Add a parametrized test for the drm_framebuffer_check_src_coords function. Signed-off-by: Carlos Eduardo Gallo Filho <gcarlos@xxxxxxxxxxx> --- drivers/gpu/drm/tests/drm_framebuffer_test.c | 107 +++++++++++++++++++ 1 file changed, 107 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c index f759d9f3b76e..175146f7ac9e 100644 --- a/drivers/gpu/drm/tests/drm_framebuffer_test.c +++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c @@ -9,6 +9,7 @@ #include <drm/drm_device.h> #include <drm/drm_mode.h> +#include <drm/drm_framebuffer.h> #include <drm/drm_fourcc.h> #include <drm/drm_print.h> @@ -366,8 +367,114 @@ 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); +struct check_src_coords_case { + const int expect; + const uint32_t src_x; + const uint32_t src_y; + const uint32_t src_w; + const uint32_t src_h; + const struct drm_framebuffer fb; + const char *name; +}; + +static const struct check_src_coords_case check_src_coords_cases[] = { + { .name = "source inside framebuffer", + .expect = 0, + .src_x = 500 << 16, .src_y = 700 << 16, + .src_w = 100 << 16, .src_h = 100 << 16, + .fb = { .width = 600, .height = 800 } + }, + { .name = "out of bound with normal sizes and coordinates", + .expect = -ENOSPC, + .src_x = (500 << 16) + 1, .src_y = (700 << 16) + 1, + .src_w = 100 << 16, .src_h = 100 << 16, + .fb = { .width = 600, .height = 800 } + }, + { .name = "source width higher than framebuffer width", + .expect = -ENOSPC, + .src_x = 0, .src_y = 700 << 16, + .src_w = (600 << 16) + 1, .src_h = 100 << 16, + .fb = { .width = 600, .height = 800 } + }, + { .name = "source width equal framebuffer width with x coordinates 0", + .expect = 0, + .src_x = 0, .src_y = 700 << 16, + .src_w = 600 << 16, .src_h = 100 << 16, + .fb = { .width = 600, .height = 800 } + }, + { .name = "source width equal framebuffer width with non-zero x coordinate", + .expect = -ENOSPC, + .src_x = 1, .src_y = 700 << 16, + .src_w = 600 << 16, .src_h = 100 << 16, + .fb = { .width = 600, .height = 800 } + }, + { .name = "out of bound with normal width and x", + .expect = -ENOSPC, + .src_x = (500 << 16) + 1, .src_y = 700 << 16, + .src_w = 100 << 16, .src_h = 100 << 16, + .fb = { .width = 600, .height = 800 } + }, + { .name = "x coordinate higher than framebuffer width", + .expect = -ENOSPC, + .src_x = (600 << 16) + 1, .src_y = 700 << 16, + .src_w = 0, .src_h = 100 << 16, + .fb = { .width = 600, .height = 800 } + }, + { .name = "source height higher than framebuffer height", + .expect = -ENOSPC, + .src_x = 700 << 16, .src_y = 0, + .src_w = 100 << 16, .src_h = (600 << 16) + 1, + .fb = { .width = 800, .height = 600 } + }, + { .name = "source height equal framebuffer height with y coordinates 0", + .expect = 0, + .src_x = 700 << 16, .src_y = 0, + .src_w = 100 << 16, .src_h = 600 << 16, + .fb = { .width = 800, .height = 600 } + }, + { .name = "source height equal framebuffer height with non-zero y coordinate", + .expect = -ENOSPC, + .src_x = 700 << 16, .src_y = 1, + .src_w = 100 << 16, .src_h = 600 << 16, + .fb = { .width = 800, .height = 600 } + }, + { .name = "out of bound with normal height and y", + .expect = -ENOSPC, + .src_x = 700 << 16, .src_y = (500 << 16) + 1, + .src_w = 100 << 16, .src_h = 100 << 16, + .fb = { .width = 800, .height = 600 } + }, + { .name = "y coordinate higher than framebuffer height", + .expect = -ENOSPC, + .src_x = 700 << 16, .src_y = (600 << 16) + 1, + .src_w = 100 << 16, .src_h = 0, + .fb = { .width = 800, .height = 600 } + }, +}; + +static void drm_test_framebuffer_check_src_coords(struct kunit *test) +{ + const struct check_src_coords_case *params = test->param_value; + int r; + + r = drm_framebuffer_check_src_coords(params->src_x, params->src_y, + params->src_w, params->src_h, + ¶ms->fb); + KUNIT_EXPECT_EQ(test, r, params->expect); +} + +static void check_src_coords_test_to_desc(const struct check_src_coords_case *t, + char *desc) +{ + strcpy(desc, t->name); +} + +KUNIT_ARRAY_PARAM(check_src_coords, check_src_coords_cases, + check_src_coords_test_to_desc); + static struct kunit_case drm_framebuffer_tests[] = { KUNIT_CASE_PARAM(drm_test_framebuffer_create, drm_framebuffer_create_gen_params), + KUNIT_CASE_PARAM(drm_test_framebuffer_check_src_coords, check_src_coords_gen_params), { } }; -- 2.41.0