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tests/pm_rpm: add subtests for fences

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Daniel thought fences were not surviving runtime PM on DPMS, so we
wrote this test to check. The good news is that the test passed, so
there's no need for a Kernel patch, at least on the Kernel I tested.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
This commit is contained in:
Paulo Zanoni 2014-08-06 18:50:57 -03:00
parent d52365677e
commit a17f0604ef
1 changed files with 72 additions and 0 deletions
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72
tests/pm_rpm.c
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@ -1704,6 +1704,74 @@ static void planes_subtest(bool universal, bool dpms)
}
}
static void fences_subtest(bool dpms)
{
uint32_t connector_id, crtc_id = 0;
drmModeModeInfoPtr mode;
struct igt_fb scanout_fb;
int rc, i;
uint32_t *buf_ptr;
uint32_t tiling = false, swizzle;
disable_all_screens(&ms_data);
igt_assert(wait_for_suspended());
igt_require(find_connector_for_modeset(&ms_data, SCREEN_TYPE_ANY,
&connector_id, &mode));
crtc_id = ms_data.res->crtcs[0];
igt_assert(crtc_id);
igt_create_fb(drm_fd, mode->hdisplay, mode->vdisplay,
DRM_FORMAT_XRGB8888, true, &scanout_fb);
/* Even though we passed "true" as the tiling argument, double-check
* that the fb is really tiled. */
gem_get_tiling(drm_fd, scanout_fb.gem_handle, &tiling, &swizzle);
igt_assert(tiling);
buf_ptr = gem_mmap__gtt(drm_fd, scanout_fb.gem_handle,
scanout_fb.size, PROT_WRITE | PROT_READ);
for (i = 0; i < scanout_fb.size/sizeof(uint32_t); i++)
buf_ptr[i] = i;
rc = drmModeSetCrtc(drm_fd, crtc_id, scanout_fb.fb_id, 0, 0,
&connector_id, 1, mode);
igt_assert(rc == 0);
igt_assert(wait_for_active());
if (dpms)
disable_all_screens_dpms(&ms_data);
else
disable_all_screens(&ms_data);
igt_assert(wait_for_suspended());
for (i = 0; i < scanout_fb.size/sizeof(uint32_t); i++)
igt_assert_eq(buf_ptr[i], i);
igt_assert(wait_for_suspended());
if (dpms) {
drmModeConnectorPtr c = NULL;
for (i = 0; i < ms_data.res->count_connectors; i++)
if (ms_data.connectors[i]->connector_id == connector_id)
c = ms_data.connectors[i];
igt_assert(c);
kmstest_set_connector_dpms(drm_fd, c, DRM_MODE_DPMS_ON);
} else {
rc = drmModeSetCrtc(drm_fd, crtc_id, scanout_fb.fb_id, 0, 0,
&connector_id, 1, mode);
igt_assert(rc == 0);
}
igt_assert(wait_for_active());
for (i = 0; i < scanout_fb.size/sizeof(uint32_t); i++)
igt_assert_eq(buf_ptr[i], i);
igt_assert(munmap(buf_ptr, scanout_fb.size) == 0);
}
int rounds = 50;
bool stay = false;
@ -1808,6 +1876,10 @@ int main(int argc, char *argv[])
dpms_mode_unset_subtest(SCREEN_TYPE_LPSP);
igt_subtest("dpms-mode-unset-non-lpsp")
dpms_mode_unset_subtest(SCREEN_TYPE_NON_LPSP);
igt_subtest("fences")
fences_subtest(false);
igt_subtest("fences-dpms")
fences_subtest(true);
/* Modeset stress */
igt_subtest("modeset-lpsp-stress")