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| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2014-02-25 16:40:51 -0300 |
|---|---|---|
| committer | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2014-02-25 17:08:44 -0300 |
| commit | 31b20f7478a27e159482ac23f3d128e90ca98d23 (patch) | |
| tree | 1f4537dc215353b2a3237216c9dd65c7c68162c5 /tests | |
| parent | 81ade89d6444ed4159c8cafb0512254f02ec34e0 (diff) | |
tests/pm_pc8: add reg-read-ioctl subtest
After I finally fixed the code that WARNs if we're runtime suspended
when reading registers I started getting the WARNs, so this test
should reproduce them on a Kernel with the problem.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/pm_pc8.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/pm_pc8.c b/tests/pm_pc8.c index 7ae0dd25..e0f91388 100644 --- a/tests/pm_pc8.c +++ b/tests/pm_pc8.c @@ -1391,6 +1391,21 @@ static void gem_idle_subtest(void) gem_quiescent_gpu(drm_fd); } +/* This also triggered WARNs on dmesg at some point. */ +static void reg_read_ioctl_subtest(void) +{ + struct drm_i915_reg_read rr = { + .offset = 0x2358, /* render ring timestamp */ + }; + + disable_all_screens(&ms_data); + igt_assert(wait_for_suspended()); + + do_ioctl(drm_fd, DRM_IOCTL_I915_REG_READ, &rr); + + igt_assert(wait_for_suspended()); +} + int main(int argc, char *argv[]) { int rounds = 50; @@ -1434,6 +1449,8 @@ int main(int argc, char *argv[]) gem_idle_subtest(); /* Misc */ + igt_subtest("reg-read-ioctl") + reg_read_ioctl_subtest(); igt_subtest("i2c") i2c_subtest(); igt_subtest("pc8-residency") |