Jesse Barnes | bbafc3d | 2009-06-18 18:07:47 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2009 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 | * Authors: |
| 24 | * Eric Anholt <eric@anholt.net> |
| 25 | * Jesse Barnes <jbarnes@virtuousgeek.org> (based on gem_bad_blit.c) |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #include <stdlib.h> |
| 30 | #include <stdio.h> |
| 31 | #include <string.h> |
| 32 | #include <assert.h> |
| 33 | #include <fcntl.h> |
| 34 | #include <inttypes.h> |
| 35 | #include <errno.h> |
| 36 | #include <sys/stat.h> |
| 37 | #include <sys/time.h> |
| 38 | #include "drm.h" |
| 39 | #include "i915_drm.h" |
| 40 | #include "drmtest.h" |
| 41 | #include "intel_bufmgr.h" |
| 42 | #include "intel_batchbuffer.h" |
| 43 | #include "intel_gpu_tools.h" |
| 44 | |
| 45 | static drm_intel_bufmgr *bufmgr; |
| 46 | struct intel_batchbuffer *batch; |
| 47 | static int bad_pipe; |
| 48 | |
| 49 | static void |
| 50 | gpu_hang(void) |
| 51 | { |
| 52 | int cmd; |
| 53 | |
| 54 | cmd = bad_pipe ? MI_WAIT_FOR_PIPEB_SCAN_LINE_WINDOW : |
| 55 | MI_WAIT_FOR_PIPEB_SCAN_LINE_WINDOW; |
| 56 | |
| 57 | BEGIN_BATCH(6); |
| 58 | /* The documentation says that the LOAD_SCAN_LINES command |
| 59 | * always comes in pairs. Don't ask me why. */ |
| 60 | OUT_BATCH(MI_LOAD_SCAN_LINES_INCL | (bad_pipe << 20)); |
| 61 | OUT_BATCH((0 << 16) | 2048); |
| 62 | OUT_BATCH(MI_LOAD_SCAN_LINES_INCL | (bad_pipe << 20)); |
| 63 | OUT_BATCH((0 << 16) | 2048); |
| 64 | OUT_BATCH(MI_WAIT_FOR_EVENT | cmd); |
| 65 | OUT_BATCH(MI_NOOP); |
| 66 | ADVANCE_BATCH(); |
| 67 | |
| 68 | intel_batchbuffer_flush(batch); |
| 69 | } |
| 70 | |
| 71 | int main(int argc, char **argv) |
| 72 | { |
| 73 | int fd; |
| 74 | |
| 75 | if (argc != 2) { |
| 76 | fprintf(stderr, "usage: %s <disabled pipe number>\n", |
| 77 | argv[0]); |
| 78 | exit(-1); |
| 79 | } |
| 80 | |
| 81 | bad_pipe = atoi(argv[1]); |
| 82 | |
| 83 | fd = drm_open_any(); |
Jesse Barnes | bbafc3d | 2009-06-18 18:07:47 -0700 | [diff] [blame] | 84 | |
| 85 | bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); |
| 86 | drm_intel_bufmgr_gem_enable_reuse(bufmgr); |
Chris Wilson | d4d769a | 2010-10-26 10:59:18 +0100 | [diff] [blame^] | 87 | batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); |
Jesse Barnes | bbafc3d | 2009-06-18 18:07:47 -0700 | [diff] [blame] | 88 | |
| 89 | gpu_hang(); |
| 90 | |
| 91 | intel_batchbuffer_free(batch); |
| 92 | drm_intel_bufmgr_destroy(bufmgr); |
| 93 | |
| 94 | close(fd); |
| 95 | |
| 96 | return 0; |
| 97 | } |