[PATCH i-g-t v2 3/9] tests/kms_plane_scaling: Fix basic scaling test, v2.

[Maarten Lankhorst <maarten.lankhorst@linux.intel.com>]

From: Mahesh Kumar <mahesh1.kumar@intel.com>

PIPEC doesnt have 3rd plane in GEN9. So, we skip the
3rd plane related scaling test where 2nd OVERLAY
plane is not available.

Restricting downscaling to (9/10)x original size of the
image to avoid "Max pixel rate limitation" of the hardware.

Later patches in this series will cover corner cases of
scaling.

Changes since v1:
- Move out the code reshuffle to a separate commit. (Maarten)
  This makes it more clear what's fixed.

Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Signed-off-by: Jyoti Yadav <jyoti.r.yadav@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
 tests/kms_plane_scaling.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
index 37e05158b968..5487f89e5149 100644
--- a/tests/kms_plane_scaling.c
+++ b/tests/kms_plane_scaling.c
@@ -231,7 +231,9 @@ test_plane_scaling_on_pipe(data_t *d, enum pipe pipe, igt_output_t *output)
 	igt_fb_set_position(&d->fb2, d->plane2, 0, 0);
 	igt_fb_set_size(&d->fb2, d->plane2, d->fb2.width, d->fb2.height);
 	igt_plane_set_position(d->plane2, 10, 10);
-	igt_plane_set_size(d->plane2, 500, 500 * d->fb2.height/d->fb2.width);
+
+	/* Downscale (10/9)x of original image */
+	igt_plane_set_size(d->plane2, (d->fb2.width * 10)/9, (d->fb2.height * 10)/9);
 	igt_display_commit2(display, COMMIT_UNIVERSAL);
 
 	if (primary_plane_scaling) {
@@ -247,6 +249,11 @@ test_plane_scaling_on_pipe(data_t *d, enum pipe pipe, igt_output_t *output)
 	d->plane3 = igt_output_get_plane(output, 2);
 	igt_plane_set_fb(d->plane3, &d->fb3);
 
+	if(d->plane3->type == DRM_PLANE_TYPE_CURSOR) {
+		igt_debug("Plane-3 doesnt exist on pipe %s\n", kmstest_pipe_name(pipe));
+		goto cleanup;
+	}
+
 	/* 3rd plane windowed - no scaling */
 	igt_fb_set_position(&d->fb3, d->plane3, 100, 100);
 	igt_fb_set_size(&d->fb3, d->plane3, d->fb3.width-300, d->fb3.height-300);
@@ -280,6 +287,7 @@ test_plane_scaling_on_pipe(data_t *d, enum pipe pipe, igt_output_t *output)
 		igt_display_commit2(display, COMMIT_UNIVERSAL);
 	}
 
+cleanup:
 	/* back to single plane mode */
 	igt_plane_set_fb(d->plane2, NULL);
 	igt_plane_set_fb(d->plane3, NULL);
-- 
2.15.1

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