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igt/gem_pwrite: Check that mmap(wc) succeeds

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris Wilson 2015-04-26 11:21:10 +01:00
parent cd812a4e89
commit 10f903aa23
1 changed files with 2 additions and 0 deletions
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tests/gem_pwrite.c
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@ -121,6 +121,8 @@ static void test_big_gtt(int fd, int scale)
gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
ptr = gem_mmap__wc(fd, handle, 0, size, PROT_READ); ptr = gem_mmap__wc(fd, handle, 0, size, PROT_READ);
igt_assert(ptr);
for (offset = 0; offset < size; offset += 4096) { for (offset = 0; offset < size; offset += 4096) {
int suboffset = (offset >> 12) % (4096 / sizeof(offset) - 1) * sizeof(offset); int suboffset = (offset >> 12) % (4096 / sizeof(offset) - 1) * sizeof(offset);