1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Test cases for the drm_format functions
4 *
5 * Copyright (c) 2022 Maíra Canal <mairacanal@riseup.net>
6 */
7
8#include <kunit/test.h>
9
10#include <drm/drm_fourcc.h>
11
12static void drm_test_format_block_width_invalid(struct kunit *test)
13{
14 const struct drm_format_info *info = NULL;
15
16 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 0);
17 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0);
18 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 0);
19}
20
21static void drm_test_format_block_width_one_plane(struct kunit *test)
22{
23 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_XRGB4444);
24
25 KUNIT_ASSERT_NOT_NULL(test, info);
26
27 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 1);
28 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 0);
29 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0);
30}
31
32static void drm_test_format_block_width_two_plane(struct kunit *test)
33{
34 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_NV12);
35
36 KUNIT_ASSERT_NOT_NULL(test, info);
37
38 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 1);
39 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 1);
40 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 2), 0);
41 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0);
42}
43
44static void drm_test_format_block_width_three_plane(struct kunit *test)
45{
46 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_YUV422);
47
48 KUNIT_ASSERT_NOT_NULL(test, info);
49
50 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 1);
51 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 1);
52 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 2), 1);
53 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 3), 0);
54 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0);
55}
56
57static void drm_test_format_block_width_tiled(struct kunit *test)
58{
59 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_X0L0);
60
61 KUNIT_ASSERT_NOT_NULL(test, info);
62
63 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 2);
64 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 0);
65 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0);
66}
67
68static void drm_test_format_block_height_invalid(struct kunit *test)
69{
70 const struct drm_format_info *info = NULL;
71
72 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 0);
73 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0);
74 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 0);
75}
76
77static void drm_test_format_block_height_one_plane(struct kunit *test)
78{
79 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_XRGB4444);
80
81 KUNIT_ASSERT_NOT_NULL(test, info);
82
83 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 1);
84 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0);
85 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 0);
86}
87
88static void drm_test_format_block_height_two_plane(struct kunit *test)
89{
90 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_NV12);
91
92 KUNIT_ASSERT_NOT_NULL(test, info);
93
94 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 1);
95 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 1);
96 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 2), 0);
97 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0);
98}
99
100static void drm_test_format_block_height_three_plane(struct kunit *test)
101{
102 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_YUV422);
103
104 KUNIT_ASSERT_NOT_NULL(test, info);
105
106 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 1);
107 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 1);
108 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 2), 1);
109 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 3), 0);
110 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0);
111}
112
113static void drm_test_format_block_height_tiled(struct kunit *test)
114{
115 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_X0L0);
116
117 KUNIT_ASSERT_NOT_NULL(test, info);
118
119 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 2);
120 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 0);
121 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0);
122}
123
124static void drm_test_format_min_pitch_invalid(struct kunit *test)
125{
126 const struct drm_format_info *info = NULL;
127
128 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0);
129 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0);
130 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0);
131}
132
133static void drm_test_format_min_pitch_one_plane_8bpp(struct kunit *test)
134{
135 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_RGB332);
136
137 KUNIT_ASSERT_NOT_NULL(test, info);
138
139 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0);
140 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0);
141 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0);
142
143 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
144 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
145 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
146 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
147 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
148 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
149 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
150 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
151 (uint64_t)UINT_MAX);
152 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
153 (uint64_t)(UINT_MAX - 1));
154}
155
156static void drm_test_format_min_pitch_one_plane_16bpp(struct kunit *test)
157{
158 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_XRGB4444);
159
160 KUNIT_ASSERT_NOT_NULL(test, info);
161
162 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0);
163 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0);
164 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0);
165
166 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2);
167 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4);
168 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280);
169 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048);
170 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840);
171 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192);
172 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342);
173 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
174 (uint64_t)UINT_MAX * 2);
175 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
176 (uint64_t)(UINT_MAX - 1) * 2);
177}
178
179static void drm_test_format_min_pitch_one_plane_24bpp(struct kunit *test)
180{
181 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_RGB888);
182
183 KUNIT_ASSERT_NOT_NULL(test, info);
184
185 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0);
186 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0);
187 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0);
188
189 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 3);
190 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 6);
191 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1920);
192 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 3072);
193 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 5760);
194 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 12288);
195 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2013);
196 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
197 (uint64_t)UINT_MAX * 3);
198 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1),
199 (uint64_t)(UINT_MAX - 1) * 3);
200}
201
202static void drm_test_format_min_pitch_one_plane_32bpp(struct kunit *test)
203{
204 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_ABGR8888);
205
206 KUNIT_ASSERT_NOT_NULL(test, info);
207
208 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0);
209 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0);
210 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0);
211
212 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 4);
213 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 8);
214 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 2560);
215 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 4096);
216 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 7680);
217 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 16384);
218 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2684);
219 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
220 (uint64_t)UINT_MAX * 4);
221 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1),
222 (uint64_t)(UINT_MAX - 1) * 4);
223}
224
225static void drm_test_format_min_pitch_two_plane(struct kunit *test)
226{
227 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_NV12);
228
229 KUNIT_ASSERT_NOT_NULL(test, info);
230
231 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0);
232 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0);
233 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0);
234 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 0), 0);
235
236 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
237 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2);
238 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
239 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2);
240 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
241 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 640);
242 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
243 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 1024);
244 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
245 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 1920);
246 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
247 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 4096);
248 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
249 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 672);
250 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
251 (uint64_t)UINT_MAX);
252 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1),
253 (uint64_t)UINT_MAX + 1);
254 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
255 (uint64_t)(UINT_MAX - 1));
256 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2),
257 (uint64_t)(UINT_MAX - 1));
258}
259
260static void drm_test_format_min_pitch_three_plane_8bpp(struct kunit *test)
261{
262 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_YUV422);
263
264 KUNIT_ASSERT_NOT_NULL(test, info);
265
266 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0);
267 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0);
268 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 0), 0);
269 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0);
270 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 3, 0), 0);
271
272 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
273 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 1);
274 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 1), 1);
275 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
276 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2), 2);
277 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2), 2);
278 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
279 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 320);
280 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 320), 320);
281 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
282 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 512);
283 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 512), 512);
284 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
285 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 960);
286 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 960), 960);
287 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
288 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 2048);
289 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2048), 2048);
290 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
291 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 336);
292 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 336), 336);
293 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
294 (uint64_t)UINT_MAX);
295 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1),
296 (uint64_t)UINT_MAX / 2 + 1);
297 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, UINT_MAX / 2 + 1),
298 (uint64_t)UINT_MAX / 2 + 1);
299 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1) / 2),
300 (uint64_t)(UINT_MAX - 1) / 2);
301 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2),
302 (uint64_t)(UINT_MAX - 1) / 2);
303 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, (UINT_MAX - 1) / 2),
304 (uint64_t)(UINT_MAX - 1) / 2);
305}
306
307static void drm_test_format_min_pitch_tiled(struct kunit *test)
308{
309 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_X0L2);
310
311 KUNIT_ASSERT_NOT_NULL(test, info);
312
313 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0);
314 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0);
315 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0);
316
317 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2);
318 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4);
319 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280);
320 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048);
321 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840);
322 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192);
323 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342);
324 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
325 (uint64_t)UINT_MAX * 2);
326 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1),
327 (uint64_t)(UINT_MAX - 1) * 2);
328}
329
330static struct kunit_case drm_format_tests[] = {
331 KUNIT_CASE(drm_test_format_block_width_invalid),
332 KUNIT_CASE(drm_test_format_block_width_one_plane),
333 KUNIT_CASE(drm_test_format_block_width_two_plane),
334 KUNIT_CASE(drm_test_format_block_width_three_plane),
335 KUNIT_CASE(drm_test_format_block_width_tiled),
336 KUNIT_CASE(drm_test_format_block_height_invalid),
337 KUNIT_CASE(drm_test_format_block_height_one_plane),
338 KUNIT_CASE(drm_test_format_block_height_two_plane),
339 KUNIT_CASE(drm_test_format_block_height_three_plane),
340 KUNIT_CASE(drm_test_format_block_height_tiled),
341 KUNIT_CASE(drm_test_format_min_pitch_invalid),
342 KUNIT_CASE(drm_test_format_min_pitch_one_plane_8bpp),
343 KUNIT_CASE(drm_test_format_min_pitch_one_plane_16bpp),
344 KUNIT_CASE(drm_test_format_min_pitch_one_plane_24bpp),
345 KUNIT_CASE(drm_test_format_min_pitch_one_plane_32bpp),
346 KUNIT_CASE(drm_test_format_min_pitch_two_plane),
347 KUNIT_CASE(drm_test_format_min_pitch_three_plane_8bpp),
348 KUNIT_CASE(drm_test_format_min_pitch_tiled),
349 {}
350};
351
352static struct kunit_suite drm_format_test_suite = {
353 .name = "drm_format",
354 .test_cases = drm_format_tests,
355};
356
357kunit_test_suite(drm_format_test_suite);
358
359MODULE_DESCRIPTION("Test cases for the drm_format functions");
360MODULE_LICENSE("GPL");
361

source code of linux/drivers/gpu/drm/tests/drm_format_test.c