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igt/gem_exec_alignment: Test all possible pot alignments

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-01-19 13:44:09 +00:00
parent de45ceb667
commit e7bdc5c916
1 changed files with 16 additions and 1 deletions
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17
tests/gem_exec_alignment.c
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@ -50,6 +50,7 @@ igt_simple_main
struct drm_i915_gem_exec_object2 execobj;
struct drm_i915_gem_execbuffer2 execbuf;
uint32_t batch = MI_BATCH_BUFFER_END;
uint64_t gtt_size;
int non_pot;
int fd;
@ -79,7 +80,21 @@ igt_simple_main
if (!non_pot && execobj.alignment & -execobj.alignment)
continue;
igt_debug("starting offset: %#llx, next alignment: %#llx\n",
(long long)execobj.offset,
(long long)execobj.alignment);
gem_execbuf(fd, &execbuf);
igt_assert_eq(execobj.offset % execobj.alignment, 0);
igt_assert_eq_u64(execobj.offset % execobj.alignment, 0);
}
gtt_size = gem_aperture_size(fd);
for (execobj.alignment = 4096;
execobj.alignment < gtt_size;
execobj.alignment <<= 1) {
igt_debug("starting offset: %#llx, next alignment: %#llx\n",
(long long)execobj.offset,
(long long)execobj.alignment);
gem_execbuf(fd, &execbuf);
igt_assert_eq_u64(execobj.offset % execobj.alignment, 0);
}
}