4.1. Release notes - 09_01_00

4.1.1. Documentation

The documentation included with the PSDK QNX J784S4 is specific to the PSDK QNX J784S4 package.

PSDK RTOS J784S4 package documentation (PSDK RTOS Components) must also be referenced, for full understanding of PSDK QNX J784S4 support.

4.1.2. PSDK QNX J784S4 Features


Reference PSDK RTOS J784S4 package documentation (LINK) for an extensive list of new and current features supported by PSDK QNX + PSDK RTOS. This section lists only the features that are PSDK QNX J784S4 specific.


For features & drivers enabled by the QNX BSP, please refer to BSP Documentation or contact QNX.


The release is tested on Ubuntu (x86_64) 18.04 & 22.04 system and may not work on earlier or later Ubuntu systems. Enabled in this Release

Features enabled in this release, specific to PSDK QNX J784S4 addon package are:

  • The release package now has version controlled with git with a single release commit to enable convenient patching

  • Added Lossless encoding support for the VPU encoder

  • Updated shared memory allocator allocations for VisionApps carveout

  • CPSW updates - Note: Please use the PSDK RTOS release 09_01_00

    • Removed dependency on remote device.

  • UDMA updates

    • UDMA driver refactor to enable concurrent access of udma resources

    • Added test capability to support larger memcpy for UDMA

  • Bug Fixes

  • IPC driver returns incorrect return code during a timeout

  • Remove dependency on bootloader to set the MMCSD clocks

  • Added support to allocate UDMA proxy per process

For additional new updates, please refer PSDK RTOS package documentation (PSDK RTOS Components). Enabled in Previous Releases

Features enabled in previous release, specific to PSDK QNX J784S4 addon package are:

  • Support for QNX SDP 7.1

  • Shared Memory Allocator Resource Manager

  • SCIClient Resource Manager

  • A72 OpenVx Integration

  • A72 Vision Apps Demo Support

  • UDMA Resource Manager

  • IPC Resource Manager

  • K3conf utility

  • SBL Boot flow support for QNX

  • DDR BW analysis tool

  • Datasheet added for IPC and io-pkt cpsw ethernet drivers

  • Support and validation with the PSDK RTOS release

  • PDK library build updated from using PDK makefile system to QNX makefile

  • Update to build system to use QCONF_OVERRIDE and support for .sym file

  • Debug build profile deprecate from the PSDK QNX build system

  • Datasheet added for VPU Codec

  • IO-PKT CPSW2G Driver

    • A72 driver for CPSW2G

    • Support for gPTP

    • Use of enet-lld

    • SMMU support

    • HW-checksum offloading

  • IO-PKT CPSW9G Virtual Driver

    • A72 driver for CPSW9G

    • Use of enet-lld

    • Time sync with EthFW support added to CPSW9G Virtual driver

    • HW-checksum offloading

    • Single core multicast support

    • Support for dynamic IP and MAC configuration

  • VPU video codec updates

    • Resource manager support for VPU video encoder

    • Resource manager support for VPU video decoder

    • Multicore codec support.

    • Codec IO-buffer and Internal buffer management using SharedMemoryAllocator.

    • Supports usage of DDR high-mem (>4G range). Default base address is “0x8 C000 0000” with a total of 768MB.

  • OMX IL Component support for VPU video encoder and File-based OMX encoder test application (H.264 & HEVC)

    • Supports logging at different levels

    • Supports a multi-threaded implementation

    • Encoder multichannel support upto 8x1080p streams

    • Encoder supports performance upto 1x1080p at 60fps and 2x1080p at 30fps

  • OMX IL Component support for VPU video decoder and File-based OMX decoder test application (H.264 & HEVC)

    • Supports zero-copy buffer passing between application and codec

    • Supports I, P and B frame decoding

    • Supports decode of stream headers in advance

    • Supports logging at different levels

    • Supports a multi-threaded implementation

    • HW Watchdog for Decoder

    • Decoder to recovery from SW stream errors

    • Decoder supports deblocking filter

  • VPU codec (encoder and decoder) with test app

    • HEVC & H.264 4K Encode support with file-to-file encode test app

    • HEVC & H.264 4K Decode support with file-to-file decode test app

    • Multi-instance HEVC/H.264 Encode & Decode support with multi-inst test app

  • OMX IL Component support for VPU video encode & decode (H.264 & HEVC)

    • Decode/Encode: Support for 2x HW VPU instances for Video Encode / Decode

    • Decode/Encode: Supports Interrupt mode for VPU codec

    • Decode/Encode: Supports 8 channel D1@30fps Encode + 8 channel D1@30fps Decode

    • Encode: Supports Rate control - VBR and CBR

    • Encode: Supports CBR (e.g., for Video Conferencing), 2-10 Mbps

    • Decode: Performance profiler added for VPU decode

    • Decode: Publish Codec Capabilities through API

  • Bug fixes

    • Sciclient random ACK failure fixed.

    • UDMA Resource Manager fixed the duplicate UDMA flow-id allocation

    • Running iperf with parallel instance of cpsw2g and cpsw9g

    • The ipc_test failing to ping ipc echo testb DM image

    • The tiudma-mgr cannot be restarted after being slayed

    • The udma_memcpy_test hangs forever in case of failure

    • CPSW2G direct ethernet cable connection

    • Decode: Fixed junk frames at the end for streams greater than 1080p

    • Decode/Encode: Multi-instance decode/encode failure fixed

    • Decode: OMX decoder fails to decode H.264 Level5 bitstreams of long play length

    • Decode: VPU fails to decode high-bitrate (>100 Mbps) 4K resolution videos

    • Decode: OMX decoder fails to decode 2x 4K HEVC/H264 bitstreams due to out-of-memory

    • Decode: OMX decode application does not check for num input bufs being exactly 2

    • Decode: OMX decode of 4x H.264 1080p bitstreams produces incorrect output frames

For additional new updates, please refer PSDK RTOS package documentation (PSDK RTOS Components). Change Requests

None Errata

Please refer release note in the PSDK RTOS J784S4 package documentation (PSDK RTOS Components) for the complete errata list. Hardware support


Refer to Release Notes in PSDK RTOS User Guide(LINK) for detailed information on supported Hardware.

4.1.3. Software Dependencies QNX Dependency


The PSDK QNX addon package is dependent on installations from QNX Software Center. The below QNX packages were used for PSDK QNX 09_01_00 build and verification. QNX SDP 7.1

QNX SDP 710 Package

Build ID

Package ID

Package Version

QNX® Software Development Platform 7.1



QNX® SDP 7.1 Screen Board Support J784S4 (with Debug Symbols)



QNX® SDP7.1 BSP for Texas Instruments Jacinto 7 J784S4 Evaluation Modules



QNX® SDP 7.1 Multimedia - OpenMAX IL API (with Debug Symbols)


com.qnx.qnx710.target.mm.openmaxil.core PSDK RTOS Dependency

The PSDK QNX package is an addon package to the PSDK RTOS release, as such the PSDK RTOS is required. PSDK LINUX Dependency

If SPL boot mode is to be supported, downloading the PSDK LINUX 09_01_00 package is recommended for access to the pre-built binaries.

4.1.4. Device Support and Validation Information


Build Host (OS)

Run Target (OS)

Test Platform


x86_64 (Linux Ubuntu 18.04)

R5F & C7x running TI-RTOS

A72 running QNX

TI EVM with daughter cards


Refer EVM Setup for J784S4 for more details on the TI EVM support.

4.1.5. Open Defects

Below table lists all the open defects:


Head Line


VPU: QNX Encoder Performance - 4x 1080p60 not met. At 47fps now


VPU: OMX video decode should exit gracefully when trying to decode a bad video file


VPU: OMX decoder fails to decode H.264 mixed resolution 1080p/720p video


QNX: J721S2 & J784S4 IPC round trip time is greater than expected range


Virtual client: io-pkt: Fix memory leak during CPSW recovery

4.1.6. Known Issues

A list of key known issues with the PSDK QNX release is provided below.


Refer to individual PSDK RTOS Components release notes for known issues in each component






RPMessage_recv() can fail during combinatorial stress run



UDMA resource manager may not free UDMA resources when client exits unexpectedly.



CPSW recovery functionality is not functional as of the early release.

4.1.7. Additional Reports

For additional reports like test report, traceability refer PSDK RTOS Additional Reports