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[Why]
Previously we were only calling add_topology when hdcp was being enabled.
Now we call add_topology by default so the ERROR messages are printed if
the firmware is not loaded.
This error message is not relevant for normal display functionality so
no need to print a ERROR message.
[How]
Change DRM_ERROR to DRM_INFO
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[why]
MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION and
MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION were supposed to be
MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE and
MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE. Because of this
it always seems like mod_hdcp_hdcp1_enable_encryption
and mod_hdcp_hdcp2_enable_encryption are always passing
[how]
rename the elements to what they were supposed to be called
Signed-off-by: Joseph Gravenor <joseph.gravenor@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Due to previous code changes, displays transition from active to active
and added state immediately, making it redundant to have both display
states. Previous change to fix this caused HDCP to get into a bad state
when monitor is connected to MST hub, this change fixes that issue.
[How]
Change code behavior so when a device is added successfully the state
remains as active and when addition is unsuccessful change state to
inactive. This removes need for added and active state.
Signed-off-by: Isabel Zhang <isabel.zhang@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
The buffer used when calling psp is a shared buffer. If we have multiple calls
at the same time we can overwrite the buffer.
[How]
Add mutex to guard the shared buffer.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
It is not being used, so remove it
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Change is causing a regression where the OPC app no longer functions
properly.
[How]
Revert the changelist causing the issue.
Signed-off-by: Isabel Zhang <isabel.zhang@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Due to previous code changes displays which are in active state
immediately transition to the active and added state. This makes the two
states redundant and unnecessary.
[How]
Instead of updating the device state to active and added after
successful addition, change state to inactive if addition failed. Also,
change references to active and added state to just added state.
Signed-off-by: Isabel Zhang <isabel.zhang@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Reset connection is called before remove display in mod_hdcp. When
remove display is called, the display structure has been zeroed from
reset connection. Since no displays can be found, remove display does
not properly reset the hardware. This causes validation errors when
another display is plugged into a different port afterwards.
[How]
Moved displays structure out of connections structure. Displays
structure is now directly within mod_hdcp. Displays is no longer zeroed
when reset connection is called.
Signed-off-by: Isabel Zhang <isabel.zhang@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-msg_in is not needed for enabling encryption.
-Use hdcp2_set_encryption instead of hdcp1_enable_encryption for hdcp2.2
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[why]
HDCP DTM needs to be aware of the upto date display topology
information in order to validate hardware consistency.
[how]
update HDCP DTM on update_stream_config call.
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
PSP added a new return code for revoked receivers (SRM). We need to
handle that so we don't retry hdcp
This is already being handled on windows
[How]
Add the enums to psp interface header and handle them.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
We are returning incorrect error code for validate h prime
[How]
Return the right Error code
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
PSP needs session ID to destroy a session, In the case where we fail
create session we don't have a session ID
[How]
Set the session ID before returning
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We are returning SUCCESS when hdcp_status != Success. Fix it.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The msg_id field is being assigned twice. Fix this by replacing the second
assignment with an assignment to msg_size.
Addresses-Coverity: ("Unused value")
Fixes: 11a00965d261 ("drm/amd/display: Add PSP block to verify HDCP2.2 steps")
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp_psp.c: In function mod_hdcp_hdcp2_enable_encryption:
drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp_psp.c:633:77: warning: variable msg_out set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp_psp.c: In function mod_hdcp_hdcp2_enable_dp_stream_encryption:
drivers/gpu/drm/amd/amdgpu/../display/modules/hdcp/hdcp_psp.c:710:77: warning: variable msg_out set but not used [-Wunused-but-set-variable]
It is never used, so remove it.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Before we had a disable_type1 flag, this forced HDCP 2.2 to type0
There was no way to force type1.
[How]
Remove disable_type1 flag and instead add a flag to force type0/1.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
HDCP 2.2 was disabled, we need to enable it
[How]
-Update display topology to support 2.2
-Unset hdcp2.disable in update_config
-Change logic of event_update_property, now we set the property to be
ENABLED for any level of encryption (2.2 or 1.4).
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
We need to log the state changes for 2.2
This patch extends the existing logging functions to handle
HDCP2.2.
[How]
We do this by adding if/else in the defines, and output the log
based on the hdcp version
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
All the HDCP transactions should be verified using PSP
[How]
This patch adds the psp calls we need to verify the steps
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
All the HDCP transactions should be verified using PSP.
[How]
This patch calls psp with the correct inputs to verify the steps
of authentication.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
