diff options
Diffstat (limited to 'tests/i915/gem_hang.c')
-rw-r--r-- | tests/i915/gem_hang.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tests/i915/gem_hang.c b/tests/i915/gem_hang.c new file mode 100644 index 00000000..f506fc70 --- /dev/null +++ b/tests/i915/gem_hang.c @@ -0,0 +1,93 @@ +/* + * 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(); +} |