@@ -338,6 +338,78 @@ static void run_check_psr(data_t *data, bool test_null_crtc) {
test_fini(data);
}
+static void psr_forbidden(data_t *data)
+{
+ int edp_idx, ret, i, psr_state;
+ igt_fb_t ref_fb, ref_fb2;
+ igt_fb_t *flip_fb;
+ igt_output_t *output;
+
+ test_init(data);
+
+ edp_idx = check_conn_type(data, DRM_MODE_CONNECTOR_eDP);
+ igt_skip_on_f(edp_idx == -1, "no eDP connector found\n");
+
+ /* check if eDP support PSR1, PSR-SU.
+ */
+ igt_skip_on(!psr_mode_supported(data, PSR_MODE_1) && !psr_mode_supported(data, PSR_MODE_2));
+ for_each_connected_output(&data->display, output) {
+
+ if (output->config.connector->connector_type != DRM_MODE_CONNECTOR_eDP)
+ continue;
+ ret = clear_power_saving_policy(data->fd, output);
+ if (ret == -ENODEV) {
+ igt_skip("No power saving policy prop\n");
+ return;
+ }
+ igt_require(ret == 0);
+
+ /* try to engage PSR */
+ ret = set_panel_power_saving_policy(data->fd, output, DRM_MODE_REQUIRE_LOW_LATENCY);
+ igt_assert_eq(ret, 0);
+
+ igt_create_color_fb(data->fd, data->mode->hdisplay,
+ data->mode->vdisplay, DRM_FORMAT_XRGB8888, 0, 1.0,
+ 0.0, 0.0, &ref_fb);
+ igt_create_color_fb(data->fd, data->mode->hdisplay,
+ data->mode->vdisplay, DRM_FORMAT_XRGB8888, 0, 0.0,
+ 1.0, 0.0, &ref_fb2);
+
+ igt_plane_set_fb(data->primary, &ref_fb);
+
+ igt_display_commit_atomic(&data->display, DRM_MODE_ATOMIC_ALLOW_MODESET, 0);
+
+ for (i = 0; i < N_FLIPS; i++) {
+ if (i % 2 == 0)
+ flip_fb = &ref_fb2;
+ else
+ flip_fb = &ref_fb;
+
+ ret = drmModePageFlip(data->fd, output->config.crtc->crtc_id,
+ flip_fb->fb_id, DRM_MODE_PAGE_FLIP_EVENT, NULL);
+ igt_require(ret == 0);
+ kmstest_wait_for_pageflip(data->fd);
+ }
+
+ /* PSR state takes some time to settle its value on static screen */
+ sleep(PSR_SETTLE_DELAY);
+
+ psr_state = igt_amd_read_psr_state(data->fd, output->name);
+ igt_require(psr_state == PSR_STATE3);
+
+ igt_remove_fb(data->fd, &ref_fb);
+ igt_remove_fb(data->fd, &ref_fb2);
+
+ ret = clear_power_saving_policy(data->fd, output);
+ if (ret == -ENODEV) {
+ igt_skip("No power saving policy prop\n");
+ return;
+ }
+ igt_require(ret == 0);
+
+ }
+}
+
static void run_check_psr_su_mpo(data_t *data, bool scaling, float scaling_ratio)
{
int edp_idx = check_conn_type(data, DRM_MODE_CONNECTOR_eDP);
@@ -756,6 +828,8 @@ igt_main_args("", long_options, help_str, opt_handler, NULL)
igt_describe("Test to validate PSR SU enablement with Visual Confirm "
"and to validate PSR SU disable/re-enable w/ primary scaling ratio 0.75");
igt_subtest("psr_su_mpo_scaling_0_75") run_check_psr_su_mpo(&data, true, .75);
+ igt_describe("Test whether PSR can be forbidden");
+ igt_subtest("psr_forbidden") psr_forbidden(&data);
igt_fixture
{