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igt/gem_concurrent_blit: Disable libdrm buffer cache for child inheritance

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It just ends up with buffer leaks all over. On the flip side, it does
allow us to inherit the bufmgr directly without worry of stomping over
the aliased entries (and causing double closes).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-01-27 19:44:16 +00:00
parent 37f4da0d98
commit a1b47ef6ae
1 changed files with 7 additions and 13 deletions
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18
tests/gem_concurrent_all.c
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@ -568,7 +568,7 @@ igt_render_copyfunc_t rendercopy;
static void *buffers_init(struct buffers *data,
const struct access_mode *mode,
int width, int height,
int _fd)
int _fd, int enable_reuse)
{
data->mode = mode;
data->count = 0;
@ -586,6 +586,7 @@ static void *buffers_init(struct buffers *data,
igt_assert(data->src);
data->dst = data->src + num_buffers;
if (enable_reuse)
drm_intel_bufmgr_gem_enable_reuse(data->bufmgr);
return intel_batchbuffer_alloc(data->bufmgr, devid);
}
@ -1124,16 +1125,8 @@ static void run_child(struct buffers *buffers,
* needs to be local as the cache of reusable itself will be COWed,
* leading to the child closing an object without the parent knowing.
*/
igt_fork(child, 1) {
buffers->bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
drm_intel_bufmgr_gem_enable_reuse(buffers->bufmgr);
batch = intel_batchbuffer_alloc(buffers->bufmgr, devid);
igt_fork(child, 1)
do_test_func(buffers, do_copy_func, do_hang_func);
intel_batchbuffer_free(batch);
drm_intel_bufmgr_destroy(buffers->bufmgr);
}
igt_waitchildren();
igt_assert_eq(intel_detect_and_clear_missed_interrupts(fd), 0);
}
@ -1157,7 +1150,7 @@ static void __run_forked(struct buffers *buffers,
batch = buffers_init(buffers, buffers->mode,
buffers->width, buffers->height,
fd);
fd, true);
buffers_create(buffers, num_buffers);
for (pass = 0; pass < loops; pass++)
@ -1271,7 +1264,8 @@ run_basic_modes(const char *prefix,
igt_fixture
batch = buffers_init(&buffers, mode,
512, 512, fd);
512, 512, fd,
run_wrap_func != run_child);
igt_subtest_f("%s-%s-%s-sanitycheck0%s%s", prefix, mode->name, p->prefix, suffix, h->suffix) {
p->require();