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/*
* Copyright © 2014 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.
*
*/
/**
* TEST: kms flip event leak
* Category: Display
* Description: Test to validate flip event leak
*/
#include "igt.h"
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "igt_device.h"
#include "xe/xe_query.h"
/**
* SUBTEST: basic
* Description: This test tries to provoke the kernel into leaking a pending
* page flip event when the fd is closed before the flip has
* completed. The test itself won't fail even if the kernel leaks
* the event, but the resulting dmesg WARN will indicate a failure.
* Driver requirement: i915, xe
* Mega feature: General Display Features
*/
typedef struct {
int drm_fd;
igt_display_t display;
} data_t;
IGT_TEST_DESCRIPTION(
"This test tries to provoke the kernel into leaking a pending page flip "
"event when the fd is closed before the flip has completed. The test "
"itself won't fail even if the kernel leaks the event, but the resulting "
"dmesg WARN will indicate a failure.");
static void test(data_t *data, enum pipe pipe, igt_output_t *output)
{
igt_plane_t *primary;
drmModeModeInfo *mode;
struct igt_fb fb[2];
int fd, ret;
primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
mode = igt_output_get_mode(output);
igt_create_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_MOD_LINEAR,
&fb[0]);
igt_plane_set_fb(primary, &fb[0]);
igt_display_commit2(&data->display, COMMIT_LEGACY);
fd = drm_open_driver(DRIVER_ANY);
igt_device_drop_master(data->drm_fd);
igt_device_set_master(fd);
igt_create_fb(fd, mode->hdisplay, mode->vdisplay,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_MOD_LINEAR,
&fb[1]);
ret = drmModePageFlip(fd, output->config.crtc->crtc_id,
fb[1].fb_id, DRM_MODE_PAGE_FLIP_EVENT,
data);
igt_assert_eq(ret, 0);
ret = drm_close_driver(fd);
igt_assert_eq(ret, 0);
igt_device_set_master(data->drm_fd);
igt_plane_set_fb(primary, NULL);
igt_output_set_pipe(output, PIPE_ANY);
igt_display_commit(&data->display);
igt_remove_fb(data->drm_fd, &fb[0]);
}
igt_main
{
data_t data = {};
igt_output_t *output;
enum pipe pipe;
igt_fixture {
data.drm_fd = drm_open_driver_master(DRIVER_ANY);
kmstest_set_vt_graphics_mode();
igt_display_require(&data.display, data.drm_fd);
igt_display_require_output(&data.display);
}
igt_subtest_with_dynamic("basic") {
for_each_pipe_with_valid_output(&data.display, pipe, output) {
igt_display_reset(&data.display);
igt_output_set_pipe(output, pipe);
if (!intel_pipe_output_combo_valid(&data.display))
continue;
igt_dynamic_f("pipe-%s-%s", kmstest_pipe_name(pipe), igt_output_name(output)) {
test(&data, pipe, output);
}
}
}
igt_fixture {
igt_display_fini(&data.display);
drm_close_driver(data.drm_fd);
}
}
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