2 * Copyright © 2009 Intel Corporation
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:
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
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
24 * Eric Anholt <eric@anholt.net>
25 * Jesse Barnes <jbarnes@virtuousgeek.org> (based on gem_bad_blit.c)
38 #include "ioctl_wrappers.h"
40 #include "intel_bufmgr.h"
41 #include "intel_chipset.h"
42 #include "intel_batchbuffer.h"
45 static drm_intel_bufmgr *bufmgr;
46 struct intel_batchbuffer *batch;
54 cmd = bad_pipe ? MI_WAIT_FOR_PIPEB_SCAN_LINE_WINDOW :
55 MI_WAIT_FOR_PIPEA_SCAN_LINE_WINDOW;
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);
68 intel_batchbuffer_flush(batch);
71 int main(int argc, char **argv)
75 igt_simple_init(argc, argv);
77 igt_assert_f(argc == 2,
78 "usage: %s <disabled pipe number>\n",
81 bad_pipe = atoi(argv[1]);
85 bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
86 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
87 batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
91 intel_batchbuffer_free(batch);
92 drm_intel_bufmgr_destroy(bufmgr);