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/*
* Copyright © 2013, 2015 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.
*
* Authors:
* Daniel Vetter <daniel.vetter@ffwll.ch>
* David Weinehall <david.weinehall@intel.com>
*
*/
#include "igt.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 <drm.h>
#define OBJECT_SIZE (16*1024*1024)
static void
test_fence_restore(int fd, bool tiled2untiled, bool hibernate)
{
uint32_t handle1, handle2, handle_tiled;
uint32_t *ptr1, *ptr2, *ptr_tiled;
int i;
/* We wall the tiled object with untiled canary objects to make sure
* that we detect tile leaking in both directions. */
handle1 = gem_create(fd, OBJECT_SIZE);
handle2 = gem_create(fd, OBJECT_SIZE);
handle_tiled = gem_create(fd, OBJECT_SIZE);
/* Access the buffer objects in the order we want to have the laid out. */
ptr1 = gem_mmap__gtt(fd, handle1, OBJECT_SIZE, PROT_READ | PROT_WRITE);
igt_assert(ptr1 != MAP_FAILED);
for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
ptr1[i] = i;
ptr_tiled = gem_mmap__gtt(fd, handle_tiled, OBJECT_SIZE, PROT_READ | PROT_WRITE);
igt_assert(ptr_tiled != MAP_FAILED);
if (tiled2untiled)
gem_set_tiling(fd, handle_tiled, I915_TILING_X, 2048);
for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
ptr_tiled[i] = i;
ptr2 = gem_mmap__gtt(fd, handle2, OBJECT_SIZE, PROT_READ | PROT_WRITE);
igt_assert(ptr2 != MAP_FAILED);
for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
ptr2[i] = i;
if (tiled2untiled)
gem_set_tiling(fd, handle_tiled, I915_TILING_NONE, 2048);
else
gem_set_tiling(fd, handle_tiled, I915_TILING_X, 2048);
if (hibernate)
igt_system_hibernate_autoresume();
else
igt_system_suspend_autoresume();
igt_info("checking the first canary object\n");
for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
igt_assert(ptr1[i] == i);
igt_info("checking the second canary object\n");
for (i = 0; i < OBJECT_SIZE/sizeof(uint32_t); i++)
igt_assert(ptr2[i] == i);
gem_close(fd, handle1);
gem_close(fd, handle2);
gem_close(fd, handle_tiled);
munmap(ptr1, OBJECT_SIZE);
munmap(ptr2, OBJECT_SIZE);
munmap(ptr_tiled, OBJECT_SIZE);
}
static void
test_debugfs_reader(bool hibernate)
{
struct igt_helper_process reader = {};
reader.use_SIGKILL = true;
igt_fork_helper(&reader) {
static const char dfs_base[] = "/sys/kernel/debug/dri";
static char tmp[1024];
snprintf(tmp, sizeof(tmp) - 1,
"while true; do find %s/%i/ -type f | xargs cat > /dev/null 2>&1; done",
dfs_base, drm_get_card());
igt_assert(execl("/bin/sh", "sh", "-c", tmp, (char *) NULL) != -1);
}
sleep(1);
if (hibernate)
igt_system_hibernate_autoresume();
else
igt_system_suspend_autoresume();
sleep(1);
igt_stop_helper(&reader);
}
static void
test_sysfs_reader(bool hibernate)
{
struct igt_helper_process reader = {};
reader.use_SIGKILL = true;
igt_fork_helper(&reader) {
static const char dfs_base[] = "/sys/class/drm/card";
static char tmp[1024];
snprintf(tmp, sizeof(tmp) - 1,
"while true; do find %s%i*/ -type f | xargs cat > /dev/null 2>&1; done",
dfs_base, drm_get_card());
igt_assert(execl("/bin/sh", "sh", "-c", tmp, (char *) NULL) != -1);
}
sleep(1);
if (hibernate)
igt_system_hibernate_autoresume();
else
igt_system_suspend_autoresume();
sleep(1);
igt_stop_helper(&reader);
}
static void
test_forcewake(bool hibernate)
{
int fw_fd;
fw_fd = igt_open_forcewake_handle();
igt_assert_lte(0, fw_fd);
if (hibernate)
igt_system_hibernate_autoresume();
else
igt_system_suspend_autoresume();
close (fw_fd);
}
int fd;
igt_main
{
igt_skip_on_simulation();
igt_fixture
fd = drm_open_driver(DRIVER_INTEL);
igt_subtest("fence-restore-tiled2untiled")
test_fence_restore(fd, true, false);
igt_subtest("fence-restore-untiled")
test_fence_restore(fd, false, false);
igt_subtest("debugfs-reader")
test_debugfs_reader(false);
igt_subtest("sysfs-reader")
test_sysfs_reader(false);
igt_subtest("forcewake")
test_forcewake(false);
igt_subtest("fence-restore-tiled2untiled-hibernate")
test_fence_restore(fd, true, true);
igt_subtest("fence-restore-untiled-hibernate")
test_fence_restore(fd, false, true);
igt_subtest("debugfs-reader-hibernate")
test_debugfs_reader(true);
igt_subtest("sysfs-reader-hibernate")
test_sysfs_reader(true);
igt_subtest("forcewake-hibernate")
test_forcewake(true);
igt_fixture
close(fd);
}
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