[igt-dev] [PATCH i-g-t v2] tests/kms_content_protection: Convert tests to Dynamic
Kamil Konieczny
kamil.konieczny at linux.intel.com
Fri Sep 9 10:41:27 UTC 2022
Hi Karthik,
On 2022-09-09 at 10:47:24 +0530, Karthik B S wrote:
> Covert the existing subtests to dynamic subtests at pipe/output level.
> Also move the cleanup part outside the subtest so that it is run even if
> a failure is seen in the subtest.
>
> v2: -Try other pipe/output combo for MST if failure is seen on one
> -Remove redundant mode_override
> -Misc cleanup
>
> Signed-off-by: Karthik B S <karthik.b.s at intel.com>
> ---
> tests/kms_content_protection.c | 409 ++++++++++++++++++---------------
> 1 file changed, 221 insertions(+), 188 deletions(-)
>
> diff --git a/tests/kms_content_protection.c b/tests/kms_content_protection.c
> index 3041f1cd..6829343c 100644
> --- a/tests/kms_content_protection.c
> +++ b/tests/kms_content_protection.c
> @@ -170,18 +170,15 @@ static void modeset_with_fb(const enum pipe pipe, igt_output_t *output,
> enum igt_commit_style s)
> {
> igt_display_t *display = &data.display;
> - drmModeModeInfo mode;
> + drmModeModeInfo *mode;
> igt_plane_t *primary;
>
> - igt_assert(kmstest_get_connector_default_mode(
> - display->drm_fd, output->config.connector, &mode));
> -
> - igt_output_override_mode(output, &mode);
> + mode = igt_output_get_mode(output);
> igt_output_set_pipe(output, pipe);
>
> primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> igt_plane_set_fb(primary, &data.red);
> - igt_fb_set_size(&data.red, primary, mode.hdisplay, mode.vdisplay);
> + igt_fb_set_size(&data.red, primary, mode->hdisplay, mode->vdisplay);
>
> igt_display_commit2(display, s);
>
> @@ -273,17 +270,6 @@ static void test_cp_enable_with_retry(igt_output_t *output,
>
> }
>
> -static bool igt_pipe_is_free(igt_display_t *display, enum pipe pipe)
> -{
> - int i;
> -
> - for (i = 0; i < display->n_outputs; i++)
> - if (display->outputs[i].pending_pipe == pipe)
> - return false;
> -
> - return true;
> -}
> -
> static void test_cp_lic(igt_output_t *output)
> {
> bool ret;
> @@ -317,90 +303,61 @@ static bool write_srm_as_fw(const __u8 *srm, int len)
> }
>
> static void test_content_protection_on_output(igt_output_t *output,
> + enum pipe pipe,
> enum igt_commit_style s,
> int content_type)
> {
> igt_display_t *display = &data.display;
> - igt_plane_t *primary;
> - enum pipe pipe;
> bool ret;
>
> - for_each_pipe(display, pipe) {
> - if (!igt_pipe_connector_valid(pipe, output))
> - continue;
> -
> - /*
> - * If previous subtest of connector failed, pipe
> - * attached to that connector is not released.
> - * Because of that we have to choose the non
> - * attached pipe for this subtest.
> - */
> - if (!igt_pipe_is_free(display, pipe))
> - continue;
> -
> - modeset_with_fb(pipe, output, s);
> - test_cp_enable_with_retry(output, s, 3, content_type, false,
> - false);
> -
> - if (data.cp_tests & CP_TYPE_CHANGE) {
> - /* Type 1 -> Type 0 */
> - test_cp_enable_with_retry(output, s, 3,
> - HDCP_CONTENT_TYPE_0, false,
> - true);
> - /* Type 0 -> Type 1 */
> - test_cp_enable_with_retry(output, s, 3,
> - content_type, false,
> - true);
> - }
> -
> - if (data.cp_tests & CP_MEI_RELOAD) {
> - igt_assert_f(!igt_kmod_unload("mei_hdcp", 0),
> - "mei_hdcp unload failed");
> + test_cp_enable_with_retry(output, s, 3, content_type, false,
> + false);
> +
> + if (data.cp_tests & CP_TYPE_CHANGE) {
> + /* Type 1 -> Type 0 */
> + test_cp_enable_with_retry(output, s, 3,
> + HDCP_CONTENT_TYPE_0, false,
> + true);
> + /* Type 0 -> Type 1 */
> + test_cp_enable_with_retry(output, s, 3,
> + content_type, false,
> + true);
> + }
>
> - /* Expected to fail */
> - test_cp_enable_with_retry(output, s, 3,
> - content_type, true, false);
> + if (data.cp_tests & CP_MEI_RELOAD) {
> + igt_assert_f(!igt_kmod_unload("mei_hdcp", 0),
> + "mei_hdcp unload failed");
>
> - igt_assert_f(!igt_kmod_load("mei_hdcp", NULL),
> - "mei_hdcp load failed");
> + /* Expected to fail */
> + test_cp_enable_with_retry(output, s, 3,
> + content_type, true, false);
>
> - /* Expected to pass */
> - test_cp_enable_with_retry(output, s, 3,
> - content_type, false, false);
> - }
> + igt_assert_f(!igt_kmod_load("mei_hdcp", NULL),
> + "mei_hdcp load failed");
>
> - if (data.cp_tests & CP_LIC)
> - test_cp_lic(output);
> + /* Expected to pass */
> + test_cp_enable_with_retry(output, s, 3,
> + content_type, false, false);
> + }
>
> - if (data.cp_tests & CP_DPMS) {
> - igt_pipe_set_prop_value(display, pipe,
> - IGT_CRTC_ACTIVE, 0);
> - igt_display_commit2(display, s);
> + if (data.cp_tests & CP_LIC)
> + test_cp_lic(output);
>
> - igt_pipe_set_prop_value(display, pipe,
> - IGT_CRTC_ACTIVE, 1);
> - igt_display_commit2(display, s);
> + if (data.cp_tests & CP_DPMS) {
> + igt_pipe_set_prop_value(display, pipe,
> + IGT_CRTC_ACTIVE, 0);
> + igt_display_commit2(display, s);
>
> - ret = wait_for_prop_value(output, CP_ENABLED,
> - KERNEL_AUTH_TIME_ALLOWED_MSEC);
> - if (!ret)
> - test_cp_enable_with_retry(output, s, 2,
> - content_type, false,
> - false);
> - }
> + igt_pipe_set_prop_value(display, pipe,
> + IGT_CRTC_ACTIVE, 1);
> + igt_display_commit2(display, s);
>
> - test_cp_disable(output, s);
> - primary = igt_output_get_plane_type(output,
> - DRM_PLANE_TYPE_PRIMARY);
> - igt_plane_set_fb(primary, NULL);
> - igt_output_set_pipe(output, PIPE_NONE);
> -
> - /*
> - * Testing a output with a pipe is enough for HDCP
> - * testing. No ROI in testing the connector with other
> - * pipes. So Break the loop on pipe.
> - */
> - break;
> + ret = wait_for_prop_value(output, CP_ENABLED,
> + KERNEL_AUTH_TIME_ALLOWED_MSEC);
> + if (!ret)
> + test_cp_enable_with_retry(output, s, 2,
> + content_type, false,
> + false);
> }
> }
>
> @@ -477,7 +434,8 @@ static void prepare_modeset_on_mst_output(igt_output_t *output)
> igt_plane_set_size(primary, width, height);
> }
>
> -static bool output_hdcp_capable(igt_output_t *output, int content_type)
> +static bool
> +output_hdcp_capable(igt_output_t *output, int content_type)
> {
> if (!output->props[IGT_CONNECTOR_CONTENT_PROTECTION])
> return false;
> @@ -499,26 +457,61 @@ static bool output_hdcp_capable(igt_output_t *output, int content_type)
> return true;
> }
>
> +static void
> +test_fini(igt_output_t *output, enum igt_commit_style s)
> +{
> + igt_plane_t *primary;
> +
> + test_cp_disable(output, s);
> + primary = igt_output_get_plane_type(output,
> + DRM_PLANE_TYPE_PRIMARY);
> + igt_plane_set_fb(primary, NULL);
> + igt_output_set_pipe(output, PIPE_NONE);
> + igt_display_commit2(&data.display, s);
> +}
> +
> static void
> test_content_protection(enum igt_commit_style s, int content_type)
> {
> igt_display_t *display = &data.display;
> igt_output_t *output;
> - int valid_tests = 0;
> + enum pipe pipe;
>
> if (data.cp_tests & CP_MEI_RELOAD)
> igt_require_f(igt_kmod_is_loaded("mei_hdcp"),
> "mei_hdcp module is not loaded\n");
>
> + if (data.cp_tests & CP_UEVENT) {
> + data.uevent_monitor = igt_watch_uevents();
> + igt_flush_uevents(data.uevent_monitor);
> + }
> +
> for_each_connected_output(display, output) {
> - if (!output_hdcp_capable(output, content_type))
> - continue;
> + for_each_pipe(display, pipe) {
> + if (!igt_pipe_connector_valid(pipe, output))
> + continue;
> +
> + igt_display_reset(display);
> + modeset_with_fb(pipe, output, s);
>
> - test_content_protection_on_output(output, s, content_type);
> - valid_tests++;
> + if (!output_hdcp_capable(output, content_type))
> + continue;
> +
> + igt_dynamic_f("pipe-%s-%s", kmstest_pipe_name(pipe), output->name)
> + test_content_protection_on_output(output, pipe, s, content_type);
> +
> + test_fini(output, s);
> + /*
> + * Testing a output with a pipe is enough for HDCP
> + * testing. No ROI in testing the connector with other
> + * pipes. So Break the loop on pipe.
> + */
> + break;
> + }
> }
>
> - igt_require_f(valid_tests, "No connector found with HDCP capability\n");
> + if (data.cp_tests & CP_UEVENT)
> + igt_cleanup_uevents(data.uevent_monitor);
> }
>
> static int parse_path_blob(char *blob_data)
> @@ -596,6 +589,7 @@ test_content_protection_mst(int content_type)
> igt_output_t *output;
> int valid_outputs = 0, dp_mst_outputs = 0, ret, count, max_pipe = 0, i;
> enum pipe pipe;
> + bool pipe_in_use, pipe_found;
> igt_output_t *mst_output[IGT_MAX_PIPES], *hdcp_mst_output[IGT_MAX_PIPES];
>
> for_each_pipe(display, pipe)
> @@ -607,16 +601,28 @@ test_content_protection_mst(int content_type)
> if (!output_is_dp_mst(output, dp_mst_outputs))
> continue;
>
> - igt_assert_f(igt_pipe_connector_valid(pipe, output), "Output-pipe combination invalid\n");
> + pipe_found = false;
> + for_each_pipe(display, pipe) {
> + pipe_in_use = false;
> +
> + for (count = 0; count < dp_mst_outputs; count++) {
> + if (pipe == mst_output[count]->pending_pipe) {
> + pipe_in_use = true;
> + break;
> + }
> + }
> +
> + if (!pipe_in_use && igt_pipe_connector_valid(pipe, output)) {
> + pipe_found = true;
> + break;
> + }
> + }
> +
> + igt_assert_f(pipe_found, "No valid pipe found for %s\n", output->name);
>
> igt_output_set_pipe(output, pipe);
> prepare_modeset_on_mst_output(output);
> mst_output[dp_mst_outputs++] = output;
> -
> - pipe++;
> -
> - if (pipe > max_pipe)
> - break;
> }
>
> igt_require_f(dp_mst_outputs > 1, "No DP MST set up with >= 2 outputs found in a single topology\n");
> @@ -723,6 +729,94 @@ static void create_fbs(void)
> 0.f, 1.f, 0.f, &data.green);
> }
>
> +static const struct {
> + const char *desc;
> + const char *name;
> + unsigned int cp_tests;
> + bool content_type;
> +} subtests[] = {
> + { .desc = "Test content protection with atomic modesetting",
> + .name = "atomic",
> + .cp_tests = 0,
> + .content_type = HDCP_CONTENT_TYPE_0
> + },
> + { .desc = "Test content protection with DPMS ON/OFF during atomic modesetting.",
> + .name = "atomic-dpms",
> + .cp_tests = CP_DPMS,
> + .content_type = HDCP_CONTENT_TYPE_0
> + },
> + { .desc = "Test for the integrity of link.",
> + .name = "LIC",
> + .cp_tests = CP_LIC,
> + .content_type = HDCP_CONTENT_TYPE_0,
> + },
> + { .desc = "Test content protection with content type 1 "
> + "that can be handled only through HDCP2.2.",
> + .name = "type1",
> + .cp_tests = 0,
> + .content_type = HDCP_CONTENT_TYPE_1,
> + },
> + { .desc = "Test the teardown and rebuild of the interface between "
> + "I915 and mei hdcp.",
> + .name = "mei_interface",
> + .cp_tests = CP_MEI_RELOAD,
> + .content_type = HDCP_CONTENT_TYPE_1,
> + },
> + { .desc = "Test the content type change when the content protection already enabled",
> + .name = "content_type_change",
> + .cp_tests = CP_TYPE_CHANGE,
> + .content_type = HDCP_CONTENT_TYPE_1,
> + },
> + { .desc = "Test to detect the HDCP status change when we are reading the uevent "
> + "sent with the corresponding connector id and property id.",
> + .name = "uevent",
> + .cp_tests = CP_UEVENT,
> + .content_type = HDCP_CONTENT_TYPE_0,
> + },
> + /*
> + * Testing the revocation check through SRM needs a HDCP sink with
> + * programmable Ksvs or we need a uAPI from kernel to read the
> + * connected HDCP sink's Ksv. With that we would be able to add that
> + * Ksv into a SRM and send in for revocation check. Since we dont have
> + * either of these options, we test SRM writing from userspace and
> + * validation of the same at kernel. Something is better than nothing.
> + */
> + { .desc = "This test writes the facsimile SRM into the /lib/firmware/"
---------------------------------------------------------------------------- ^
Add space after /lib/firmware/.
--
Kamil
> + "and check the kernel parsing of it by invoking the hdcp authentication.",
> + .name = "srm",
> + .cp_tests = 0,
> + .content_type = HDCP_CONTENT_TYPE_0,
> + },
> +};
> +
> +static const struct {
> + const char *desc;
> + const char *name;
> + unsigned int cp_tests;
> + bool content_type;
> +} mst_subtests[] = {
> + { .desc = "Test Content protection(Type 0) over DP MST.",
> + .name = "dp-mst-type-0",
> + .cp_tests = 0,
> + .content_type = HDCP_CONTENT_TYPE_0
> + },
> + { .desc = "Test Content protection(Type 0) over DP MST with LIC.",
> + .name = "dp-mst-lic-type-0",
> + .cp_tests = CP_LIC,
> + .content_type = HDCP_CONTENT_TYPE_0
> + },
> + { .desc = "Test Content protection(Type 1) over DP MST.",
> + .name = "dp-mst-type-1",
> + .cp_tests = 0,
> + .content_type = HDCP_CONTENT_TYPE_1,
> + },
> + { .desc = "Test Content protection(Type 1) over DP MST with LIC.",
> + .name = "dp-mst-lic-type-1",
> + .cp_tests = CP_LIC,
> + .content_type = HDCP_CONTENT_TYPE_1,
> + },
> +};
> +
> igt_main
> {
> igt_fixture {
> @@ -733,107 +827,46 @@ igt_main
> }
>
> igt_describe("Test content protection with legacy style commit.");
> - igt_subtest("legacy") {
> + igt_subtest_with_dynamic("legacy") {
> data.cp_tests = 0;
> test_content_protection(COMMIT_LEGACY, HDCP_CONTENT_TYPE_0);
> }
>
> - igt_describe("Test content protection with atomic modesetting");
> - igt_subtest("atomic") {
> - igt_require(data.display.is_atomic);
> - data.cp_tests = 0;
> - test_content_protection(COMMIT_ATOMIC, HDCP_CONTENT_TYPE_0);
> - }
> + igt_subtest_group {
> + igt_fixture
> + igt_require(data.display.is_atomic);
>
> - igt_describe("Test content protection with DPMS ON/OFF during atomic modesetting.");
> - igt_subtest("atomic-dpms") {
> - igt_require(data.display.is_atomic);
> - data.cp_tests = CP_DPMS;
> - test_content_protection(COMMIT_ATOMIC, HDCP_CONTENT_TYPE_0);
> - }
> + for (int i = 0; i < ARRAY_SIZE(subtests); i++) {
> + igt_describe_f("%s", subtests[i].desc);
>
> - igt_describe("Test for the integrity of link.");
> - igt_subtest("LIC") {
> - igt_require(data.display.is_atomic);
> - data.cp_tests = CP_LIC;
> - test_content_protection(COMMIT_ATOMIC, HDCP_CONTENT_TYPE_0);
> - }
> + igt_subtest_with_dynamic(subtests[i].name) {
> + data.cp_tests = subtests[i].cp_tests;
>
> - igt_describe("Test content protection with content type 1 that "
> - "can be handled only through HDCP2.2.");
> - igt_subtest("type1") {
> - igt_require(data.display.is_atomic);
> - test_content_protection(COMMIT_ATOMIC, HDCP_CONTENT_TYPE_1);
> - }
> + if (!strcmp(subtests[i].name, "srm")) {
> + bool ret;
>
> - igt_describe("Test the teardown and rebuild of the interface between "
> - "I915 and mei hdcp.");
> - igt_subtest("mei_interface") {
> - igt_require(data.display.is_atomic);
> - data.cp_tests = CP_MEI_RELOAD;
> - test_content_protection(COMMIT_ATOMIC, HDCP_CONTENT_TYPE_1);
> - }
> + ret = write_srm_as_fw((const __u8 *)facsimile_srm,
> + sizeof(facsimile_srm));
> + igt_assert_f(ret, "SRM update failed");
> + }
>
> - igt_describe("Test the content type change when the content protection already "
> - "enabled.");
> - igt_subtest("content_type_change") {
> - igt_require(data.display.is_atomic);
> - data.cp_tests = CP_TYPE_CHANGE;
> - test_content_protection(COMMIT_ATOMIC, HDCP_CONTENT_TYPE_1);
> - }
> -
> - igt_describe("Test to detect the HDCP status change when we are reading the uevent "
> - "sent with the corresponding connector id and property id.");
> - igt_subtest("uevent") {
> - igt_require(data.display.is_atomic);
> - data.cp_tests = CP_UEVENT;
> - data.uevent_monitor = igt_watch_uevents();
> - igt_flush_uevents(data.uevent_monitor);
> - test_content_protection(COMMIT_ATOMIC, HDCP_CONTENT_TYPE_0);
> - igt_cleanup_uevents(data.uevent_monitor);
> - }
> -
> - /*
> - * Testing the revocation check through SRM needs a HDCP sink with
> - * programmable Ksvs or we need a uAPI from kernel to read the
> - * connected HDCP sink's Ksv. With that we would be able to add that
> - * Ksv into a SRM and send in for revocation check. Since we dont have
> - * either of these options, we test SRM writing from userspace and
> - * validation of the same at kernel. Something is better than nothing.
> - */
> - igt_describe("This test writes the facsimile SRM into the /lib/firmware/ "
> - "and check the kernel parsing of it by invoking the hdcp authentication.");
> - igt_subtest("srm") {
> - bool ret;
> -
> - igt_require(data.display.is_atomic);
> - data.cp_tests = 0;
> - ret = write_srm_as_fw((const __u8 *)facsimile_srm,
> - sizeof(facsimile_srm));
> - igt_assert_f(ret, "SRM update failed");
> - test_content_protection(COMMIT_ATOMIC, HDCP_CONTENT_TYPE_0);
> - }
> -
> - igt_describe("Test Content protection over DP MST");
> - igt_subtest("dp-mst-type-0") {
> - test_content_protection_mst(HDCP_CONTENT_TYPE_0);
> + test_content_protection(COMMIT_ATOMIC, subtests[i].content_type);
> + }
> + }
> }
>
> - igt_describe("Test Content protection over DP MST with LIC");
> - igt_subtest("dp-mst-lic-type-0") {
> - data.cp_tests = CP_LIC;
> - test_content_protection_mst(HDCP_CONTENT_TYPE_0);
> - }
> + igt_subtest_group {
> + igt_fixture
> + igt_require(data.display.is_atomic);
>
> - igt_describe("Test Content protection over DP MST");
> - igt_subtest("dp-mst-type-1") {
> - test_content_protection_mst(HDCP_CONTENT_TYPE_1);
> - }
> + for (int i = 0; i < ARRAY_SIZE(mst_subtests); i++) {
> + igt_describe_f("%s", mst_subtests[i].desc);
>
> - igt_describe("Test Content protection over DP MST with LIC");
> - igt_subtest("dp-mst-lic-type-1") {
> - data.cp_tests = CP_LIC;
> - test_content_protection_mst(HDCP_CONTENT_TYPE_1);
> + igt_subtest(mst_subtests[i].name) {
> + data.cp_tests = mst_subtests[i].cp_tests;
> + test_content_protection_mst(mst_subtests[i].content_type);
> + }
> + }
> }
>
> igt_fixture {
> --
> 2.22.0
>
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