4.1. Release notes - 09_02_00

4.1.1. Documentation

The documentation included with the PSDK QNX J721S2 is specific to the PSDK QNX J721S2 package.

PSDK RTOS J721S2 package documentation (PSDK RTOS Components) must also be referenced, for full understanding of PSDK QNX J721S2 support.

4.1.2. PSDK QNX J721S2 Features


Reference PSDK RTOS J721S2 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 J721S2 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 J721S2 addon package are:

  • Configurable GOP Preset support. Can configure combinations of I and P frames

  • Datasheet:
    • Empirical values for internal and external buffers used for Codec published.

    • Various encode and decode fps rates published.

  • Decoder support for YUV 4:20 and YUV 4:2:2 output formats.

Bug Fixes:

  • MCU-CPSW non-functional when using SBL bootloader

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 J721S2 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

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

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

  • IO-PKT CPSW2G Driver

    • A72 driver for CPSW2G

    • Support for gPTP

    • Use of enet-lld

    • SMMU support

    • HW-checksum offloading

  • VPU video codec

    • Added Lossless encoding support for the VPU encoder

    • Updated shared memory allocator allocations for VisionApps carveout

    • Resource manager support for VPU video encoder

    • Resource manager support for VPU video decoder

    • 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

  • Bug fixes

    • UDMA driver refactor to enable concurrent access of udma resources

    • Added test capability to support larger memcpy for UDMA

    • 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

    • 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

    • Added qnxfs partition for SD card boot to address boot time delay

    • Sciclient random ACK failure fixed.

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

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

The following Change requests have been made for this release.

  • Move VPU features to PSDK QNX 10.0

    • Non-fatal error codes.

    • QNX Encoder: shall support user settings that allow shifting block size weightings between 4x4, 8x8, and 16x16 sizes

    • QNX7.1 Decoder : Spatial and Temporal Error Concealment

    • QNX7.1 Codec to recover from hardware lockup

    • QNX7.1 Decoder : Configurability for setting number of frame buffers for decode and display separately

    • PSDK QNX Safety Features timelines moved from PSDK 9.2 to a future release. Errata

Please refer release note in the PSDK RTOS J721S2 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_02_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® SDP7.1 BSP for Texas Instruments Jacinto 7 J721S2 (tda4vmeco) Evaluation Modules



QNX® SDP 7.1 Screen Board Support J721S2 (with Debug Symbols)



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_02_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)

R5Fs running TI-RTOS

A72 running QNX

TI EVM with daughter cards


Refer EVM Setup for J721S2 for more details on the TI EVM support.

4.1.5. Open Defects

Below table lists all the open defects:


Head Line


CPSW5G/9G: Destroying interface freezes prompt


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


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

4.1.6. Closed Issues

Below table lists all the open defects:


Head Line


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

4.1.7. 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.


Main domain CPSW2G

Main domain CPSW2G RX not working with GESI board

4.1.8. Additional Reports

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