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authorSean Paul <seanpaul@chromium.org>2020-08-19 10:31:24 -0400
committerRamalingam C <ramalingam.c@intel.com>2020-09-01 13:02:33 +0530
commite38c298fcd19149d337f91640f037a9265bd8c3f (patch)
tree33fed59704d95e6d2fb49e9e7c3321d3c27d3f33 /drivers/gpu/drm/selftests
parent038bac8970ac1c9815eba2914c4cff2b7807ab09 (diff)
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.c17
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;
}