1 /* 2 * Copyright © 2016 Broadcom 3 * Copyright © 2019 Collabora, Ltd. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 22 * IN THE SOFTWARE. 23 */ 24 25 #include "igt.h" 26 #include "igt_panfrost.h" 27 #include <unistd.h> 28 #include <stdlib.h> 29 #include <stdio.h> 30 #include <string.h> 31 #include <fcntl.h> 32 #include <inttypes.h> 33 #include <errno.h> 34 #include <sys/stat.h> 35 #include <sys/ioctl.h> 36 #include "panfrost_drm.h" 37 38 igt_main 39 { 40 int fd; 41 42 igt_fixture { 43 fd = drm_open_driver(DRIVER_PANFROST); 44 } 45 46 igt_subtest("gem-new-4096") { 47 struct panfrost_bo *bo = igt_panfrost_gem_new(fd, 4096); 48 igt_panfrost_free_bo(fd, bo); 49 } 50 51 igt_subtest("gem-new-0") { 52 struct drm_panfrost_create_bo arg = { 53 .size = 0, 54 }; 55 do_ioctl_err(fd, DRM_IOCTL_PANFROST_CREATE_BO, &arg, EINVAL); 56 } 57 58 igt_subtest("gem-new-zeroed") { 59 int fd2 = drm_open_driver(DRIVER_PANFROST); 60 struct panfrost_bo *bo; 61 uint32_t *map; 62 /* A size different from any used in our other tests, to try 63 * to convince it to land as the only one of its size in the 64 * kernel BO cache 65 */ 66 size_t size = 3 * 4096, i; 67 68 /* Make a BO and free it on our main fd. */ 69 bo = igt_panfrost_gem_new(fd, size); 70 map = igt_panfrost_mmap_bo(fd, bo->handle, size, PROT_READ | PROT_WRITE); 71 memset(map, 0xd0, size); 72 munmap(map, size); 73 igt_panfrost_free_bo(fd, bo); 74 75 /* Now, allocate a BO on the other fd and make sure it doesn't 76 * have the old contents. 77 */ 78 bo = igt_panfrost_gem_new(fd2, size); 79 map = igt_panfrost_mmap_bo(fd2, bo->handle, size, PROT_READ | PROT_WRITE); 80 for (i = 0; i < size / 4; i++) 81 igt_assert_eq_u32(map[i], 0x0); 82 munmap(map, size); 83 igt_panfrost_free_bo(fd2, bo); 84 85 close(fd2); 86 } 87 88 igt_fixture 89 close(fd); 90 } 91