[PATCH i-g-t] tests/pm_rpm tests for set_caching and set_tiling ioctl(s)

marius.c.vlad
2015-11-24T17:42:31Z

From: Marius Vlad <marius.c.vlad@intel.com>

Signed-off-by: Marius Vlad <marius.c.vlad@intel.com>
---
tests/pm_rpm.c | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 90 insertions(+)

diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
index c4fb19c..86d16ad 100644
--- a/tests/pm_rpm.c
+++ b/tests/pm_rpm.c
@@ -1729,6 +1729,90 @@ static void planes_subtest(bool universal, bool dpms)
}
}

+static void pm_test_tiling(void)
+{
+ uint32_t handle;
+ uint8_t *gem_buf;
+ uint32_t i, tiling_modes[3] = {
+ I915_TILING_NONE,
+ I915_TILING_X,
+ I915_TILING_Y,
+ };
+ uint32_t ti, sw, j;
+ uint32_t obj_size = (8 * 1024 * 1024);
+
+ handle = gem_create(drm_fd, obj_size);
+
+ for (i = 0; i < ARRAY_SIZE(tiling_modes); i++) {
+ disable_all_screens_and_wait(&ms_data);
+
+ if (tiling_modes[i] == 0) {
+ gem_set_tiling(drm_fd, handle, tiling_modes[i], 0);
+
+ gem_buf = gem_mmap__cpu(drm_fd, handle, 0,
+ obj_size, PROT_WRITE);
+
+ for (j = 0; j < obj_size; j++)
+ gem_buf[j] = j & 0xff;
+
+ igt_assert(munmap(gem_buf, obj_size) == 0);
+
+ gem_get_tiling(drm_fd, handle, &ti, &sw);
+ igt_assert(tiling_modes[i] == ti);
+ } else {
+ gem_set_tiling(drm_fd, handle, tiling_modes[i], 512);
+ gem_buf = gem_mmap__cpu(drm_fd, handle, 0,
+ obj_size, PROT_WRITE);
+
+ for (j = 0; j < obj_size; j++)
+ gem_buf[j] = j & 0xff;
+
+ igt_assert(munmap(gem_buf, obj_size) == 0);
+
+ gem_get_tiling(drm_fd, handle, &ti, &sw);
+ igt_assert(tiling_modes[i] == ti);
+ }
+
+ enable_one_screen_and_wait(&ms_data);
+ }
+
+ gem_close(drm_fd, handle);
+}
+
+static void pm_test_caching(void)
+{
+ uint32_t handle, got_caching, obj_size = (8 * 1024 * 1024);
+ void *src_buf;
+ uint32_t i, cache_levels[3] = {
+ I915_CACHING_NONE,
+ I915_CACHING_CACHED,
+ I915_CACHING_DISPLAY,
+ };
+
+ handle = gem_create(drm_fd, obj_size);
+ src_buf = malloc(obj_size);
+
+ memset(src_buf, 0x65, obj_size);
+
+ for (i = 0; i < ARRAY_SIZE(cache_levels); i++) {
+ disable_all_screens_and_wait(&ms_data);
+
+ gem_set_caching(drm_fd, handle, cache_levels[i]);
+ gem_write(drm_fd, handle, 0, src_buf, obj_size);
+
+ got_caching = gem_get_caching(drm_fd, handle);
+
+ enable_one_screen_and_wait(&ms_data);
+
+ /* skip CACHING_DISPLAY, some platforms do not have it */
+ if (i != 2)
+ igt_assert(got_caching == cache_levels[i]);
+ }
+
+ free(src_buf);
+ gem_close(drm_fd, handle);
+}
+
static void fences_subtest(bool dpms)
{
int i;
@@ -1927,6 +2011,12 @@ int main(int argc, char *argv[])
igt_subtest("gem-execbuf-stress-extra-wait")
gem_execbuf_stress_subtest(rounds, WAIT_STATUS | WAIT_EXTRA);

+ /* power-wake reference tests */
+ igt_subtest("pm-tiling")
+ pm_test_tiling();
+ igt_subtest("pm-caching")
+ pm_test_caching();
+
igt_fixture
teardown_environment();

--
2.6.2