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// SPDX-License-Identifier: GPL-2.0+
#include <kunit/test.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_kunit_helpers.h>
#include "../sysfb/drm_sysfb_helper.h"
#define TEST_BUF_SIZE 50
struct sysfb_build_fourcc_list_case {
const char *name;
u32 native_fourccs[TEST_BUF_SIZE];
size_t native_fourccs_size;
u32 expected[TEST_BUF_SIZE];
size_t expected_fourccs_size;
};
static struct sysfb_build_fourcc_list_case sysfb_build_fourcc_list_cases[] = {
{
.name = "no native formats",
.native_fourccs = { },
.native_fourccs_size = 0,
.expected = { DRM_FORMAT_XRGB8888 },
.expected_fourccs_size = 1,
},
{
.name = "XRGB8888 as native format",
.native_fourccs = { DRM_FORMAT_XRGB8888 },
.native_fourccs_size = 1,
.expected = { DRM_FORMAT_XRGB8888 },
.expected_fourccs_size = 1,
},
{
.name = "remove duplicates",
.native_fourccs = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_RGB888,
DRM_FORMAT_RGB888,
DRM_FORMAT_RGB888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_RGB888,
DRM_FORMAT_RGB565,
DRM_FORMAT_RGB888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_RGB565,
DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
},
.native_fourccs_size = 11,
.expected = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_RGB888,
DRM_FORMAT_RGB565,
},
.expected_fourccs_size = 3,
},
{
.name = "convert alpha formats",
.native_fourccs = {
DRM_FORMAT_ARGB1555,
DRM_FORMAT_ABGR1555,
DRM_FORMAT_RGBA5551,
DRM_FORMAT_BGRA5551,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_RGBA8888,
DRM_FORMAT_BGRA8888,
DRM_FORMAT_ARGB2101010,
DRM_FORMAT_ABGR2101010,
DRM_FORMAT_RGBA1010102,
DRM_FORMAT_BGRA1010102,
},
.native_fourccs_size = 12,
.expected = {
DRM_FORMAT_XRGB1555,
DRM_FORMAT_XBGR1555,
DRM_FORMAT_RGBX5551,
DRM_FORMAT_BGRX5551,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_RGBX8888,
DRM_FORMAT_BGRX8888,
DRM_FORMAT_XRGB2101010,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_RGBX1010102,
DRM_FORMAT_BGRX1010102,
},
.expected_fourccs_size = 12,
},
{
.name = "random formats",
.native_fourccs = {
DRM_FORMAT_Y212,
DRM_FORMAT_ARGB1555,
DRM_FORMAT_ABGR16161616F,
DRM_FORMAT_C8,
DRM_FORMAT_BGR888,
DRM_FORMAT_XRGB1555,
DRM_FORMAT_RGBA5551,
DRM_FORMAT_BGR565_A8,
DRM_FORMAT_R10,
DRM_FORMAT_XYUV8888,
},
.native_fourccs_size = 10,
.expected = {
DRM_FORMAT_Y212,
DRM_FORMAT_XRGB1555,
DRM_FORMAT_ABGR16161616F,
DRM_FORMAT_C8,
DRM_FORMAT_BGR888,
DRM_FORMAT_RGBX5551,
DRM_FORMAT_BGR565_A8,
DRM_FORMAT_R10,
DRM_FORMAT_XYUV8888,
DRM_FORMAT_XRGB8888,
},
.expected_fourccs_size = 10,
},
};
static void sysfb_build_fourcc_list_case_desc(struct sysfb_build_fourcc_list_case *t, char *desc)
{
strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);
}
KUNIT_ARRAY_PARAM(sysfb_build_fourcc_list, sysfb_build_fourcc_list_cases,
sysfb_build_fourcc_list_case_desc);
static void drm_test_sysfb_build_fourcc_list(struct kunit *test)
{
const struct sysfb_build_fourcc_list_case *params = test->param_value;
u32 fourccs_out[TEST_BUF_SIZE] = {0};
size_t nfourccs_out;
struct drm_device *drm;
struct device *dev;
dev = drm_kunit_helper_alloc_device(test);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
drm = __drm_kunit_helper_alloc_drm_device(test, dev, sizeof(*drm), 0, DRIVER_MODESET);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, drm);
nfourccs_out = drm_sysfb_build_fourcc_list(drm, params->native_fourccs,
params->native_fourccs_size,
fourccs_out, TEST_BUF_SIZE);
KUNIT_EXPECT_EQ(test, nfourccs_out, params->expected_fourccs_size);
KUNIT_EXPECT_MEMEQ(test, fourccs_out, params->expected, TEST_BUF_SIZE);
}
static struct kunit_case drm_sysfb_modeset_test_cases[] = {
KUNIT_CASE_PARAM(drm_test_sysfb_build_fourcc_list, sysfb_build_fourcc_list_gen_params),
{}
};
static struct kunit_suite drm_sysfb_modeset_test_suite = {
.name = "drm_sysfb_modeset_test",
.test_cases = drm_sysfb_modeset_test_cases,
};
kunit_test_suite(drm_sysfb_modeset_test_suite);
MODULE_DESCRIPTION("KUnit tests for the drm_sysfb_modeset APIs");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("José Expósito <jose.exposito89@gmail.com>");
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