[PATCH 5/5] drm/test: Test drm_rect_rotate_inv()

[Arthur Grillo]

Insert test for the drm_rect_rotate_inv() function, by expanding the
existing test framework for the drm_rect_rotate().

Signed-off-by: Arthur Grillo <arthurgrillo at riseup.net>
---
 drivers/gpu/drm/tests/drm_rect_test.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c
index 46139e796f3f..6d41c0a3cae0 100644
--- a/drivers/gpu/drm/tests/drm_rect_test.c
+++ b/drivers/gpu/drm/tests/drm_rect_test.c
@@ -406,6 +406,18 @@ static void drm_test_rect_rotate(struct kunit *test)
 	drm_rect_compare(test, &r, &params->expected);
 }
 
+static void drm_test_rect_rotate_inv(struct kunit *test)
+{
+	const struct drm_rect_rotate_case *params = test->param_value;
+	struct drm_rect r;
+
+	memcpy(&r, &params->expected, sizeof(struct drm_rect));
+
+	drm_rect_rotate_inv(&r, params->width, params->height, params->rotation);
+
+	drm_rect_compare(test, &r, &params->rect);
+}
+
 static struct kunit_case drm_rect_tests[] = {
 	KUNIT_CASE(drm_test_rect_clip_scaled_div_by_zero),
 	KUNIT_CASE(drm_test_rect_clip_scaled_not_clipped),
@@ -419,6 +431,7 @@ static struct kunit_case drm_rect_tests[] = {
 	KUNIT_CASE(drm_test_rect_calc_vscale_out_of_range),
 	KUNIT_CASE(drm_test_rect_calc_vscale_negative_args),
 	KUNIT_CASE_PARAM(drm_test_rect_rotate, drm_rect_rotate_gen_params),
+	KUNIT_CASE_PARAM(drm_test_rect_rotate_inv, drm_rect_rotate_gen_params),
 	{ }
 };
 
-- 
2.39.2