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/*
* Copyright © 2013 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.
*
*/
#define _GNU_SOURCE
#include <sched.h>
#include "igt.h"
IGT_TEST_DESCRIPTION("Stress legacy cursor ioctl");
struct data {
int fd;
};
static uint32_t state = 0x12345678;
static uint32_t
hars_petruska_f54_1_random (void)
{
#define rol(x,k) ((x << k) | (x >> (32-k)))
return state = (state ^ rol (state, 5) ^ rol (state, 24)) + 0x37798849;
#undef rol
}
static void stress(struct data *data, unsigned mode, int timeout)
{
drmModeRes *r;
struct drm_mode_cursor arg;
int n;
r = drmModeGetResources(data->fd);
igt_assert(r);
memset(&arg, 0, sizeof(arg));
arg.flags = DRM_MODE_CURSOR_BO;
arg.crtc_id = 0;
arg.width = 64;
arg.height = 64;
arg.handle = gem_create(data->fd, 4*64*64);
for (n = 0; n < r->count_crtcs; n++)
drmIoctl(data->fd, DRM_IOCTL_MODE_CURSOR, &arg);
arg.flags = mode;
igt_fork(child, sysconf(_SC_NPROCESSORS_ONLN)) {
struct sched_param rt = {.sched_priority = 99 };
cpu_set_t allowed;
unsigned long count = 0;
sched_setscheduler(getpid(), SCHED_RR, &rt);
CPU_ZERO(&allowed);
CPU_SET(child, &allowed);
sched_setaffinity(getpid(), sizeof(cpu_set_t), &allowed);
igt_until_timeout(timeout) {
arg.crtc_id = r->crtcs[hars_petruska_f54_1_random() % r->count_crtcs];
do_ioctl(data->fd, DRM_IOCTL_MODE_CURSOR, &arg);
count++;
}
igt_info("[%d] count=%lu\n", child, count);
}
igt_waitchildren();
gem_close(data->fd, arg.handle);
drmModeFreeResources(r);
}
igt_main
{
struct data data = { .fd = -1 };
igt_skip_on_simulation();
igt_fixture {
data.fd = drm_open_driver_master(DRIVER_INTEL);
kmstest_set_vt_graphics_mode();
}
igt_subtest("stress-bo")
stress(&data, DRM_MODE_CURSOR_BO, 20);
igt_subtest("stress-move")
stress(&data, DRM_MODE_CURSOR_MOVE, 20);
igt_fixture {
}
}
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