Re: [PATCH v2 2/2] kms_content_protection: Add Content Protection test

[Ramalingam C <ramalingam.c@intel.com>]

On Thursday 07 December 2017 05:47 AM, Sean Paul wrote:
> Pretty simple test:
> - initializes the output
> - clears the content protection property
> - verifies that it clears
> - sets the content protection property to desired
> - verifies that it transitions to enabled
>
> Does this for both legacy and atomic.
>
> Changes in v2:
> - Don't check for i915 gen
> - Skip test if Content Protection property is absent
>
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
> ---
>   lib/igt_kms.c                  |   3 +-
>   lib/igt_kms.h                  |   1 +
>   tests/Makefile.sources         |   1 +
>   tests/kms_content_protection.c | 129 +++++++++++++++++++++++++++++++++++++++++
>   tests/meson.build              |   1 +
>   5 files changed, 134 insertions(+), 1 deletion(-)
>   create mode 100644 tests/kms_content_protection.c
>
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index 125ecb19..907db694 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -190,7 +190,8 @@ const char *igt_connector_prop_names[IGT_NUM_CONNECTOR_PROPS] = {
>   	"scaling mode",
>   	"CRTC_ID",
>   	"DPMS",
> -	"Broadcast RGB"
> +	"Broadcast RGB",
> +	"Content Protection"
>   };
>   
>   /*
> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> index 2a480bf3..93e59dc7 100644
> --- a/lib/igt_kms.h
> +++ b/lib/igt_kms.h
> @@ -118,6 +118,7 @@ enum igt_atomic_connector_properties {
>          IGT_CONNECTOR_CRTC_ID,
>          IGT_CONNECTOR_DPMS,
>          IGT_CONNECTOR_BROADCAST_RGB,
> +       IGT_CONNECTOR_CONTENT_PROTECTION,
>          IGT_NUM_CONNECTOR_PROPS
>   };
>   
> diff --git a/tests/Makefile.sources b/tests/Makefile.sources
> index 34ca71a0..e0466411 100644
> --- a/tests/Makefile.sources
> +++ b/tests/Makefile.sources
> @@ -179,6 +179,7 @@ TESTS_progs = \
>   	kms_chv_cursor_fail \
>   	kms_color \
>   	kms_concurrent \
> +	kms_content_protection\
>   	kms_crtc_background_color \
>   	kms_cursor_crc \
>   	kms_cursor_legacy \
> diff --git a/tests/kms_content_protection.c b/tests/kms_content_protection.c
> new file mode 100644
> index 00000000..5d61b257
> --- /dev/null
> +++ b/tests/kms_content_protection.c
> @@ -0,0 +1,129 @@
> +/*
> + * Copyright © 2017 Google, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> + * IN THE SOFTWARE.
> + *
> + */
> +
> +#include "igt.h"
> +
> +IGT_TEST_DESCRIPTION("Test content protection (HDCP)");
> +
> +typedef struct {
> +	int drm_fd;
> +	igt_display_t display;
> +} data_t;
> +
> +static bool
> +wait_for_prop_value(igt_output_t *output, uint64_t expected)
> +{
> +	uint64_t val;
> +	int i;
> +
> +	for (i = 0; i < 2000; i++) {
> +		val = igt_output_get_prop(output,
> +					  IGT_CONNECTOR_CONTENT_PROTECTION);
> +		if (val == expected)
> +			return true;
> +		usleep(1000);
> +	}
> +	igt_info("prop_value mismatch %ld != %ld\n", val, expected);
> +	return false;
> +}
> +
> +static void
> +test_pipe_output(igt_display_t *display, const enum pipe pipe,
> +		 igt_output_t *output, enum igt_commit_style s)
> +{
> +	drmModeModeInfo mode;
> +	igt_plane_t *primary;
> +	struct igt_fb red;
> +	bool ret;
> +
> +	igt_assert(kmstest_get_connector_default_mode(
> +			display->drm_fd, output->config.connector, &mode));
> +
> +	igt_output_override_mode(output, &mode);
> +	igt_output_set_pipe(output, pipe);
> +
> +	igt_create_color_fb(display->drm_fd, mode.hdisplay, mode.vdisplay,
> +			    DRM_FORMAT_XRGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
> +			    1.f, 0.f, 0.f, &red);
> +	primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
> +	igt_plane_set_fb(primary, &red);
> +	igt_display_commit2(display, s);
> +
> +	igt_output_set_prop_value(output, IGT_CONNECTOR_CONTENT_PROTECTION, 0);
> +	igt_display_commit2(display, s);
> +
> +	ret = wait_for_prop_value(output, 0);
> +	igt_require_f(ret, "Content Protection not cleared\n");
> +
> +	igt_output_set_prop_value(output, IGT_CONNECTOR_CONTENT_PROTECTION, 1);
> +	igt_display_commit2(display, s);
> +
> +	ret = wait_for_prop_value(output, 2);
> +	igt_require_f(ret, "Content Protection not enabled\n");
> +
> +	igt_plane_set_fb(primary, NULL);
> +	igt_output_set_pipe(output, PIPE_NONE);
> +}
> +
> +static void
> +test_content_protection(igt_display_t *display, enum igt_commit_style s)
> +{
> +	igt_output_t *output;
> +	enum pipe pipe;
> +	int valid_tests = 0;
> +
> +	for_each_pipe_with_valid_output(display, pipe, output) {
> +		if (!output->props[IGT_CONNECTOR_CONTENT_PROTECTION])
> +			continue;
> +
> +		test_pipe_output(display, pipe, output, s);
> +		valid_tests++;
> +	}
> +	igt_require_f(valid_tests, "no support for content proteciton found\n");
> +}
> +
> +igt_main
> +{
> +	data_t data = {};
> +
> +	igt_fixture {
> +		igt_skip_on_simulation();
> +
> +		data.drm_fd = drm_open_driver(DRIVER_ANY);
For atomic ioctl, Dont we need drm_open_driver_master() here?

--Ram
> +
> +		igt_display_init(&data.display, data.drm_fd);
> +	}
> +
> +
> +	igt_subtest("legacy")
> +		test_content_protection(&data.display, COMMIT_LEGACY);
> +
> +	igt_subtest("atomic") {
> +		igt_require(data.display.is_atomic);
> +		test_content_protection(&data.display, COMMIT_ATOMIC);
> +	}
> +
> +	igt_fixture
> +		igt_display_fini(&data.display);
> +}
> diff --git a/tests/meson.build b/tests/meson.build
> index 59ccd9a6..b12c35c0 100644
> --- a/tests/meson.build
> +++ b/tests/meson.build
> @@ -157,6 +157,7 @@ test_progs = [
>   	'kms_chv_cursor_fail',
>   	'kms_color',
>   	'kms_concurrent',
> +	'kms_content_protection',
>   	'kms_crtc_background_color',
>   	'kms_cursor_crc',
>   	'kms_cursor_legacy',

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