Quoting Sean Paul (2018-01-08 15:55:21)
> 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
> Changes in v3:
> - s/igt_require_f/igt_assert_f/ (Ram)
> - Clear property after test runs (Ram)
> - s/drm_open_driver/drm_open_driver_master/ (Ram)
> - Fix spelling mistake in log message
> - Pull out property set/check into helper
>
> Signed-off-by: Sean Paul <seanp...@chromium.org>
> ---
> lib/igt_kms.c | 3 +-
> lib/igt_kms.h | 1 +
> tests/Makefile.sources | 1 +
> tests/kms_content_protection.c | 133
> +++++++++++++++++++++++++++++++++++++++++
> tests/meson.build | 1 +
> 5 files changed, 138 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..3f05c36d
> --- /dev/null
> +++ b/tests/kms_content_protection.c
> @@ -0,0 +1,133 @@
> +/*
> + * 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);
> + }
if (igt_wait(igt_output_get_prop(output, IGT_CONNECTOR...), 2000, 1))
return true;
> + igt_info("prop_value mismatch %ld != %ld\n", val, expected);
> + return false;
> +}
> +
> +static void set_prop(igt_display_t *display, igt_output_t *output,
> + enum igt_commit_style s, uint64_t set_val,
> + uint64_t expected_val)
> +{
> + igt_output_set_prop_value(output, IGT_CONNECTOR_CONTENT_PROTECTION,
> + set_val);
> + igt_display_commit2(display, s);
> +
> + igt_assert_f(wait_for_prop_value(output, expected_val),
> + "Content Protection did not transition to %ld\n",
> + expected_val);
> +}
> +
> +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;
> +
> + 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);
> +
> + set_prop(display, output, s, 0, 0);
> + set_prop(display, output, s, 1, 2);
> + set_prop(display, output, s, 0, 0);
> +
> + igt_plane_set_fb(primary, NULL);
> + igt_output_set_pipe(output, PIPE_NONE);
Can you also hook up to chamelium to do CRC checks across a CP link?
-Chris
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