[PATCH i-g-t 5/6] i-g-t: kms_plane_scaling: test scaler with clipping clamping

[Vidya Srinivas <vidya.srinivas@xxxxxxxxx>]

From: Jyoti Yadav <jyoti.r.yadav@xxxxxxxxx>

This patch adds subtest to test scaler clipping and clamping
scenario

Signed-off-by: Jyoti Yadav <jyoti.r.yadav@xxxxxxxxx>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
Signed-off-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
---
 tests/kms_plane_scaling.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
index 3725d8e..b80cafb 100644
--- a/tests/kms_plane_scaling.c
+++ b/tests/kms_plane_scaling.c
@@ -480,6 +480,71 @@ static void test_plane_scaling(data_t *d, enum pipe pipe)
 	igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
 }
 
+static void
+test_scaler_with_clipping_clamping_scenario(data_t *d, enum pipe pipe)
+{
+	igt_output_t *output;
+	igt_require(d->num_scalers);
+
+	for_each_valid_output_on_pipe(&d->display, pipe, output) {
+		drmModeModeInfo *mode;
+
+		/* Gen9 has single scaler in PIPEC */
+		if (intel_gen(d->devid) == 9 && pipe == PIPE_C)
+			continue;
+
+		igt_output_set_pipe(output, pipe);
+		mode = igt_output_get_mode(output);
+		d->fb_id2 = igt_create_pattern_fb(d->drm_fd,
+										  mode->hdisplay, mode->vdisplay,
+										  DRM_FORMAT_XRGB8888,
+										  LOCAL_I915_FORMAT_MOD_X_TILED,
+										  &d->fb2);
+		igt_assert(d->fb_id2);
+
+		d->fb_id3 = igt_create_pattern_fb(d->drm_fd,
+										  mode->hdisplay, mode->vdisplay,
+										  DRM_FORMAT_XRGB8888,
+										  LOCAL_I915_FORMAT_MOD_Y_TILED,
+										  &d->fb3);
+		igt_assert(d->fb_id3);
+
+		d->plane1 = igt_output_get_plane(output, 0);
+		igt_plane_set_fb(d->plane1, &d->fb2);
+		d->plane2 = igt_output_get_plane(output, 1);
+		igt_plane_set_fb(d->plane2, &d->fb3);
+
+		igt_fb_set_position(&d->fb2, d->plane1, 0, 0);
+		igt_fb_set_size(&d->fb2, d->plane1, 300, 300);
+		igt_plane_set_position(d->plane1, 100, 400);
+		igt_fb_set_position(&d->fb3, d->plane2, 0, 0);
+		igt_fb_set_size(&d->fb3, d->plane2, 400, 400);
+		igt_plane_set_position(d->plane2, 100, 100);
+
+		/* scaled window size is outside the modeset area.*/
+		igt_plane_set_size(d->plane1, mode->hdisplay + 200,
+						   mode->vdisplay + 200);
+		igt_plane_set_size(d->plane2, mode->hdisplay + 100,
+						   mode->vdisplay + 100);
+		igt_display_commit2(&d->display, COMMIT_ATOMIC);
+
+		/* disable above 2 planes */
+		igt_plane_set_fb(d->plane1, NULL);
+		igt_plane_set_position(d->plane1, 0, 0);
+		igt_plane_set_fb(d->plane2, NULL);
+		igt_plane_set_position(d->plane2, 0, 0);
+		if (d->fb_id2) {
+			igt_remove_fb(d->drm_fd, &d->fb2);
+			d->fb_id2 = 0;
+		}
+		if (d->fb_id3) {
+			igt_remove_fb(d->drm_fd, &d->fb3);
+			d->fb_id3 = 0;
+		}
+		igt_output_set_pipe(output, PIPE_ANY);
+	}
+}
+
 igt_main
 {
 	data_t data = {};
@@ -512,6 +577,10 @@ igt_main
 			test_scaler_with_rotation(&data, pipe);
 		}
 
+		igt_subtest_f("scaler_with_clipping_clamping") {
+			test_scaler_with_clipping_clamping_scenario(&data, pipe);
+		}
+
 		igt_fixture {
 			igt_display_fini(&data.display);
 		}
-- 
2.7.4

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