diff options
Diffstat (limited to 'tests/i915/i915_suspend.c')
| -rw-r--r-- | tests/i915/i915_suspend.c | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/tests/i915/i915_suspend.c b/tests/i915/i915_suspend.c new file mode 100644 index 00000000..84cb3b49 --- /dev/null +++ b/tests/i915/i915_suspend.c @@ -0,0 +1,254 @@ +/* + * 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); + 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); + 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); + 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_suspend_autoresume(SUSPEND_STATE_DISK, + SUSPEND_TEST_NONE); + else + igt_system_suspend_autoresume(SUSPEND_STATE_MEM, + SUSPEND_TEST_NONE); + + 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 ! -path \"*/crc/*\" | 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_suspend_autoresume(SUSPEND_STATE_DISK, + SUSPEND_TEST_NONE); + else + igt_system_suspend_autoresume(SUSPEND_STATE_MEM, + SUSPEND_TEST_NONE); + + 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_suspend_autoresume(SUSPEND_STATE_DISK, + SUSPEND_TEST_NONE); + else + igt_system_suspend_autoresume(SUSPEND_STATE_MEM, + SUSPEND_TEST_NONE); + + sleep(1); + + igt_stop_helper(&reader); +} + +static void +test_shrink(int fd, unsigned int mode) +{ + void *mem; + size_t size; + + gem_quiescent_gpu(fd); + intel_purge_vm_caches(fd); + + size = intel_get_total_pinnable_mem(); + igt_require(size > 64 << 20); + size -= 64 << 20; + + mem = mmap(NULL, size, PROT_READ, MAP_SHARED | MAP_ANON, -1, 0); + + intel_purge_vm_caches(fd); + + igt_debug("Locking %'zu B (%'zu MiB)\n", + size, size >> 20); + igt_assert(!mlock(mem, size)); + igt_info("Locked %'zu B (%'zu MiB)\n", + size, size >> 20); + + intel_purge_vm_caches(fd); + igt_system_suspend_autoresume(mode, SUSPEND_TEST_NONE); + + munmap(mem, size); +} + +static void +test_forcewake(int fd, bool hibernate) +{ + int fw_fd; + + fw_fd = igt_open_forcewake_handle(fd); + igt_assert_lte(0, fw_fd); + + if (hibernate) + igt_system_suspend_autoresume(SUSPEND_STATE_DISK, + SUSPEND_TEST_NONE); + else + igt_system_suspend_autoresume(SUSPEND_STATE_MEM, + SUSPEND_TEST_NONE); + + 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("shrink") + test_shrink(fd, SUSPEND_STATE_MEM); + + igt_subtest("forcewake") + test_forcewake(fd, 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(fd, true); + + igt_fixture + close(fd); +} |