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// SPDX-License-Identifier: GPL-2.0
/*
* Test cases for the drm_framebuffer functions
*/
#include <linux/kernel.h>
#include <drm/drm_device.h>
#include <drm/drm_mode.h>
#include <drm/drm_fourcc.h>
#include "../drm_crtc_internal.h"
#include "test-drm_modeset_common.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,
.allow_fb_modifiers = true,
.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;
}
int igt_check_drm_framebuffer_create(void *ignored)
{
int i = 0;
for (i = 0; i < ARRAY_SIZE(createbuffer_tests); i++) {
FAIL(createbuffer_tests[i].buffer_created !=
execute_drm_mode_fb_cmd2(&createbuffer_tests[i].cmd),
"Test %d: \"%s\" failed\n", i, createbuffer_tests[i].name);
}
return 0;
}
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