[igt-dev] [PATCH i-g-t 1/2] tests/kms_cursor_legacy: Add subtest to verify cursor update state.

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

Instead of doing a DPMS/suspend-resume cycle to verify state, we should
be able to verify by comparing atomic state with what we set.

This will obsolete the suspend/resume and dpms tests in kms_cursor_crc,
which saves us about 5 minutes.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
 tests/kms_cursor_legacy.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/tests/kms_cursor_legacy.c b/tests/kms_cursor_legacy.c
index d0a28b3c442c..771e501e5ce0 100644
--- a/tests/kms_cursor_legacy.c
+++ b/tests/kms_cursor_legacy.c
@@ -1355,6 +1355,81 @@ static void flip_vs_cursor_busy_crc(igt_display_t *display, bool atomic)
 	igt_remove_fb(display->drm_fd, &cursor_fb);
 }
 
+static void verify_cursor_parameters(igt_display_t *display)
+{
+	struct drm_mode_cursor arg[2];
+	struct igt_fb fb_info, cursor_fb, cursor_fb2;
+	enum pipe pipe = find_connected_pipe(display, false);
+	igt_pipe_t *pipe_obj = &display->pipes[pipe];
+	igt_plane_t *cursor = igt_pipe_get_plane_type(pipe_obj, DRM_PLANE_TYPE_CURSOR);
+	drmModePlane *drm_cursor;
+
+	/* Must support universal plane API for cursor plane for this test. */
+	igt_require(cursor->drm_plane);
+	igt_require(set_fb_on_crtc(display, pipe, &fb_info));
+
+	igt_create_color_fb(display->drm_fd, 64, 64, DRM_FORMAT_ARGB8888, 0, 1., 1., 1., &cursor_fb);
+	igt_create_color_fb(display->drm_fd, 64, 64, DRM_FORMAT_ARGB8888, 0, .5, .5, .5, &cursor_fb2);
+
+	igt_plane_set_fb(cursor, &cursor_fb);
+	populate_cursor_args(display, pipe, arg, &cursor_fb);
+
+	igt_display_commit2(display, display->is_atomic ? COMMIT_ATOMIC : COMMIT_LEGACY);
+
+	/* Move Cursor with legacy cursor move. */
+	do_ioctl(display->drm_fd, DRM_IOCTL_MODE_CURSOR, arg);
+
+	drm_cursor = drmModeGetPlane(display->drm_fd, cursor->drm_plane->plane_id);
+	igt_assert(drm_cursor);
+
+	igt_assert_eq(drm_cursor->crtc_id, pipe_obj->crtc_id);
+	if (display->is_atomic) {
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_FB_ID), cursor_fb.fb_id);
+
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_SRC_X), 0);
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_SRC_Y), 0);
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_SRC_W), IGT_FIXED(cursor_fb.width, 0));
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_SRC_H), IGT_FIXED(cursor_fb.height, 0));
+
+		/* Make sure legacy cursor move overwriting atomic pos (0,0) is picked up. */
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_CRTC_X), arg->x);
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_CRTC_Y), arg->y);
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_CRTC_W), cursor_fb.width);
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_CRTC_H), cursor_fb.height);
+
+		/* COMMIT_ATOMIC specifies the fb id, do a strict check. */
+		igt_assert_eq(drm_cursor->fb_id, cursor_fb.fb_id);
+	} else {
+		/* Legacy cursor ioctl generates a new fb id */
+		igt_assert(drm_cursor->fb_id);
+	}
+	drmModeFreePlane(drm_cursor);
+
+	/* Use setplane API. */
+	igt_plane_set_fb(cursor, &cursor_fb2);
+	igt_plane_set_position(cursor, 1, 2);
+	igt_display_commit2(display, COMMIT_UNIVERSAL);
+
+	drm_cursor = drmModeGetPlane(display->drm_fd, cursor->drm_plane->plane_id);
+	igt_assert(drm_cursor);
+
+	/* SetPlane specifies the fb id, do a strict check. */
+	igt_assert_eq(drm_cursor->fb_id, cursor_fb2.fb_id);
+
+	/* And compare atomic properties, to make sure the change sticks. */
+	if (display->is_atomic) {
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_FB_ID), cursor_fb2.fb_id);
+
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_CRTC_X), 1);
+		igt_assert_eq(igt_plane_get_prop(cursor, IGT_PLANE_CRTC_Y), 2);
+	}
+	drmModeFreePlane(drm_cursor);
+
+	igt_remove_fb(display->drm_fd, &cursor_fb2);
+	igt_remove_fb(display->drm_fd, &cursor_fb);
+	igt_remove_fb(display->drm_fd, &fb_info);
+}
+
 igt_main
 {
 	const int ncpus = sysconf(_SC_NPROCESSORS_ONLN);
@@ -1458,6 +1533,9 @@ igt_main
 	igt_subtest("flip-vs-cursor-busy-crc-atomic")
 		flip_vs_cursor_busy_crc(&display, true);
 
+	igt_subtest("verify-cursor-parameters")
+		verify_cursor_parameters(&display);
+
 	for (i = 0; i <= flip_test_last; i++) {
 		const char *modes[flip_test_last+1] = {
 			"legacy",
-- 
2.16.2

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