igt/vc4_wait_bo: Add tests with rendering performed.

These caught an unexpected bug with clear colors (we'd get the last
executed clear's color in our new BO), while failing to catch the bug
I'd been hoping to find all along.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Eric Anholt 2016-01-25 10:36:12 -08:00
parent e7e094f444
commit 467a9fac9b

View File

@ -34,6 +34,38 @@
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include "vc4_drm.h" #include "vc4_drm.h"
static void
test_used_bo(int fd, uint64_t timeout)
{
size_t size = 4096;
uint32_t clearval = 0xaabbccdd + timeout;
int handle = igt_vc4_get_cleared_bo(fd, size, clearval);
struct drm_vc4_wait_bo wait = {
.timeout_ns = timeout,
.handle = handle,
};
int ret, i;
ret = ioctl(fd, DRM_IOCTL_VC4_WAIT_BO, &wait);
if (timeout == ~0ull) {
igt_assert_eq_u32(ret, 0);
} else {
if (ret == -1 && errno == ETIME)
igt_debug("Timeout triggered\n");
igt_assert(ret == 0 || (ret == -1 && errno == ETIME));
}
if (ret == 0) {
uint32_t *map = igt_vc4_mmap_bo(fd, handle, size, PROT_READ);
for (i = 0; i < size / 4; i++) {
igt_assert_eq_u32(map[i], clearval);
}
munmap((void *)map, size);
}
gem_close(fd, handle);
}
igt_main igt_main
{ {
int fd; int fd;
@ -77,6 +109,15 @@ igt_main
do_ioctl(fd, DRM_IOCTL_VC4_WAIT_BO, &arg); do_ioctl(fd, DRM_IOCTL_VC4_WAIT_BO, &arg);
} }
igt_subtest("used-bo-0ns")
test_used_bo(fd, 0);
igt_subtest("used-bo-1ns")
test_used_bo(fd, 1);
igt_subtest("used-bo")
test_used_bo(fd, ~0ull);
igt_fixture igt_fixture
close(fd); close(fd);
} }