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linux/drivers/gpu/drm/tests/drm_format_test.c
Maíra Canal 0421bb0baa
drm: selftest: convert drm_format selftest to KUnit 
Considering the current adoption of the KUnit framework, convert the
DRM format selftest to the KUnit API.

Tested-by: David Gow <davidgow@google.com>
Acked-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Maíra Canal <maira.canal@usp.br>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708203052.236290-5-maira.canal@usp.br
2022-07-11 13:59:57 +02:00

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// SPDX-License-Identifier: GPL-2.0
/*
* Test cases for the drm_format functions
*
* Copyright (c) 2022 Maíra Canal <mairacanal@riseup.net>
*/
#include <kunit/test.h>
#include <drm/drm_fourcc.h>
static void igt_check_drm_format_block_width(struct kunit *test)
{
const struct drm_format_info *info = NULL;
/* Test invalid arguments */
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 1));
/* Test 1 plane format */
info = drm_format_info(DRM_FORMAT_XRGB4444);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 1));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
/* Test 2 planes format */
info = drm_format_info(DRM_FORMAT_NV12);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 0));
KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 1));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 2));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
/* Test 3 planes format */
info = drm_format_info(DRM_FORMAT_YUV422);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 0));
KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 1));
KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 2));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 3));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
/* Test a tiled format */
info = drm_format_info(DRM_FORMAT_X0L0);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 2);
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 1));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
}
static void igt_check_drm_format_block_height(struct kunit *test)
{
const struct drm_format_info *info = NULL;
/* Test invalid arguments */
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 1));
/* Test 1 plane format */
info = drm_format_info(DRM_FORMAT_XRGB4444);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 1));
/* Test 2 planes format */
info = drm_format_info(DRM_FORMAT_NV12);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 0));
KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 1));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 2));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
/* Test 3 planes format */
info = drm_format_info(DRM_FORMAT_YUV422);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 0));
KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 1));
KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 2));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 3));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
/* Test a tiled format */
info = drm_format_info(DRM_FORMAT_X0L0);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 2);
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 1));
KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
}
static void igt_check_drm_format_min_pitch(struct kunit *test)
{
const struct drm_format_info *info = NULL;
/* Test invalid arguments */
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
/* Test 1 plane 8 bits per pixel format */
info = drm_format_info(DRM_FORMAT_RGB332);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
(uint64_t)UINT_MAX);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
(uint64_t)(UINT_MAX - 1));
/* Test 1 plane 16 bits per pixel format */
info = drm_format_info(DRM_FORMAT_XRGB4444);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
(uint64_t)UINT_MAX * 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
(uint64_t)(UINT_MAX - 1) * 2);
/* Test 1 plane 24 bits per pixel format */
info = drm_format_info(DRM_FORMAT_RGB888);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 3);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 6);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1920);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 3072);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 5760);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 12288);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2013);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
(uint64_t)UINT_MAX * 3);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
(uint64_t)(UINT_MAX - 1) * 3);
/* Test 1 plane 32 bits per pixel format */
info = drm_format_info(DRM_FORMAT_ABGR8888);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 4);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 8);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 2560);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 4096);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 7680);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 16384);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2684);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
(uint64_t)UINT_MAX * 4);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
(uint64_t)(UINT_MAX - 1) * 4);
/* Test 2 planes format */
info = drm_format_info(DRM_FORMAT_NV12);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 2, 0));
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 640);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 1024);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 1920);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 4096);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 672);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
(uint64_t)UINT_MAX);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1),
(uint64_t)UINT_MAX + 1);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
(uint64_t)(UINT_MAX - 1));
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2),
(uint64_t)(UINT_MAX - 1));
/* Test 3 planes 8 bits per pixel format */
info = drm_format_info(DRM_FORMAT_YUV422);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 2, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 3, 0));
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 1);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 1), 1);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 320);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 320), 320);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 512);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 512), 512);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 960);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 960), 960);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 2048);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2048), 2048);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 336);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 336), 336);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
(uint64_t)UINT_MAX);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1),
(uint64_t)UINT_MAX / 2 + 1);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, UINT_MAX / 2 + 1),
(uint64_t)UINT_MAX / 2 + 1);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1) / 2),
(uint64_t)(UINT_MAX - 1) / 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2),
(uint64_t)(UINT_MAX - 1) / 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, (UINT_MAX - 1) / 2),
(uint64_t)(UINT_MAX - 1) / 2);
/* Test tiled format */
info = drm_format_info(DRM_FORMAT_X0L2);
KUNIT_EXPECT_TRUE(test, info);
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
(uint64_t)UINT_MAX * 2);
KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1),
(uint64_t)(UINT_MAX - 1) * 2);
}
static struct kunit_case drm_format_tests[] = {
KUNIT_CASE(igt_check_drm_format_block_width),
KUNIT_CASE(igt_check_drm_format_block_height),
KUNIT_CASE(igt_check_drm_format_min_pitch),
{ }
};
static struct kunit_suite drm_format_test_suite = {
.name = "drm_format",
.test_cases = drm_format_tests,
};
kunit_test_suite(drm_format_test_suite);
MODULE_LICENSE("GPL");
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