[igt-dev] [PATCH i-g-t] tests/kms_display_modes: Add test for clone mode

[Jeevan B]

Add test for validation of clone mode.

Signed-off-by: Jeevan B <jeevan.b at intel.com>
---
 tests/kms_display_modes.c | 83 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/tests/kms_display_modes.c b/tests/kms_display_modes.c
index eff30cbb..af299dc0 100644
--- a/tests/kms_display_modes.c
+++ b/tests/kms_display_modes.c
@@ -129,6 +129,80 @@ static void run_extendedmode_basic(data_t *data, int pipe1, int pipe2)
 	igt_assert_crc_equal(&crc[1], &ref_crc[1]);
 }
 
+static void run_clonemode_basic(data_t *data, int pipe1, int pipe2)
+{
+	struct igt_fb fbs[2];
+	drmModeModeInfo *mode[2];
+	igt_output_t *output, *clone_output[2];
+	igt_display_t *display = &data->display;
+	igt_plane_t *plane[2];
+	igt_pipe_crc_t *pipe_crc[2] = { 0 };
+	igt_crc_t ref_crc[2], crc[2];
+	int count = 0;
+
+	for_each_connected_output(display, output) {
+		clone_output[count] = output;
+		count++;
+
+		if (count > 1)
+			break;
+	}
+
+	igt_output_set_pipe(clone_output[0], pipe1);
+	igt_output_set_pipe(clone_output[1], pipe2);
+
+	mode[0] = igt_output_get_mode(clone_output[0]);
+	mode[1] = igt_output_get_mode(clone_output[1]);
+
+	pipe_crc[0] = igt_pipe_crc_new(data->drm_fd, pipe1, INTEL_PIPE_CRC_SOURCE_AUTO);
+	pipe_crc[1] = igt_pipe_crc_new(data->drm_fd, pipe2, INTEL_PIPE_CRC_SOURCE_AUTO);
+
+	igt_create_color_fb(data->drm_fd, mode[0]->hdisplay, mode[0]->vdisplay,
+			    DRM_FORMAT_XRGB8888, 0, 1, 0, 0, &fbs[0]);
+
+	igt_create_color_fb(data->drm_fd, mode[0]->hdisplay, mode[1]->vdisplay,
+			    DRM_FORMAT_XRGB8888, 0, 1, 0, 0, &fbs[1]);
+
+	plane[0] = igt_pipe_get_plane_type(&display->pipes[pipe1], DRM_PLANE_TYPE_PRIMARY);
+	plane[1] = igt_pipe_get_plane_type(&display->pipes[pipe2], DRM_PLANE_TYPE_PRIMARY);
+
+	igt_plane_set_fb(plane[0], &fbs[0]);
+	igt_plane_set_fb(plane[1], &fbs[1]);
+
+	igt_display_commit2(display, COMMIT_ATOMIC);
+
+	igt_pipe_crc_collect_crc(pipe_crc[0], &ref_crc[0]);
+	igt_pipe_crc_collect_crc(pipe_crc[1], &ref_crc[1]);
+
+	igt_plane_set_fb(plane[0], &fbs[0]);
+	igt_plane_set_fb(plane[1], &fbs[1]);
+
+	igt_display_commit2(display, COMMIT_ATOMIC);
+
+	igt_pipe_crc_collect_crc(pipe_crc[0], &crc[0]);
+	igt_pipe_crc_collect_crc(pipe_crc[1], &crc[1]);
+
+	/*Clean up*/
+	igt_remove_fb(data->drm_fd, &fbs[0]);
+	igt_remove_fb(data->drm_fd, &fbs[1]);
+
+	igt_pipe_crc_free(pipe_crc[0]);
+	igt_pipe_crc_free(pipe_crc[1]);
+
+	igt_output_set_pipe(clone_output[0], PIPE_NONE);
+	igt_output_set_pipe(clone_output[1], PIPE_NONE);
+
+	igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe1],
+			 DRM_PLANE_TYPE_PRIMARY), NULL);
+	igt_plane_set_fb(igt_pipe_get_plane_type(&display->pipes[pipe2],
+			 DRM_PLANE_TYPE_PRIMARY), NULL);
+	igt_display_commit2(display, COMMIT_ATOMIC);
+
+	/*Compare CRC*/
+	igt_assert_crc_equal(&crc[0], &ref_crc[0]);
+	igt_assert_crc_equal(&crc[1], &ref_crc[1]);
+}
+
 igt_main
 {
 	data_t data;
@@ -167,6 +241,15 @@ igt_main
 		}
 	}
 
+	igt_describe("Test for validating display clone mode with a pair of connected displays");
+	igt_subtest_with_dynamic("clone-mode-basic") {
+		for (i = 0; i < data.n_pipes - 1; i++) {
+			igt_dynamic_f("pipe-%s%s", kmstest_pipe_name(pipe[i]),
+					kmstest_pipe_name(pipe[i+1]));
+			run_clonemode_basic(&data, pipe[i], pipe[i+1]);
+		}
+	}
+
 	igt_fixture {
 		igt_display_fini(&data.display);
 	}
-- 
2.36.0