From: Thierry Reding <treding@xxxxxxxxxx>
This test can be used to purposefully trigger a job timeout.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
tests/tegra/meson.build | 9 ++
tests/tegra/syncpt-timeout.c | 163 +++++++++++++++++++++++++++++++++++
2 files changed, 172 insertions(+)
create mode 100644 tests/tegra/syncpt-timeout.c
diff --git a/tests/tegra/meson.build b/tests/tegra/meson.build
index 8602709e8694..983b91195ba3 100644
--- a/tests/tegra/meson.build
+++ b/tests/tegra/meson.build
@@ -63,3 +63,12 @@ syncpt_wait = executable(
link_with : [libdrm, libdrm_tegra, libdrm_test, libdrm_test_tegra],
install : with_install_tests,
)
+
+syncpt_timeout = executable(
+ 'tegra-syncpt-timeout',
+ files('syncpt-timeout.c'),
+ include_directories : [inc_root, inc_drm, inc_tegra],
+ c_args : libdrm_c_args,
+ link_with : [libdrm, libdrm_tegra, libdrm_test, libdrm_test_tegra],
+ install : with_install_tests,
+)
diff --git a/tests/tegra/syncpt-timeout.c b/tests/tegra/syncpt-timeout.c
new file mode 100644
index 000000000000..fea3665cb126
--- /dev/null
+++ b/tests/tegra/syncpt-timeout.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright © 2018 NVIDIA 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "tegra.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+static int channel_open(struct drm_tegra *drm,
+ struct drm_tegra_channel **channel)
+{
+ static const struct {
+ enum drm_tegra_class class;
+ const char *name;
+ } classes[] = {
+ { DRM_TEGRA_VIC, "VIC" },
+ { DRM_TEGRA_GR2D, "GR2D" },
+ };
+ unsigned int i;
+ int err;
+
+ for (i = 0; i < ARRAY_SIZE(classes); i++) {
+ err = drm_tegra_channel_open(drm, classes[i].class, channel);
+ if (err < 0) {
+ fprintf(stderr, "failed to open channel to %s: %s\n",
+ classes[i].name, strerror(-err));
+ continue;
+ }
+
+ break;
+ }
+
+ return err;
+}
+
+int main(int argc, char *argv[])
+{
+ const char *device = "/dev/dri/renderD128";
+ struct drm_tegra_syncpoint *syncpt;
+ struct drm_tegra_channel *channel;
+ struct drm_tegra_pushbuf *pushbuf;
+ struct drm_tegra_job *job;
+ struct drm_tegra *drm;
+ uint32_t *ptr;
+ int fd, err;
+
+ if (argc > 1)
+ device = argv[1];
+
+ fd = open(device, O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "open() failed: %s\n", strerror(errno));
+ return 1;
+ }
+
+ err = drm_tegra_new(fd, &drm);
+ if (err < 0) {
+ fprintf(stderr, "failed to open Tegra device: %s\n", strerror(-err));
+ close(fd);
+ return 1;
+ }
+
+ err = drm_tegra_syncpoint_new(drm, &syncpt);
+ if (err < 0) {
+ fprintf(stderr, "failed to allocate syncpoint: %s\n", strerror(-err));
+ drm_tegra_close(drm);
+ close(fd);
+ return 1;
+ }
+
+ err = channel_open(drm, &channel);
+ if (err < 0) {
+ fprintf(stderr, "failed to open channel: %s\n", strerror(-err));
+ return 1;
+ }
+
+ err = drm_tegra_job_new(channel, &job);
+ if (err < 0) {
+ fprintf(stderr, "failed to create job: %s\n", strerror(-err));
+ return 1;
+ }
+
+ err = drm_tegra_job_get_pushbuf(job, &pushbuf);
+ if (err < 0) {
+ fprintf(stderr, "failed to create push buffer: %s\n", strerror(-err));
+ return 1;
+ }
+
+ err = drm_tegra_pushbuf_begin(pushbuf, 8, &ptr);
+ if (err < 0) {
+ fprintf(stderr, "failed to prepare push buffer: %s\n", strerror(-err));
+ return 1;
+ }
+
+ /*
+ * Empty command streams will be rejected, so we use this as an easy way
+ * to add something to the command stream. But this could be any other,
+ * valid command stream.
+ */
+ err = drm_tegra_pushbuf_sync_cond(pushbuf, &ptr, syncpt,
+ DRM_TEGRA_SYNC_COND_IMMEDIATE);
+ if (err < 0) {
+ fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
+ return 1;
+ }
+
+ /* pretend that the syncpoint was incremented a second time */
+ err = drm_tegra_pushbuf_sync(pushbuf, syncpt, 1);
+ if (err < 0) {
+ fprintf(stderr, "failed to push syncpoint: %s\n", strerror(-err));
+ return 1;
+ }
+
+ err = drm_tegra_pushbuf_end(pushbuf, ptr);
+ if (err < 0) {
+ fprintf(stderr, "failed to update push buffer: %s\n", strerror(-err));
+ return 1;
+ }
+
+ err = drm_tegra_job_submit(job, NULL);
+ if (err < 0) {
+ fprintf(stderr, "failed to submit job: %s\n", strerror(-err));
+ return 1;
+ }
+
+ err = drm_tegra_job_wait(job, 250000);
+ if (err < 0) {
+ fprintf(stderr, "failed to wait for job: %s\n", strerror(-err));
+ return 1;
+ }
+
+ drm_tegra_job_free(job);
+ drm_tegra_channel_close(channel);
+ drm_tegra_syncpoint_free(syncpt);
+ drm_tegra_close(drm);
+ close(fd);
+
+ return 0;
+}
--
2.35.1
