diff options
| -rw-r--r-- | tests/prime_vgem.c | 76 |
1 files changed, 73 insertions, 3 deletions
diff --git a/tests/prime_vgem.c b/tests/prime_vgem.c index 2effcfa7..bfd096e9 100644 --- a/tests/prime_vgem.c +++ b/tests/prime_vgem.c @@ -65,6 +65,10 @@ static void test_fence_read(int i915, int vgem) uint32_t *ptr; uint32_t fence; int dmabuf, i; + int master[2], slave[2]; + + igt_assert(pipe(master) == 0); + igt_assert(pipe(slave) == 0); scratch.width = 1024; scratch.height = 1024; @@ -75,18 +79,78 @@ static void test_fence_read(int i915, int vgem) handle = prime_fd_to_handle(i915, dmabuf); close(dmabuf); - fence = vgem_fence_attach(vgem, &scratch, VGEM_FENCE_WRITE); - igt_fork(child, 1) { for (i = 0; i < 1024; i++) { uint32_t tmp; gem_read(i915, handle, 4096*i, &tmp, sizeof(tmp)); + igt_assert_eq(tmp, 0); + } + write(master[1], &child, sizeof(child)); + read(slave[0], &child, sizeof(child)); + for (i = 0; i < 1024; i++) { + uint32_t tmp; + gem_read(i915, handle, 4096*i, &tmp, sizeof(tmp)); igt_assert_eq(tmp, i); } gem_close(i915, handle); } - sleep(1); + read(master[0], &i, sizeof(i)); + fence = vgem_fence_attach(vgem, &scratch, VGEM_FENCE_WRITE); + write(slave[1], &i, sizeof(i)); + + ptr = vgem_mmap(vgem, &scratch, PROT_WRITE); + for (i = 0; i < 1024; i++) + ptr[1024*i] = i; + munmap(ptr, scratch.size); + vgem_fence_signal(vgem, fence); + gem_close(vgem, scratch.handle); + + igt_waitchildren(); + close(master[0]); + close(master[1]); + close(slave[0]); + close(slave[1]); +} + +static void test_fence_mmap(int i915, int vgem) +{ + struct vgem_bo scratch; + uint32_t handle; + uint32_t *ptr; + uint32_t fence; + int dmabuf, i; + int master[2], slave[2]; + + igt_assert(pipe(master) == 0); + igt_assert(pipe(slave) == 0); + + scratch.width = 1024; + scratch.height = 1024; + scratch.bpp = 32; + vgem_create(vgem, &scratch); + + dmabuf = prime_handle_to_fd(vgem, scratch.handle); + handle = prime_fd_to_handle(i915, dmabuf); + close(dmabuf); + + igt_fork(child, 1) { + ptr = gem_mmap__gtt(i915, handle, 4096*1024, PROT_READ); + gem_close(i915, handle); + + for (i = 0; i < 1024; i++) + igt_assert_eq(ptr[1024*i], 0); + + write(master[1], &child, sizeof(child)); + read(slave[0], &child, sizeof(child)); + + for (i = 0; i < 1024; i++) + igt_assert_eq(ptr[1024*i], i); + } + + read(master[0], &i, sizeof(i)); + fence = vgem_fence_attach(vgem, &scratch, VGEM_FENCE_WRITE); + write(slave[1], &i, sizeof(i)); ptr = vgem_mmap(vgem, &scratch, PROT_WRITE); for (i = 0; i < 1024; i++) @@ -96,6 +160,10 @@ static void test_fence_read(int i915, int vgem) gem_close(vgem, scratch.handle); igt_waitchildren(); + close(master[0]); + close(master[1]); + close(slave[0]); + close(slave[1]); } static void test_write(int vgem, int i915) @@ -667,6 +735,8 @@ igt_main igt_subtest("basic-fence-read") test_fence_read(i915, vgem); + igt_subtest("basic-fence-mmap") + test_fence_mmap(i915, vgem); for (e = intel_execution_engines; e->name; e++) { igt_subtest_f("%sfence-wait-%s", |