diff options
| -rw-r--r-- | tests/.gitignore | 1 | ||||
| -rw-r--r-- | tests/Makefile.sources | 1 | ||||
| -rw-r--r-- | tests/gem_exec_alignment.c | 87 |
3 files changed, 89 insertions, 0 deletions
diff --git a/tests/.gitignore b/tests/.gitignore index 64720db8..c31b22ad 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -39,6 +39,7 @@ gem_dummy_reloc_loop gem_eio gem_evict_alignment gem_evict_everything +gem_exec_alignment gem_exec_bad_domains gem_exec_big gem_exec_blt diff --git a/tests/Makefile.sources b/tests/Makefile.sources index 15d83821..b9479ccc 100644 --- a/tests/Makefile.sources +++ b/tests/Makefile.sources @@ -23,6 +23,7 @@ TESTS_progs_M = \ gem_eio \ gem_evict_alignment \ gem_evict_everything \ + gem_exec_alignment \ gem_exec_bad_domains \ gem_exec_faulting_reloc \ gem_exec_nop \ diff --git a/tests/gem_exec_alignment.c b/tests/gem_exec_alignment.c new file mode 100644 index 00000000..e5b8b736 --- /dev/null +++ b/tests/gem_exec_alignment.c @@ -0,0 +1,87 @@ +/* + * Copyright © 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: + * Chris Wilson <chris@chris-wilson.co.uk> + * + */ + +/* Exercises the basic execbuffer using object alignments */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <fcntl.h> +#include <inttypes.h> +#include <errno.h> +#include <sys/stat.h> +#include <sys/time.h> +#include "drm.h" +#include "ioctl_wrappers.h" +#include "igt_debugfs.h" +#include "drmtest.h" + +IGT_TEST_DESCRIPTION("Exercises the basic execbuffer using object alignments"); + +static int __gem_execbuf(int fd, struct drm_i915_gem_execbuffer2 *eb) +{ + return drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, eb); +} + +igt_simple_main +{ + struct drm_i915_gem_exec_object2 execobj; + struct drm_i915_gem_execbuffer2 execbuf; + uint32_t batch = MI_BATCH_BUFFER_END; + int non_pot; + int fd; + + igt_skip_on_simulation(); + + fd = drm_open_any(); + + memset(&execobj, 0, sizeof(execobj)); + memset(&execbuf, 0, sizeof(execbuf)); + + execobj.handle = gem_create(fd, 4096); + gem_write(fd, execobj.handle, 0, &batch, sizeof(batch)); + + execbuf.buffers_ptr = (uintptr_t)&execobj; + execbuf.buffer_count = 1; + + gem_execbuf(fd, &execbuf); + + execobj.alignment = 3*4096; + non_pot = __gem_execbuf(fd, &execbuf) == 0; + igt_debug("execbuffer() accepts non-power-of-two alignment? %s\n", + non_pot ? "yes" : "no"); + + for (execobj.alignment = 4096; + execobj.alignment <= 64<<20; + execobj.alignment += 4096) { + if (!non_pot && execobj.alignment & -execobj.alignment) + continue; + + gem_execbuf(fd, &execbuf); + igt_assert_eq(execobj.offset % execobj.alignment, 0); + } +} |