1 files changed, 97 insertions, 0 deletions
diff --git a/tests/gem_hang.c b/tests/gem_hang.c
new file mode 100644
index 00000000..f9db3400
--- /dev/null
+++ b/tests/gem_hang.c
@@ -0,0 +1,97 @@
+/*
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include "drm.h"
+#include "i915_drm.h"
+#include "drmtest.h"
+#include "intel_bufmgr.h"
+#include "intel_batchbuffer.h"
+#include "intel_gpu_tools.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);
+	/* 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;
+
+	if (argc != 2) {
+		fprintf(stderr, "usage: %s <disabled pipe number>\n",
+			argv[0]);
+		exit(-1);
+	}
+
+	bad_pipe = atoi(argv[1]);
+
+	fd = drm_open_any();
+
+	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);
+
+	return 0;
+}