diff options
Diffstat (limited to 'tests/prime_vgem.c')
| -rw-r--r-- | tests/prime_vgem.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tests/prime_vgem.c b/tests/prime_vgem.c index 2753fce9..6ccadcbd 100644 --- a/tests/prime_vgem.c +++ b/tests/prime_vgem.c @@ -90,7 +90,7 @@ static void test_gtt(int vgem, int i915) { struct vgem_bo scratch; uint32_t handle; - uint32_t *ptr; + uint32_t *ptr, *gtt; int dmabuf, i; scratch.width = 1024; @@ -119,6 +119,18 @@ static void test_gtt(int vgem, int i915) igt_assert_eq(ptr[1024*i], ~i); munmap(ptr, scratch.size); + + ptr = vgem_mmap(vgem, &scratch, PROT_WRITE); + gtt = gem_mmap__gtt(i915, handle, scratch.size, PROT_WRITE); + for (i = 0; i < 1024; i++) { + gtt[1024*i] = i; + igt_assert_eq(ptr[1024*i], i); + ptr[1024*i] = ~i; + igt_assert_eq(gtt[1024*i], ~i); + } + munmap(gtt, scratch.size); + munmap(ptr, scratch.size); + gem_close(i915, handle); gem_close(vgem, scratch.handle); } |