Chris Wilson | 9579e54 | 2016-05-23 21:56:01 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright © 2013 Intel Corporation |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 21 | * IN THE SOFTWARE. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #define _GNU_SOURCE |
| 26 | #include <sched.h> |
| 27 | |
| 28 | #include "igt.h" |
| 29 | |
| 30 | IGT_TEST_DESCRIPTION("Stress legacy cursor ioctl"); |
| 31 | |
| 32 | struct data { |
| 33 | int fd; |
| 34 | }; |
| 35 | |
| 36 | static uint32_t state = 0x12345678; |
| 37 | |
| 38 | static uint32_t |
| 39 | hars_petruska_f54_1_random (void) |
| 40 | { |
| 41 | #define rol(x,k) ((x << k) | (x >> (32-k))) |
| 42 | return state = (state ^ rol (state, 5) ^ rol (state, 24)) + 0x37798849; |
| 43 | #undef rol |
| 44 | } |
| 45 | |
| 46 | static void stress(struct data *data, unsigned mode, int timeout) |
| 47 | { |
| 48 | drmModeRes *r; |
| 49 | struct drm_mode_cursor arg; |
| 50 | int n; |
| 51 | |
| 52 | r = drmModeGetResources(data->fd); |
| 53 | igt_assert(r); |
| 54 | |
| 55 | memset(&arg, 0, sizeof(arg)); |
| 56 | arg.flags = DRM_MODE_CURSOR_BO; |
| 57 | arg.crtc_id = 0; |
| 58 | arg.width = 64; |
| 59 | arg.height = 64; |
| 60 | arg.handle = gem_create(data->fd, 4*64*64); |
| 61 | |
| 62 | for (n = 0; n < r->count_crtcs; n++) |
| 63 | drmIoctl(data->fd, DRM_IOCTL_MODE_CURSOR, &arg); |
| 64 | |
| 65 | arg.flags = mode; |
| 66 | igt_fork(child, sysconf(_SC_NPROCESSORS_ONLN)) { |
| 67 | struct sched_param rt = {.sched_priority = 99 }; |
| 68 | cpu_set_t allowed; |
| 69 | unsigned long count = 0; |
| 70 | |
| 71 | sched_setscheduler(getpid(), SCHED_RR, &rt); |
| 72 | |
| 73 | CPU_ZERO(&allowed); |
| 74 | CPU_SET(child, &allowed); |
| 75 | sched_setaffinity(getpid(), sizeof(cpu_set_t), &allowed); |
| 76 | |
| 77 | igt_until_timeout(timeout) { |
| 78 | arg.crtc_id = r->crtcs[hars_petruska_f54_1_random() % r->count_crtcs]; |
| 79 | do_ioctl(data->fd, DRM_IOCTL_MODE_CURSOR, &arg); |
| 80 | count++; |
| 81 | } |
| 82 | |
| 83 | igt_info("[%d] count=%lu\n", child, count); |
| 84 | } |
| 85 | igt_waitchildren(); |
| 86 | |
| 87 | gem_close(data->fd, arg.handle); |
| 88 | drmModeFreeResources(r); |
| 89 | } |
| 90 | |
| 91 | igt_main |
| 92 | { |
| 93 | struct data data = { .fd = -1 }; |
| 94 | |
| 95 | igt_skip_on_simulation(); |
| 96 | |
| 97 | igt_fixture { |
| 98 | data.fd = drm_open_driver_master(DRIVER_INTEL); |
| 99 | kmstest_set_vt_graphics_mode(); |
| 100 | } |
| 101 | |
| 102 | igt_subtest("stress-bo") |
| 103 | stress(&data, DRM_MODE_CURSOR_BO, 20); |
| 104 | igt_subtest("stress-move") |
| 105 | stress(&data, DRM_MODE_CURSOR_MOVE, 20); |
| 106 | |
| 107 | igt_fixture { |
| 108 | } |
| 109 | } |