When repeater notifies a downstream topology change, this patch
reauthenticate the repeater alone without disabling the hdcp
encryption. If that fails then complete reauthentication is executed.
v2:
Rebased.
v3:
Typo in commit msg is fixed [Uma]
v4:
Rebased as part of patch reordering.
Min
Considering that HDCP2.2 is more secure than HDCP1.4, When a setup
supports HDCP2.2 and HDCP1.4, HDCP2.2 will be enabled.
When HDCP2.2 enabling fails and HDCP1.4 is supported, HDCP1.4 is
enabled.
This change implements a sequence of enabling and disabling of
HDCP2.2 authentication and HDCP2.2 por
From: Tomas Winkler
Export to_mei_cl_device macro, it is needed also in mei client drivers.
Signed-off-by: Tomas Winkler
---
drivers/misc/mei/bus.c | 1 -
include/linux/mei_cl_bus.h | 2 ++
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/
Requests for verification for receiver certification and also the
preparation for next AKE auth message with km.
On Success ME FW validate the HDCP2.2 receivers certificate and do the
revocation check on the receiver ID. AKE_Stored_Km will be prepared if
the receiver is already paired, else AKE_No
On HDMI connector init, intel_hdcp_init is passed with a flag for hdcp2.2
support based on the platform capability.
v2:
Rebased.
v3:
Collected the reviewed-by received.
Signed-off-by: Ramalingam C
Reviewed-by: Uma Shankar
---
drivers/gpu/drm/i915/intel_hdmi.c | 3 ++-
1 file changed, 2 ins
Implements HDCP2.2 authentication for hdcp2.2 receivers, with
following steps:
Authentication and Key exchange (AKE).
Locality Check (LC).
Session Key Exchange(SKE).
DP Errata for stream type configuration for receivers.
At AKE, the HDCP Receiver’s public key certif
Implements the DP adaptation specific HDCP2.2 functions.
These functions perform the DPCD read and write for communicating the
HDCP2.2 auth message back and forth.
v2:
wait for cp_irq is merged with this patch. Rebased.
v3:
wait_queue is used for wait for cp_irq [Chris Wilson]
v4:
Style fix
Enums and macros are defined for HDCP2.2 link check.
Signed-off-by: Ramalingam C
---
include/drm/drm_hdcp.h | 8
1 file changed, 8 insertions(+)
diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h
index d8093ecf3ddc..21a128e7020a 100644
--- a/include/drm/drm_hdcp.h
+++ b/inclu
ME FW is contributes a vital role in HDCP2.2 authentication.
HDCP2.2 driver needs to communicate to ME FW for each step of the
HDCP2.2 authentication.
ME FW prepare and HDCP2.2 authentication parameters and encrypt them
as per spec. With such parameter Driver prepares HDCP2.2 auth messages
and co
On DP connector init, intel_hdcp_init is passed with a flag for hdcp2.2
support based on the platform capability.
v2:
Rebased.
v3:
Collected the reviewed-by received.
Signed-off-by: Ramalingam C
Reviewed-by: Uma Shankar
---
drivers/gpu/drm/i915/intel_dp.c | 2 +-
1 file changed, 1 insertio
Request ME FW to start the HDCP2.2 session for an intel port.
Prepares payloads for command WIRED_INITIATE_HDCP2_SESSION and sends
to ME FW.
On Success, ME FW will start a HDCP2.2 session for the port and
provides the content for HDCP2.2 AKE_Init message.
v2: Rebased.
v3:
cldev is add as a sepa
Implement the required WA sequence for KBL to fix the
incorrect positioning of the window of oppurtunity and enc_en
signalling.
Signed-off-by: Ramalingam C
---
drivers/gpu/drm/i915/intel_hdcp.c | 29 +
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/i91
Request to ME to verify the LPrime received from HDCP sink.
On Success, ME FW will verify the received Lprime by calculating and
comparing with L.
This represents the completion of Locality Check.
v2: Rebased.
v3:
cldev is passed as first parameter [Tomas]
Redundant comments and cast are rem
Request ME to verify the downstream topology information received.
ME FW will validate the Repeaters receiver id list and
downstream topology.
On Success ME FW will provide the Least Significant
128bits of VPrime, which forms the repeater ack.
v2: Rebased.
v3:
cldev is passed as first paramete
Commits the content protection change of a connector,
without crtc modeset. This improves the user experience.
Originally proposed by Sean Paul at v3 of HDCP1.4 framework
https://patchwork.freedesktop.org/patch/191759/. For some
reason this was dropped, but needed for the proper functionality
of H
Request to ME to configure a port as authenticated.
On Success, ME FW will mark the port as authenticated and provides
HDCP cipher with the encryption keys.
Enabling the Authentication can be requested once all stages of
HDCP2.2 authentication is completed by interacting with ME FW.
Only after t
Requests ME to start the second stage of HDCP2.2 authentication,
called Locality Check.
On Success, ME FW will provide LC_Init message to send to hdcp sink.
v2: Rebased.
v3:
cldev is passed as first parameter [Tomas]
Redundant comments and cast are removed [Tomas]
v4:
%zd used for ssize_t [
FOR TESTING PURPOSE ONLY.
By default INTEL_MEI_HDCP is set to y. This patch is created to
test the interface between I915 and MEI_HDCP.
Signed-off-by: Ramalingam C
---
drivers/misc/mei/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/mei/Kconfig b/drivers/misc/mei/Kconfi
Request to ME to verify the M_Prime received from the HDCP sink.
ME FW will calculate the M and compare with M_prime received
as part of RepeaterAuth_Stream_Ready, which is HDCP2.2 protocol msg.
On successful completion of this stage, downstream propagation of
the stream management info is comple
Mei hdcp driver is designed as component slave for the I915 component
master.
v2: Rebased.
v3:
Notifier chain is adopted for cldev state update [Tomas]
v4:
Made static dummy functions as inline in mei_hdcp.h
API for polling client device status
IS_ENABLED used in header, for config status
Provides Pairing info to ME to store.
Pairing is a process to fast track the subsequent authentication
with the same HDCP sink.
On Success, received HDCP pairing info is stored in non-volatile
memory of ME.
v2: Rebased.
v3:
cldev is passed as first parameter [Tomas]
Redundant comments and ca
Request to ME to prepare the encrypted session key.
On Success, ME provides Encrypted session key. Function populates
the HDCP2.2 authentication msg SKE_Send_Eks.
v2: Rebased.
v3:
cldev is passed as first parameter [Tomas]
Redundant comments and cast are removed [Tomas]
v4:
%zd for ssize_t
Request the ME to terminate the HDCP2.2 session for a port.
On Success, ME FW will mark the intel port as Deauthenticated and
terminate the wired HDCP2.2 Tx session started due to the cmd
WIRED_INITIATE_HDCP2_SESSION.
v2: Rebased.
v3:
cldev is passed as first parameter [Tomas]
Redundant comme
Requests for the verification of AKE_Send_H_prime.
ME will calculate the H and comparing it with received H_Prime.
The result will be returned as status.
Here AKE_Send_H_prime is a HDCP2.2 Authentication msg.
v2: Rebased.
v3:
cldev is passed as first parameter [Tomas]
Redundant comments and
Just excluding the LSPCon HDMI ports from the HDCP1.4 testing.
Signed-off-by: Ramalingam C
---
drivers/gpu/drm/i915/i915_debugfs.c | 10 --
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
b/drivers/gpu/drm/i915/i915_debugfs.c
index 40a61
== Series Details ==
Series: drm/i915: Implement HDCP2.2 (rev11)
URL : https://patchwork.freedesktop.org/series/38254/
State : warning
== Summary ==
$ dim checkpatch origin/drm-tip
bcb5b8686be3 drm/i915: Gathering the HDCP1.4 routines together
83df45d26858 drm: header for i915 - MEI_HDCP inter
== Series Details ==
Series: drm/i915: Implement HDCP2.2 (rev11)
URL : https://patchwork.freedesktop.org/series/38254/
State : warning
== Summary ==
$ dim sparse origin/drm-tip
Sparse version: v0.5.2
Commit: drm/i915: Gathering the HDCP1.4 routines together
Okay!
Commit: drm: header for i915
== Series Details ==
Series: drm/i915: Implement HDCP2.2 (rev11)
URL : https://patchwork.freedesktop.org/series/38254/
State : failure
== Summary ==
CI Bug Log - changes from CI_DRM_5310 -> Patchwork_11081
Summary
---
**FAILURE**
On Wed, Dec 12, 2018 at 04:32:02PM -0800, Dhinakaran Pandiyan wrote:
> On Tue, 2018-11-20 at 18:13 +0200, Ville Syrjala wrote:
> > From: Ville Syrjälä
> >
> > Fill out the AVI infoframe quantization range bits using
> > drm_hdmi_avi_infoframe_quant_range() for SDVO HDMI encoder as well.
> >
> >
在 2018/12/12 20:24, Daniel Vetter 写道:
> On Wed, Dec 12, 2018 at 12:40 PM Zhou, David(ChunMing)
> wrote:
>> + Daniel Rakos and Jason Ekstrand.
>>
>> Below is the background, which is from Daniel R should be able to explain
>> that's why:
>> " ISVs, especially those coming from D3D12, are unsat
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