[igt-dev] [PATCH i-g-t v3 2/2] tests/kms_content_protectin: Convert test to dynamic

Modem, Bhanuprakash bhanuprakash.modem at intel.com
Wed Sep 21 11:54:46 UTC 2022


On Tue-13-09-2022 02:34 pm, Karthik B S wrote:
> Covert the existing subtests to dynamic subtests at pipe/output level.
> 
> Signed-off-by: Karthik B S <karthik.b.s at intel.com>
Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> ---
>   tests/kms_content_protection.c | 220 +++++++++++++++++++--------------
>   1 file changed, 126 insertions(+), 94 deletions(-)
> 
> diff --git a/tests/kms_content_protection.c b/tests/kms_content_protection.c
> index eb59f3fe..aadc10af 100644
> --- a/tests/kms_content_protection.c
> +++ b/tests/kms_content_protection.c
> @@ -487,12 +487,17 @@ 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) {
>   		for_each_pipe(display, pipe) {
>   			if (!igt_pipe_connector_valid(pipe, output))
> @@ -504,9 +509,10 @@ test_content_protection(enum igt_commit_style s, int content_type)
>   			if (!output_hdcp_capable(output, content_type))
>   				continue;
>   
> -			test_content_protection_on_output(output, pipe, s, content_type);
> -			test_fini(output, s);
> +			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
> @@ -514,11 +520,10 @@ test_content_protection(enum igt_commit_style s, int content_type)
>   			 */
>   			break;
>   		}
> -
> -		valid_tests++;
>   	}
>   
> -	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)
> @@ -728,6 +733,94 @@ 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/ "
> +		  "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 {
> @@ -738,107 +831,46 @@ 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 {



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