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| author |   Sean Paul <seanpaul@chromium.org> | 2020-08-19 10:31:24 -0400 |
|---|---|---|
| committer |   Ramalingam C <ramalingam.c@intel.com> | 2020-09-01 13:02:33 +0530 |
| commit | e38c298fcd19149d337f91640f037a9265bd8c3f (patch) | |
| tree | 33fed59704d95e6d2fb49e9e7c3321d3c27d3f33 /drivers/gpu/drm/selftests | |
| parent | drm/i915: Add connector to hdcp_shim->check_link() (diff) | |
| download | linux-dev-e38c298fcd19149d337f91640f037a9265bd8c3f.tar.xz linux-dev-e38c298fcd19149d337f91640f037a9265bd8c3f.zip | |
drm/mst: Add support for QUERY_STREAM_ENCRYPTION_STATUS MST sideband message
Used to query whether an MST stream is encrypted or not.
Cc: Lyude Paul <lyude@redhat.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200218220242.107265-14-sean@poorly.run #v4
Link: https://patchwork.freedesktop.org/patch/msgid/20200305201236.152307-15-sean@poorly.run #v5
Link: https://patchwork.freedesktop.org/patch/msgid/20200429195502.39919-15-sean@poorly.run #v6
Link: https://patchwork.freedesktop.org/patch/msgid/20200623155907.22961-16-sean@poorly.run #v7
Link: https://patchwork.freedesktop.org/patch/msgid/20200818153910.27894-16-sean@poorly.run #v8
Changes in v4:
-Added to the set
Changes in v5:
-None
Changes in v6:
-Use FIELD_PREP to generate request buffer bitfields (Lyude)
-Add mst selftest and dump/decode_sideband_req for QSES (Lyude)
Changes in v7:
-None
Changes in v8:
-Reverse the parsing on the hdcp_*x_device_present bits and leave
breadcrumb in case this is incorrect (Anshuman)
Changes in v8.5:
-s/DRM_DEBUG_KMS/drm_dbg_kms/ (Lyude)
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200819143133.46232-1-sean@poorly.run
Diffstat (limited to 'drivers/gpu/drm/selftests')
| -rw-r--r-- | drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c b/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c index bd990d178765..1d696ec001cf 100644 --- a/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c +++ b/drivers/gpu/drm/selftests/test-drm_dp_mst_helper.c @@ -5,6 +5,8 @@ #define PREFIX_STR "[drm_dp_mst_helper]" +#include <linux/random.h> + #include <drm/drm_dp_mst_helper.h> #include <drm/drm_print.h> @@ -237,6 +239,21 @@ int igt_dp_mst_sideband_msg_req_decode(void *unused) in.u.i2c_write.bytes = data; DO_TEST(); + in.req_type = DP_QUERY_STREAM_ENC_STATUS; + in.u.enc_status.stream_id = 1; + DO_TEST(); + get_random_bytes(in.u.enc_status.client_id, + sizeof(in.u.enc_status.client_id)); + DO_TEST(); + in.u.enc_status.stream_event = 3; + DO_TEST(); + in.u.enc_status.valid_stream_event = 0; + DO_TEST(); + in.u.enc_status.stream_behavior = 3; + DO_TEST(); + in.u.enc_status.valid_stream_behavior = 1; + DO_TEST(); + #undef DO_TEST return 0; } |