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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-05-08 16:57:18 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-05-08 21:44:14 +0100 |
| commit | 5be93cf38b4b1a29fc46dd80a586bcc1eb25e438 (patch) | |
| tree | 431a60f7064894a13911753d7eeb3eec1de56cd7 /tests | |
| parent | 90a1115ec8268977304d42a84717baddb52b1b67 (diff) | |
igt/gem_mmap_gtt: Check that userspace clflushing of the GTT mmap
References: https://bugs.freedesktop.org/show_bug.cgi?id=100971
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/gem_mmap_gtt.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/gem_mmap_gtt.c b/tests/gem_mmap_gtt.c index 1fb1f015..4ff5e7f1 100644 --- a/tests/gem_mmap_gtt.c +++ b/tests/gem_mmap_gtt.c @@ -342,6 +342,25 @@ test_coherency(int fd) } static void +test_clflush(int fd) +{ + uint32_t handle; + uint32_t *gtt; + + igt_require(igt_setup_clflush()); + + handle = gem_create(fd, OBJECT_SIZE); + + gtt = gem_mmap__gtt(fd, handle, OBJECT_SIZE, PROT_READ | PROT_WRITE); + set_domain_gtt(fd, handle); + + igt_clflush_range(gtt, OBJECT_SIZE); + + munmap(gtt, OBJECT_SIZE); + gem_close(fd, handle); +} + +static void test_hang(int fd) { igt_hang_t hang; @@ -792,6 +811,8 @@ igt_main test_write_gtt(fd); igt_subtest("coherency") test_coherency(fd); + igt_subtest("clflush") + test_clflush(fd); igt_subtest("hang") test_hang(fd); igt_subtest("basic-read-write") |