From: Carlos Eduardo Gallo Filho <gcarlos@disroot.org>
Date: Wed, 11 Sep 2024 00:15:29 +0000 (-0300)
Subject: drm/tests: Add test case for drm_internal_framebuffer_create()
X-Git-Tag: v6.13-rc1~122^2~23^2~53
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fa90bc49882841b4985dd01f37a8d7703e832a6a;p=thirdparty%2Flinux.git

drm/tests: Add test case for drm_internal_framebuffer_create()

Introduce a test to cover the creation of framebuffer with
modifier on a device that doesn't support it.

Signed-off-by: Carlos Eduardo Gallo Filho <gcarlos@disroot.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240911001559.28284-5-gcarlos@disroot.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---

diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c
index 4b1884be9d7a2..2ea3abfd5e7a8 100644
--- a/drivers/gpu/drm/tests/drm_framebuffer_test.c
+++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c
@@ -415,8 +415,32 @@ static void drm_framebuffer_test_to_desc(const struct drm_framebuffer_test *t, c
 KUNIT_ARRAY_PARAM(drm_framebuffer_create, drm_framebuffer_create_cases,
 		  drm_framebuffer_test_to_desc);
 
+/* Tries to create a framebuffer with modifiers without drm_device supporting it */
+static void drm_test_framebuffer_modifiers_not_supported(struct kunit *test)
+{
+	struct drm_framebuffer_test_priv *priv = test->priv;
+	struct drm_device *dev = &priv->dev;
+	struct drm_framebuffer *fb;
+
+	/* A valid cmd with modifier */
+	struct drm_mode_fb_cmd2 cmd = {
+		.width = MAX_WIDTH, .height = MAX_HEIGHT,
+		.pixel_format = DRM_FORMAT_ABGR8888, .handles = { 1, 0, 0 },
+		.offsets = { UINT_MAX / 2, 0, 0 }, .pitches = { 4 * MAX_WIDTH, 0, 0 },
+		.flags = DRM_MODE_FB_MODIFIERS,
+	};
+
+	priv->buffer_created = false;
+	dev->mode_config.fb_modifiers_not_supported = 1;
+
+	fb = drm_internal_framebuffer_create(dev, &cmd, NULL);
+	KUNIT_EXPECT_EQ(test, priv->buffer_created, false);
+	KUNIT_EXPECT_EQ(test, PTR_ERR(fb), -EINVAL);
+}
+
 static struct kunit_case drm_framebuffer_tests[] = {
 	KUNIT_CASE_PARAM(drm_test_framebuffer_create, drm_framebuffer_create_gen_params),
+	KUNIT_CASE(drm_test_framebuffer_modifiers_not_supported),
 	{ }
 };