Add support to pass extended capability information to the DPCD
debugfs node. This will help to validate features like VSC support
using debugfs node.
Usage will be the same as before and the change will automatically
detect the presence of extended capability field and expect
additional bytes of information.
Change-Id: If541fd8837aac4794c3db0fa3badeab4143ff9c3
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Adding prefixes for error, debug and info
messages in dp files. To enable debug logs
run "echo 0x100 > /sys/module/drm/parameters/debug"
CRs-Fixed: 2493739
Change-Id: Ibf509e837f527be6bff6b7a1c34b0cde2921b388
Signed-off-by: Satya Rama Aditya Pinapala <psraditya30@codeaurora.org>
Break the host initialization and de-initialization to
create late initialization and early de-initialization.
Call host init/deinit on physical connect/disconnect only
As attention messages from sink doesn't change the physical
cable configurations, call only late init/early deinit in
this case to avoid unnecessary hardware resources
re-initialization.
CRs-Fixed: 2490128
Change-Id: Ib930d250724ab3ea811a7388c7ad0aeae1164e21
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
Update the PLL and PHY power on and clock set sequence as per
the hardware recommendations. Move the post link clock phy enable
part to the catalog so that it can be programmed after enabling
link clock.
Change-Id: I9b3b49e5a9ac93bebcb1cb7da63b715a8d5ed85c
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
Reset the dp sink power state during panel init.
Sinks may still be in old power states from
previous sessions, so reset the power to allow
for a clean start to the dp session.
CRs-Fixed: 2453351
Change-Id: I7e2a4c9bcdb8f69d2562ba098d80a1c7e8f9f620
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>
Update the connected state to false during display clean up. This
will allow subsequent connections to be processed correctly in
the face of disconnect failures due to unresponsive user mode
clients.
Change-Id: If30f5d722bf742060c9d4d2dec2207d7baf27fc2
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
Add a new state to indicate timeout failures in simulation mode.
This can be used by test scripts to trigger a retry of the
session.
Change-Id: I9e250ba7d42fcb318698d8456b3acc5b55081abc
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
Disable audio for every active panel during display clean
up use cases when the driver times out waiting for the
video path to tear down. This ensures that the audio
subsystem is notified before the clean up shuts down the
timing engine, and also ensures that the audio module
state is correctly updated to indicate that the session
has ended. This change will reduce the likelihood of the
audio subsystem attempting to program DP audio, and also
ensure that the state checks will correctly prevent any
attempts to program audio after the session has ended.
Change-Id: I937f894e80b55164f9700f021d852863aeb18959
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
Not considering the currently available sde resources and
caps while filtering/validating a mode will report unavailable
modes and result in an atomic commit failure.
DP should calculate the number of required lms and verify
if lms/3dmux are available before a validating a mode.
Change-Id: Idadcc655c30f5a831c47cf22b60085052b5b9fcd
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>
Create a data structure to maintain available hardware resources
and track capabilities. This data structure is used to send
the current available resources and caps information to
connector ops get_mode_info, get_modes and validate_mode to
process the display mode.
Change-Id: If38fc628ee5ab4729821f88c0050ab45375187b8
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>
Skip the wait on audio subsystem response in case of external display
connect event.
Change-Id: Id7a0ac48f540f025293717e60c28967b83ad46ee
Signed-off-by: Zube Molokwu <zmolokwu@codeaurora.org>
Add a check to ensure that audio registers are programmed only
when the DP timing engine (audio session) is enabled. This will
reduce the likelihood of un-clocked register access for audio
related operations.
Change-Id: I6fe59cf53dc721b5470ad4cf7d84e8606800a246
CRs-Fixed: 2465406
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
The dp sink explicitly states the numbers of
slices it can support. When calculating the
number of slices for dsc configuration, ensure
that the sink supports the calculated number of
slices.
If the sink does not support the calculated
number of slices, keep rechecking sink support
for the subsequent slice increment, until we
reach the highest number of slices possible
according to the dp spec. If no compatible
sink slice support is found, do not enable dsc.
CRs-Fixed: 2325207
Change-Id: I485adacd258963cdec9cc52aa041373883ecadc7
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>
Add configuration data to handle 10bpp 3:1
compression ratio based on hardware recommended
settings.
CRs-Fixed: 2325207
Change-Id: I7086dc235e0063a79c661fa8cee77d4e47e9c826
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>
Ensure that the dp dsc peak pxl rate does not
exceed the maximum supported by the sink device.
If the mode's peak pxl rate per slice exceeds the
max, mark the mode as invalid.
CRs-Fixed: 2325207
Change-Id: Ic8904c759b8621c3aff258206599e1994f70e26e
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>
The line buffer bit depth is used as part of dp
dsc calculations. Read the max supported line buf
bit depth supported by sink, and use that
restriction as part of the dsc calculations.
CRs-Fixed: 2325207
Change-Id: I4c995acad5f484edd1b438bdbf6c145b2d35ee41
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>
Force a disconnect if the simulation client disables simulation
before disconnecting from the simulated sink. This ensures that
the driver will not erroneously attempt AUX transactions in
subsequent interactions after simulation is disabled.
Change-Id: Ibc581deafe46753c514bccc70ba5c953c8d49bd8
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>
Report the HDR10+ sink capability and payload data when user-space
reads the "hdr" debugfs node. Also add support for reporting HDR
properties for MST sessions via the new "hdr_mst" debugfs node.
Write support for this node was removed since it updated the
connector state in an inconsistent way, therefore HDR updates must
come from the atomic commit.
Change-Id: I58af4042c1b3198eb78fe413728104071cf50caf
Signed-off-by: Steve Cohen <cohens@codeaurora.org>
Improve dp mst simulator mode by adding support
for up to 8 connectors, the ability to add and
remove ports dynamically, and allowing for
different EDIDs for each connector.
CRs-Fixed: 2459530
Change-Id: I945e3292a7e5150ab7a6bbe0addc4f4f46d58e82
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>
Add support for new requirements in 1.4a CTS which need
to try link training 1 on different lane counts and link
rates.
CRs-Fixed: 2458753
Change-Id: I2039822f420a73232df7293afcddd7bee263c7b4
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
Update the link training process along with the AUX
communications during link training as per hardware
recommendations.
Update the pre-emphasis and swing values for active
lanes only instead of all lanes.
During link training, update pre-emphasis and swing
values in hardware first and then update sink.
CRs-Fixed: 2458753
Change-Id: Ie05c9d6508b0c564b194032ae4ebb1bc5550e7b8
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
Add support for lane count reduction as per the new requirements
for DP 1.4a during link training 2.
CRs-Fixed: 2458753
Change-Id: I58c9b6101338e8a1d1b4e3dec80f8fdf2a25ae5b
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
Update the DP controller and PHY programming according to
the new hardware recommendations.
CRs-Fixed: 2458753
Change-Id: I1bce5915ba6ebbb250cc5c4aac907b0b287eece7
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
This snapshot ports changes from 4.14 to 4.19 into
the msm and sde layer. Snapshot was taken as of
commit 0f8fb25421ff ("cnss2: Add device version to
SOC info structure").
Change-Id: I59b799a78319c2db6930a2a10bc38976f8c09898
Signed-off-by: Samantha Tran <samtran@codeaurora.org>
Perform mst phy operations during suspend/resume
to allow sinks to be in a correct state. A usbpd
api must also be called before and after the phy
operations to allow the system to go into deep
suspend and resume in a timely manner.
CRs-Fixed: 2363921
Change-Id: Ie21ef9b1caf2044e598466373a6059d2a1e5e58c
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>
Add extra sleep between SST and MST mode if MSTM_CTRL is not cleared
at hpd to make sure dongle exit from previous MST state.
CRs-Fixed: 2411911
Change-Id: I5b1785c71a91df95167bf5083e9d752a275872a8
Signed-off-by: Xiaowen Wu <wxiaowen@codeaurora.org>
Signed-off-by: Fuad Hossain <fhossain@codeaurora.org>
Use the EXTENDED_RECEIVER_CAPABILITY DPCD register fields,
if present, for enabling HBR3 link rate on supported targets.
CRs-Fixed: 2438457
Change-Id: I505d998f31f79162dc290fc47fd9fbba51527982
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
Add a release operation to free the mst port object when
the object refcount becomes zero.
Change-Id: If628e6da7ccf90d334574ed0f627788fb0a1fa2f
Signed-off-by: Samantha Tran <samtran@codeaurora.org>
The DP HDCP layer fails to wait on and clear its internal thread
upon an HDCP stop or failure. This can result in use after free
failures if a read or write over aux channel operation is already
queued.
Update the DP HDCP layer to stop and wait on kthread completion
upon HDCP failures, and clear the kthread command queue before
resuming kthread execution. Additionally, ensure the SDE HDCP
worker thread correctly starts and stops execution upon HDCP
enablement and disablement respectively.
Change-Id: I4218d7935f89416b5e5d74afd8f5d22e031b9a38
Signed-off-by: Christopher Braga <cbraga@codeaurora.org>
