Atomic has a few special cases around async commits and event generation
that we need to test. This patch addresses these two tests
- kernel rejects events on a disabled pipe
- events on a pipe that is getting enabled/disabled
For: VIZ-6954
Signed-off-by: Mika Kahola <mika.kahola@xxxxxxxxx>
---
tests/Makefile.sources | 1 +
tests/kms_atomic_abi.c | 201 +++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 202 insertions(+)
create mode 100644 tests/kms_atomic_abi.c
diff --git a/tests/Makefile.sources b/tests/Makefile.sources
index 2b6e6ee..b4e9897 100644
--- a/tests/Makefile.sources
+++ b/tests/Makefile.sources
@@ -121,6 +121,7 @@ TESTS_progs_M = \
kms_plane \
kms_plane_multiple \
kms_plane_lowres \
+ kms_atomic_abi \
kms_properties \
kms_psr_sink_crc \
kms_render \
diff --git a/tests/kms_atomic_abi.c b/tests/kms_atomic_abi.c
new file mode 100644
index 0000000..843220b
--- /dev/null
+++ b/tests/kms_atomic_abi.c
@@ -0,0 +1,201 @@
+/*
+ * Copyright © 2017 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.
+ *
+ */
+
+#include "igt.h"
+#include <fcntl.h>
+
+IGT_TEST_DESCRIPTION("Test event ABI");
+
+static void
+do_atomic_commit(igt_display_t *display, int expectation)
+{
+ char buf[256];
+ struct drm_event *e = (void *)buf;
+ int ret;
+
+ ret = igt_display_try_commit_atomic(display,
+ DRM_MODE_PAGE_FLIP_EVENT,
+ NULL);
+ igt_assert_eq(ret, expectation);
+
+ if (expectation == 0) {
+ igt_set_timeout(1, "Stuck on page flip");
+
+ ret = read(display->drm_fd, buf, sizeof(buf));
+ igt_assert(ret >= 0);
+
+ igt_reset_timeout();
+ igt_assert_eq(e->type, DRM_EVENT_FLIP_COMPLETE);
+ }
+}
+
+static int
+read_pageflip_event(igt_display_t *display)
+{
+ char buf[256];
+ struct drm_event *e = (void *)buf;
+ int ret;
+
+ for (int i = 0; i < 100; i++) {
+ ret = read(display->drm_fd, buf, sizeof(buf));
+
+ if (ret >= 0)
+ break;
+ }
+
+ if (ret >= 0)
+ igt_assert_eq(e->type, DRM_EVENT_FLIP_COMPLETE);
+
+ return ret;
+}
+
+static void
+test_init(igt_display_t *display, enum pipe pipe, igt_output_t *output)
+{
+ struct igt_fb fb;
+ drmModeModeInfo *mode;
+ igt_plane_t *primary;
+ int flags = DRM_MODE_ATOMIC_ALLOW_MODESET | DRM_MODE_ATOMIC_NONBLOCK;
+ int ret;
+
+ igt_output_set_pipe(output, pipe);
+
+ primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
+
+ mode = igt_output_get_mode(output);
+
+ igt_create_color_fb(display->drm_fd, mode->hdisplay, mode->vdisplay,
+ DRM_FORMAT_XRGB8888,
+ LOCAL_DRM_FORMAT_MOD_NONE,
+ 0.0f, 0.0f, 1.0f,
+ &fb);
+
+ igt_plane_set_fb(primary, &fb);
+
+ ret = igt_display_try_commit_atomic(display, flags, NULL);
+ igt_assert_eq(ret, 0);
+}
+
+static void
+test_disable_pipe(igt_display_t *display, enum pipe pipe, igt_output_t *output)
+{
+ test_init(display, pipe, output);
+
+ igt_output_set_pipe(output, pipe);
+
+ do_atomic_commit(display, 0);
+
+ /* disable pipe */
+ igt_output_set_pipe(output, PIPE_NONE);
+
+ /* try to do atomic commit */
+ do_atomic_commit(display, -EINVAL);
+
+ igt_output_set_pipe(output, PIPE_ANY);
+}
+
+static void
+test_dpms(igt_display_t *display, enum pipe pipe, igt_output_t *output)
+{
+ int ret;
+ int flags = fcntl(display->drm_fd, F_GETFL, 0);
+
+ test_init(display, pipe, output);
+
+ igt_output_set_pipe(output, pipe);
+
+ do_atomic_commit(display, 0);
+
+ fcntl(display->drm_fd, F_SETFL, flags | O_NONBLOCK);
+
+ kmstest_set_connector_dpms(display->drm_fd, output->config.connector,
+ DRM_MODE_DPMS_OFF);
+
+ /* try to do atomic commit */
+ ret = igt_display_try_commit_atomic(display,
+ DRM_MODE_PAGE_FLIP_EVENT,
+ NULL);
+ igt_assert_eq(ret, 0);
+
+ /* with pipe off, we shouldn't receive pageflip event */
+ ret = read_pageflip_event(display);
+ igt_assert_eq(ret, -1);
+
+ fcntl(display->drm_fd, F_SETFL, flags & ~O_NONBLOCK);
+
+ kmstest_set_connector_dpms(display->drm_fd, output->config.connector,
+ DRM_MODE_DPMS_ON);
+
+ igt_output_set_pipe(output, PIPE_ANY);
+
+ fcntl(display->drm_fd, F_SETFL, flags & ~O_NONBLOCK);
+}
+
+igt_main
+{
+ igt_output_t *output;
+ igt_display_t display;
+ enum pipe pipe;
+ int valid_tests;
+
+ igt_skip_on_simulation();
+
+ igt_fixture {
+ display.drm_fd = drm_open_driver_master(DRIVER_ANY);
+ kmstest_set_vt_graphics_mode();
+ igt_display_init(&display, display.drm_fd);
+ igt_require(display.is_atomic);
+ }
+
+ igt_subtest_f("disabled-pipe") {
+ valid_tests = 0;
+ for_each_pipe_with_valid_output(&display, pipe, output) {
+ test_disable_pipe(&display, pipe, output);
+
+ valid_tests++;
+ break;
+ }
+
+ igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
+ }
+
+ igt_subtest_f("dpms") {
+ valid_tests = 0;
+ for_each_pipe_with_valid_output(&display, pipe, output) {
+ test_dpms(&display, pipe, output);
+
+ valid_tests++;
+ break;
+ }
+
+ igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
+ }
+
+ igt_fixture {
+ igt_display_fini(&display);
+ close(display.drm_fd);
+ }
+
+ igt_exit();
+}
--
2.7.4
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