[PATCH v2 3/4] drm/tests: Add parameters to the drm_test_framebuffer_create test

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Extend the existing test case to cover:
1. Invalid flag atribute in the struct drm_mode_fb_cmd2.
2. Pixel format which requires non-linear modifier with
DRM_FORMAT_MOD_LINEAR set.
3. Non-zero buffer offset for an unused plane

Also replace strcpy to strscpy on test_to_desc for improved security
and reliability.

Signed-off-by: Carlos Eduardo Gallo Filho <gcarlos@xxxxxxxxxxx>
---
 drivers/gpu/drm/tests/drm_framebuffer_test.c | 23 +++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c
index ee92120cd8e9..cbab12503f5f 100644
--- a/drivers/gpu/drm/tests/drm_framebuffer_test.c
+++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c
@@ -20,6 +20,8 @@
 #define MIN_HEIGHT 4
 #define MAX_HEIGHT 4096
 
+#define DRM_MODE_FB_INVALID BIT(2)
+
 struct drm_framebuffer_test {
 	int buffer_created;
 	struct drm_mode_fb_cmd2 cmd;
@@ -84,6 +86,18 @@ static const struct drm_framebuffer_test drm_framebuffer_create_cases[] = {
 		 .pitches = { 4 * MAX_WIDTH, 0, 0 },
 	}
 },
+{ .buffer_created = 0, .name = "ABGR8888 Non-zero buffer offset for unused plane",
+	.cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888,
+		 .handles = { 1, 0, 0 }, .offsets = { UINT_MAX / 2, UINT_MAX / 2, 0 },
+		 .pitches = { 4 * MAX_WIDTH, 0, 0 }, .flags = DRM_MODE_FB_MODIFIERS,
+	}
+},
+{ .buffer_created = 0, .name = "ABGR8888 Invalid flag",
+	.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_INVALID,
+	}
+},
 { .buffer_created = 1, .name = "ABGR8888 Set DRM_MODE_FB_MODIFIERS without modifiers",
 	.cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888,
 		 .handles = { 1, 0, 0 }, .offsets = { UINT_MAX / 2, 0, 0 },
@@ -263,6 +277,13 @@ static const struct drm_framebuffer_test drm_framebuffer_create_cases[] = {
 		 .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2), DIV_ROUND_UP(MAX_WIDTH, 2) },
 	}
 },
+{ .buffer_created = 0, .name = "YUV420_10BIT Invalid modifier(DRM_FORMAT_MOD_LINEAR)",
+	.cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YUV420_10BIT,
+		 .handles = { 1, 0, 0 }, .flags = DRM_MODE_FB_MODIFIERS,
+		 .modifier = { DRM_FORMAT_MOD_LINEAR, 0, 0 },
+		 .pitches = { MAX_WIDTH, 0, 0 },
+	}
+},
 { .buffer_created = 1, .name = "X0L2 Normal sizes",
 	.cmd = { .width = 600, .height = 600, .pixel_format = DRM_FORMAT_X0L2,
 		 .handles = { 1, 0, 0 }, .pitches = { 1200, 0, 0 }
@@ -361,7 +382,7 @@ static void drm_test_framebuffer_create(struct kunit *test)
 
 static void drm_framebuffer_test_to_desc(const struct drm_framebuffer_test *t, char *desc)
 {
-	strcpy(desc, t->name);
+	strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);
 }
 
 KUNIT_ARRAY_PARAM(drm_framebuffer_create, drm_framebuffer_create_cases,
-- 
2.41.0




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