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/*
* Copyright © 2017 Broadcom
*
* 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 "igt_vc4.h"
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <poll.h>
#include "vc4_drm.h"
static void
poll_write_bo_test(int fd, int poll_flag)
{
size_t size = 1024 * 1024 * 4;
uint32_t clearval = 0xaabbccdd;
/* Get a BO that's being rendered to. */
int handle = igt_vc4_get_cleared_bo(fd, size, clearval);
int dmabuf_fd = prime_handle_to_fd(fd, handle);
struct pollfd p = {
.fd = dmabuf_fd,
.events = POLLIN,
};
struct drm_vc4_wait_bo wait = {
.handle = handle,
.timeout_ns = 0,
};
/* Block for a couple of minutes waiting for rendering to complete. */
int poll_ret = poll(&p, 1, 120 * 1000);
igt_assert(poll_ret == 1);
/* Now that we've waited for idle, a nonblocking wait for the
* BO should pass.
*/
do_ioctl(fd, DRM_IOCTL_VC4_WAIT_BO, &wait);
close(dmabuf_fd);
gem_close(fd, handle);
}
igt_main
{
int fd;
igt_fixture
fd = drm_open_driver(DRIVER_VC4);
igt_subtest("poll-write-waits-until-write-done") {
poll_write_bo_test(fd, POLLOUT);
}
igt_subtest("poll-read-waits-until-write-done") {
poll_write_bo_test(fd, POLLIN);
}
igt_fixture
close(fd);
}
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