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86 lines
2.4 KiB
86 lines
2.4 KiB
/*
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* Copyright © 2017 Broadcom
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "igt.h"
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#include "igt_vc4.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <poll.h>
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#include "vc4_drm.h"
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static void
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poll_write_bo_test(int fd, int poll_flag)
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{
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size_t size = 1024 * 1024 * 4;
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uint32_t clearval = 0xaabbccdd;
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/* Get a BO that's being rendered to. */
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int handle = igt_vc4_get_cleared_bo(fd, size, clearval);
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int dmabuf_fd = prime_handle_to_fd(fd, handle);
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struct pollfd p = {
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.fd = dmabuf_fd,
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.events = POLLIN,
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};
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struct drm_vc4_wait_bo wait = {
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.handle = handle,
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.timeout_ns = 0,
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};
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/* Block for a couple of minutes waiting for rendering to complete. */
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int poll_ret = poll(&p, 1, 120 * 1000);
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igt_assert(poll_ret == 1);
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/* Now that we've waited for idle, a nonblocking wait for the
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* BO should pass.
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*/
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do_ioctl(fd, DRM_IOCTL_VC4_WAIT_BO, &wait);
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close(dmabuf_fd);
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gem_close(fd, handle);
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}
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igt_main
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{
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int fd;
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igt_fixture
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fd = drm_open_driver(DRIVER_VC4);
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igt_subtest("poll-write-waits-until-write-done") {
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poll_write_bo_test(fd, POLLOUT);
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}
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igt_subtest("poll-read-waits-until-write-done") {
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poll_write_bo_test(fd, POLLIN);
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}
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igt_fixture
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close(fd);
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}
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