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/*
* Copyright © 2009 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Authors:
* Eric Anholt <eric@anholt.net>
* Jesse Barnes <jbarnes@virtuousgeek.org> (based on gem_bad_blit.c)
*
*/
#include "igt.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "drm.h"
#include "intel_bufmgr.h"
static drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;
static int bad_pipe;
static void
gpu_hang(void)
{
int cmd;
cmd = bad_pipe ? MI_WAIT_FOR_PIPEB_SCAN_LINE_WINDOW :
MI_WAIT_FOR_PIPEA_SCAN_LINE_WINDOW;
BEGIN_BATCH(6, 0);
/* The documentation says that the LOAD_SCAN_LINES command
* always comes in pairs. Don't ask me why. */
OUT_BATCH(MI_LOAD_SCAN_LINES_INCL | (bad_pipe << 20));
OUT_BATCH((0 << 16) | 2048);
OUT_BATCH(MI_LOAD_SCAN_LINES_INCL | (bad_pipe << 20));
OUT_BATCH((0 << 16) | 2048);
OUT_BATCH(MI_WAIT_FOR_EVENT | cmd);
OUT_BATCH(MI_NOOP);
ADVANCE_BATCH();
intel_batchbuffer_flush(batch);
}
int main(int argc, char **argv)
{
int fd;
igt_simple_init(argc, argv);
igt_assert_f(argc == 2,
"usage: %s <disabled pipe number>\n",
argv[0]);
bad_pipe = atoi(argv[1]);
fd = drm_open_driver(DRIVER_INTEL);
bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
drm_intel_bufmgr_gem_enable_reuse(bufmgr);
batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
gpu_hang();
intel_batchbuffer_free(batch);
drm_intel_bufmgr_destroy(bufmgr);
close(fd);
igt_exit();
}
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