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tests/pm_pc8: add reg-read-ioctl subtest

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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>
This commit is contained in:
Paulo Zanoni 2014-02-25 16:40:51 -03:00
parent 81ade89d64
commit 31b20f7478
1 changed files with 17 additions and 0 deletions
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17
tests/pm_pc8.c
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@ -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")