igt/gem_pwrite: Check that mmap(wc) succeeds

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-04-26 11:21:10 +01:00
parent cd812a4e89
commit 10f903aa23

View File

@ -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);
ptr = gem_mmap__wc(fd, handle, 0, size, PROT_READ);
igt_assert(ptr);
for (offset = 0; offset < size; offset += 4096) {
int suboffset = (offset >> 12) % (4096 / sizeof(offset) - 1) * sizeof(offset);