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tests/pm_rpm: add system-suspend-{execbuf,modeset} subtests

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We were having a problem where the system-suspend test was passing,
but then the next test - gem-execbuf-stress - was failing because of
bugs caused by the suspend subtest. So add a single test that emulates
the same problem, and another test that just sets a mode after resume.
This way, we should be reproducing the problem even if you don't run
the tests in the order they are defined.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
This commit is contained in:
Paulo Zanoni 2014-10-24 17:40:04 -02:00
parent cba3088619
commit 15972aa866
1 changed files with 53 additions and 0 deletions
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53
tests/pm_rpm.c
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@ -1376,6 +1376,55 @@ static void system_suspend_subtest(void)
igt_assert(wait_for_suspended());
}
static void system_suspend_execbuf_subtest(void)
{
int i;
int batch_size = 4 * sizeof(uint32_t);
uint32_t batch_buf[batch_size];
uint32_t handle;
struct drm_i915_gem_execbuffer2 execbuf = {};
struct drm_i915_gem_exec_object2 objs[1] = {{}};
i = 0;
batch_buf[i++] = MI_NOOP;
batch_buf[i++] = MI_NOOP;
batch_buf[i++] = MI_BATCH_BUFFER_END;
batch_buf[i++] = MI_NOOP;
igt_assert(i * sizeof(uint32_t) == batch_size);
handle = gem_create(drm_fd, batch_size);
gem_write(drm_fd, handle, 0, batch_buf, batch_size);
objs[0].handle = handle;
execbuf.buffers_ptr = (uintptr_t)objs;
execbuf.buffer_count = 1;
execbuf.batch_len = batch_size;
execbuf.flags = I915_EXEC_RENDER;
i915_execbuffer2_set_context_id(execbuf, 0);
disable_all_screens_and_wait(&ms_data);
igt_system_suspend_autoresume();
igt_assert(wait_for_suspended());
for (i = 0; i < 20; i++) {
do_ioctl(drm_fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf);
igt_assert(wait_for_suspended());
}
gem_close(drm_fd, handle);
}
static void system_suspend_modeset_subtest(void)
{
disable_all_screens_and_wait(&ms_data);
igt_system_suspend_autoresume();
igt_assert(wait_for_suspended());
enable_one_screen_and_wait(&ms_data);
disable_all_screens_and_wait(&ms_data);
}
/* Enable a screen, activate DPMS, then do a modeset. At some point our driver
* produced WARNs on this case. */
static void dpms_mode_unset_subtest(enum screen_type type)
@ -1837,6 +1886,10 @@ int main(int argc, char *argv[])
/* System suspend */
igt_subtest("system-suspend")
system_suspend_subtest();
igt_subtest("system-suspend-execbuf")
system_suspend_execbuf_subtest();
igt_subtest("system-suspend-modeset")
system_suspend_modeset_subtest();
/* GEM stress */
igt_subtest("gem-execbuf-stress")