diff options
Diffstat (limited to 'drivers/gpu/drm/tests/drm_framebuffer_test.c')
| -rw-r--r-- | drivers/gpu/drm/tests/drm_framebuffer_test.c | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c new file mode 100644 index 000000000000..ec7a08ba4056 --- /dev/null +++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c @@ -0,0 +1,375 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Test cases for the drm_framebuffer functions + * + * Copyright (c) 2022 Maíra Canal <mairacanal@riseup.net> + */ + +#include <kunit/test.h> + +#include <drm/drm_device.h> +#include <drm/drm_mode.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_print.h> + +#include "../drm_crtc_internal.h" + +#define MIN_WIDTH 4 +#define MAX_WIDTH 4096 +#define MIN_HEIGHT 4 +#define MAX_HEIGHT 4096 + +struct drm_framebuffer_test { + int buffer_created; + struct drm_mode_fb_cmd2 cmd; + const char *name; +}; + +static struct drm_framebuffer_test createbuffer_tests[] = { +{ .buffer_created = 1, .name = "ABGR8888 normal sizes", + .cmd = { .width = 600, .height = 600, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .pitches = { 4 * 600, 0, 0 }, + } +}, +{ .buffer_created = 1, .name = "ABGR8888 max sizes", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .pitches = { 4 * MAX_WIDTH, 0, 0 }, + } +}, +{ .buffer_created = 1, .name = "ABGR8888 pitch greater than min required", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .pitches = { 4 * MAX_WIDTH + 1, 0, 0 }, + } +}, +{ .buffer_created = 0, .name = "ABGR8888 pitch less than min required", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .pitches = { 4 * MAX_WIDTH - 1, 0, 0 }, + } +}, +{ .buffer_created = 0, .name = "ABGR8888 Invalid width", + .cmd = { .width = MAX_WIDTH + 1, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .pitches = { 4 * (MAX_WIDTH + 1), 0, 0 }, + } +}, +{ .buffer_created = 0, .name = "ABGR8888 Invalid buffer handle", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 0, 0, 0 }, .pitches = { 4 * MAX_WIDTH, 0, 0 }, + } +}, +{ .buffer_created = 0, .name = "No pixel format", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = 0, + .handles = { 1, 0, 0 }, .pitches = { 4 * MAX_WIDTH, 0, 0 }, + } +}, +{ .buffer_created = 0, .name = "ABGR8888 Width 0", + .cmd = { .width = 0, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .pitches = { 4 * MAX_WIDTH, 0, 0 }, + } +}, +{ .buffer_created = 0, .name = "ABGR8888 Height 0", + .cmd = { .width = MAX_WIDTH, .height = 0, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .pitches = { 4 * MAX_WIDTH, 0, 0 }, + } +}, +{ .buffer_created = 0, .name = "ABGR8888 Out of bound height * pitch combination", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .offsets = { UINT_MAX - 1, 0, 0 }, + .pitches = { 4 * MAX_WIDTH, 0, 0 }, + } +}, +{ .buffer_created = 1, .name = "ABGR8888 Large buffer offset", + .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 }, + } +}, +{ .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 }, + .pitches = { 4 * MAX_WIDTH, 0, 0 }, .flags = DRM_MODE_FB_MODIFIERS, + } +}, +{ .buffer_created = 1, .name = "ABGR8888 Valid buffer modifier", + .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_MODIFIERS, + .modifier = { AFBC_FORMAT_MOD_YTR, 0, 0 }, + } +}, +{ .buffer_created = 0, + .name = "ABGR8888 Invalid buffer modifier(DRM_FORMAT_MOD_SAMSUNG_64_32_TILE)", + .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_MODIFIERS, + .modifier = { DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, 0, 0 }, + } +}, +{ .buffer_created = 1, .name = "ABGR8888 Extra pitches without DRM_MODE_FB_MODIFIERS", + .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, 4 * MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 0, .name = "ABGR8888 Extra pitches with DRM_MODE_FB_MODIFIERS", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_ABGR8888, + .handles = { 1, 0, 0 }, .flags = DRM_MODE_FB_MODIFIERS, + .pitches = { 4 * MAX_WIDTH, 4 * MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 1, .name = "NV12 Normal sizes", + .cmd = { .width = 600, .height = 600, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 0 }, .pitches = { 600, 600, 0 }, + } +}, +{ .buffer_created = 1, .name = "NV12 Max sizes", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 0 }, .pitches = { MAX_WIDTH, MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 0, .name = "NV12 Invalid pitch", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 0 }, .pitches = { MAX_WIDTH, MAX_WIDTH - 1, 0 }, + } +}, +{ .buffer_created = 0, .name = "NV12 Invalid modifier/missing DRM_MODE_FB_MODIFIERS flag", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 0 }, .modifier = { DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, 0, 0 }, + .pitches = { MAX_WIDTH, MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 0, .name = "NV12 different modifier per-plane", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 0 }, .flags = DRM_MODE_FB_MODIFIERS, + .modifier = { DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, 0, 0 }, + .pitches = { MAX_WIDTH, MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 1, .name = "NV12 with DRM_FORMAT_MOD_SAMSUNG_64_32_TILE", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 0 }, .flags = DRM_MODE_FB_MODIFIERS, + .modifier = { DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, + DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, 0 }, + .pitches = { MAX_WIDTH, MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 0, .name = "NV12 Valid modifiers without DRM_MODE_FB_MODIFIERS", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 0 }, .modifier = { DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, + DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, 0 }, + .pitches = { MAX_WIDTH, MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 0, .name = "NV12 Modifier for inexistent plane", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 0 }, .flags = DRM_MODE_FB_MODIFIERS, + .modifier = { DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, DRM_FORMAT_MOD_SAMSUNG_64_32_TILE, + DRM_FORMAT_MOD_SAMSUNG_64_32_TILE }, + .pitches = { MAX_WIDTH, MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 0, .name = "NV12 Handle for inexistent plane", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 1 }, .flags = DRM_MODE_FB_MODIFIERS, + .pitches = { MAX_WIDTH, MAX_WIDTH, 0 }, + } +}, +{ .buffer_created = 1, .name = "NV12 Handle for inexistent plane without DRM_MODE_FB_MODIFIERS", + .cmd = { .width = 600, .height = 600, .pixel_format = DRM_FORMAT_NV12, + .handles = { 1, 1, 1 }, .pitches = { 600, 600, 600 }, + } +}, +{ .buffer_created = 1, .name = "YVU420 Normal sizes", + .cmd = { .width = 600, .height = 600, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .flags = DRM_MODE_FB_MODIFIERS, + .pitches = { 600, 300, 300 }, + } +}, +{ .buffer_created = 1, .name = "YVU420 DRM_MODE_FB_MODIFIERS set without modifier", + .cmd = { .width = 600, .height = 600, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .pitches = { 600, 300, 300 }, + } +}, +{ .buffer_created = 1, .name = "YVU420 Max sizes", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2), + DIV_ROUND_UP(MAX_WIDTH, 2) }, + } +}, +{ .buffer_created = 0, .name = "YVU420 Invalid pitch", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2) - 1, + DIV_ROUND_UP(MAX_WIDTH, 2) }, + } +}, +{ .buffer_created = 1, .name = "YVU420 Different pitches", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2) + 1, + DIV_ROUND_UP(MAX_WIDTH, 2) + 7 }, + } +}, +{ .buffer_created = 1, .name = "YVU420 Different buffer offsets/pitches", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .offsets = { MAX_WIDTH, MAX_WIDTH + + MAX_WIDTH * MAX_HEIGHT, MAX_WIDTH + 2 * MAX_WIDTH * MAX_HEIGHT }, + .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2) + 1, + DIV_ROUND_UP(MAX_WIDTH, 2) + 7 }, + } +}, +{ .buffer_created = 0, + .name = "YVU420 Modifier set just for plane 0, without DRM_MODE_FB_MODIFIERS", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .modifier = { AFBC_FORMAT_MOD_SPARSE, 0, 0 }, + .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2), DIV_ROUND_UP(MAX_WIDTH, 2) }, + } +}, +{ .buffer_created = 0, + .name = "YVU420 Modifier set just for planes 0, 1, without DRM_MODE_FB_MODIFIERS", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, + .modifier = { AFBC_FORMAT_MOD_SPARSE, AFBC_FORMAT_MOD_SPARSE, 0 }, + .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2), DIV_ROUND_UP(MAX_WIDTH, 2) }, + } +}, +{ .buffer_created = 0, + .name = "YVU420 Modifier set just for plane 0, 1, with DRM_MODE_FB_MODIFIERS", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .flags = DRM_MODE_FB_MODIFIERS, + .modifier = { AFBC_FORMAT_MOD_SPARSE, AFBC_FORMAT_MOD_SPARSE, 0 }, + .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2), DIV_ROUND_UP(MAX_WIDTH, 2) }, + } +}, +{ .buffer_created = 1, .name = "YVU420 Valid modifier", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .flags = DRM_MODE_FB_MODIFIERS, + .modifier = { AFBC_FORMAT_MOD_SPARSE, AFBC_FORMAT_MOD_SPARSE, + AFBC_FORMAT_MOD_SPARSE }, + .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2), DIV_ROUND_UP(MAX_WIDTH, 2) }, + } +}, +{ .buffer_created = 0, .name = "YVU420 Different modifiers per plane", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .flags = DRM_MODE_FB_MODIFIERS, + .modifier = { AFBC_FORMAT_MOD_SPARSE, AFBC_FORMAT_MOD_SPARSE | AFBC_FORMAT_MOD_YTR, + AFBC_FORMAT_MOD_SPARSE }, + .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2), DIV_ROUND_UP(MAX_WIDTH, 2) }, + } +}, +{ .buffer_created = 0, .name = "YVU420 Modifier for inexistent plane", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_YVU420, + .handles = { 1, 1, 1 }, .flags = DRM_MODE_FB_MODIFIERS, + .modifier = { AFBC_FORMAT_MOD_SPARSE, AFBC_FORMAT_MOD_SPARSE, + AFBC_FORMAT_MOD_SPARSE, AFBC_FORMAT_MOD_SPARSE }, + .pitches = { MAX_WIDTH, DIV_ROUND_UP(MAX_WIDTH, 2), DIV_ROUND_UP(MAX_WIDTH, 2) }, + } +}, +{ .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 } + } +}, +{ .buffer_created = 1, .name = "X0L2 Max sizes", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_X0L2, + .handles = { 1, 0, 0 }, .pitches = { 2 * MAX_WIDTH, 0, 0 } + } +}, +{ .buffer_created = 0, .name = "X0L2 Invalid pitch", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_X0L2, + .handles = { 1, 0, 0 }, .pitches = { 2 * MAX_WIDTH - 1, 0, 0 } + } +}, +{ .buffer_created = 1, .name = "X0L2 Pitch greater than minimum required", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_X0L2, + .handles = { 1, 0, 0 }, .pitches = { 2 * MAX_WIDTH + 1, 0, 0 } + } +}, +{ .buffer_created = 0, .name = "X0L2 Handle for inexistent plane", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_X0L2, + .handles = { 1, 1, 0 }, .flags = DRM_MODE_FB_MODIFIERS, + .pitches = { 2 * MAX_WIDTH + 1, 0, 0 } + } +}, +{ .buffer_created = 1, + .name = "X0L2 Offset for inexistent plane, without DRM_MODE_FB_MODIFIERS set", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_X0L2, + .handles = { 1, 0, 0 }, .offsets = { 0, 0, 3 }, + .pitches = { 2 * MAX_WIDTH + 1, 0, 0 } + } +}, +{ .buffer_created = 0, .name = "X0L2 Modifier without DRM_MODE_FB_MODIFIERS set", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_X0L2, + .handles = { 1, 0, 0 }, .pitches = { 2 * MAX_WIDTH + 1, 0, 0 }, + .modifier = { AFBC_FORMAT_MOD_SPARSE, 0, 0 }, + } +}, +{ .buffer_created = 1, .name = "X0L2 Valid modifier", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, .pixel_format = DRM_FORMAT_X0L2, + .handles = { 1, 0, 0 }, .pitches = { 2 * MAX_WIDTH + 1, 0, 0 }, + .modifier = { AFBC_FORMAT_MOD_SPARSE, 0, 0 }, .flags = DRM_MODE_FB_MODIFIERS, + } +}, +{ .buffer_created = 0, .name = "X0L2 Modifier for inexistent plane", + .cmd = { .width = MAX_WIDTH, .height = MAX_HEIGHT, + .pixel_format = DRM_FORMAT_X0L2, .handles = { 1, 0, 0 }, + .pitches = { 2 * MAX_WIDTH + 1, 0, 0 }, + .modifier = { AFBC_FORMAT_MOD_SPARSE, AFBC_FORMAT_MOD_SPARSE, 0 }, + .flags = DRM_MODE_FB_MODIFIERS, + } +}, +}; + +static struct drm_framebuffer *fb_create_mock(struct drm_device *dev, + struct drm_file *file_priv, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + int *buffer_created = dev->dev_private; + *buffer_created = 1; + return ERR_PTR(-EINVAL); +} + +static struct drm_mode_config_funcs mock_config_funcs = { + .fb_create = fb_create_mock, +}; + +static struct drm_device mock_drm_device = { + .mode_config = { + .min_width = MIN_WIDTH, + .max_width = MAX_WIDTH, + .min_height = MIN_HEIGHT, + .max_height = MAX_HEIGHT, + .funcs = &mock_config_funcs, + }, +}; + +static int execute_drm_mode_fb_cmd2(struct drm_mode_fb_cmd2 *r) +{ + int buffer_created = 0; + + mock_drm_device.dev_private = &buffer_created; + drm_internal_framebuffer_create(&mock_drm_device, r, NULL); + return buffer_created; +} + +static void igt_check_drm_framebuffer_create(struct kunit *test) +{ + int i = 0; + + for (i = 0; i < ARRAY_SIZE(createbuffer_tests); i++) { + KUNIT_EXPECT_EQ_MSG(test, createbuffer_tests[i].buffer_created, + execute_drm_mode_fb_cmd2(&createbuffer_tests[i].cmd), + "Test %d: \"%s\" failed\n", i, createbuffer_tests[i].name); + } +} + +static struct kunit_case drm_framebuffer_tests[] = { + KUNIT_CASE(igt_check_drm_framebuffer_create), + { } +}; + +static struct kunit_suite drm_framebuffer_test_suite = { + .name = "drm_framebuffer", + .test_cases = drm_framebuffer_tests, +}; + +kunit_test_suite(drm_framebuffer_test_suite); + +MODULE_LICENSE("GPL"); |