the test somewhat, but without
CRC support the test isn't all that useful anyway.

Bugzilla: https://bugs.freedesktop.org/attachment.cgi?id=132953
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 tests/kms_panel_fitting.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/tests/kms_panel_fitting.c b/tests/kms_panel_fitting.c
index 5266862a70cf..af3e39fd7b22 100644
--- a/tests/kms_panel_fitting.c
+++ b/tests/kms_panel_fitting.c
@@ -197,12 +197,16 @@ static void test_panel_fitting(data_t *d)
 		igt_fb_set_size(&d->fb2, d->plane2, d->fb2.width-200, d->fb2.height-200);
 		igt_plane_set_position(d->plane2, 100, 100);
 		igt_plane_set_size(d->plane2, mode->hdisplay-200, mode->vdisplay-200);
-		igt_display_commit2(display, COMMIT_UNIVERSAL);
-
-		/* enable panel fitting along with sprite scaling */
-		mode->hdisplay = 1024;
-		mode->vdisplay = 768;
-		prepare_crtc(d, output, pipe, d->plane1, mode, COMMIT_LEGACY);
+		/*
+		 * The sprite may not be able to scale such a large image.
+		 * Just skip the sprite scaling tests in that case.
+		 */
+		if (!igt_display_try_commit2(display, COMMIT_UNIVERSAL)) {
+			/* enable panel fitting along with sprite scaling */
+			mode->hdisplay = 1024;
+			mode->vdisplay = 768;
+			prepare_crtc(d, output, pipe, d->plane1, mode, COMMIT_LEGACY);
+		}
 
 		/* back to single plane mode */
 		igt_plane_set_fb(d->plane2, NULL);
-- 
2.13.5

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