VHWA Introduction
Contents
- Introduction
- Licensing
- Documentation
- What's New
- Fixed Issues
- Known Issues
- Technical Support
- Package Versioning
- Trainings
Introduction
The Vision Hardware Accelerator (VHWA) provides the logic to interface for MSC, NF, LDC, VISS, DOF and SDE accelerators. This is VHWA FVID2 driver documentation.
Licensing
Refer to VHWA manifest [HTML].
Documentation
VHWA Static Analysis Report | Static Analysis Report | [XLSX] |
VHWA Driver API Guide | API Guide | [HTML] |
VHWA Performance Statistics | Performance Statistics | [HTML] |
VHWA Test Report | Test Report | [Folder] |
What's New
Here is a list of the new feature(s) supported in this release:
- Error Trace for VHWA drivers is enabled for J721e, J784s4, J721s2.
Fixed Issues
ID | Summary |
---|---|
PDK-12610 | [VHWA]: Enabled Error Trace for VHWA drivers |
- | [VHWA-VISS]: CAC initialisation in VHWA low level drivers for VPAC3/3L. |
PDK-12671 | [VHWA-LDC]: Error interrupts are protected against out of order interrupts |
PDK-13305 | [VHWA] Fix for incorrect error return in the Udma_PopRing API of all Vhwa drivers |
PDK-13396 | [DMPAC]: Timeout mechanism in removing element from output queue |
- | [VHWA]: Pipeline stall issue when multiple handles of VISS are invoked along with LDC on AM62A |
- | [VHWA-VISS]: PCID initialised correclty. |
Known Issues
ID | Summary |
---|---|
PDK-12683 | Chroma only output is not correct from Human Vision Pipeline |
PDK-12681 | Incorrect access of luma and chroma channel in luma only and chroma only mode causes corruption |
PDK-13230 | Edge-enhancement mode not supported for HV-MV dual pipeline. |
PDK-13229 | CAC input for MV is not enabled in VHWA |
PDK-13247 | AEWB output incorrect for VISS for Three Frame Merge with two YUV420, saturation and AEWB output |
PDK-12860 | [VHWA-VISS]: Error check missing while setting VISS module specific configuration |
Technical Support
For technical support and additional assistance, contact E2E Forum
Package Versioning
Each package version is composed of 4 period-delimited numbers - represented here by the letters M, m, p and b [M.m.p.b]
. The table below provides a descriptive reference regarding package version numbering.
Digit | Meaning | Description |
---|---|---|
1 (M=Major) | Major revision | Incremented when the new version is substantially different from the previous For example, a new module added or an existing module's algorithm significantly altered. |
2 (m=minor) | Minor revision | Incremented when the new version has changed but not in a major way. For example, some minor changes in the API or feature set. |
3 (p=patch) | Patch number | Incremented for all other source code changes. This include any packaging support code. |
4 (b=build) | Build number | Incremented for each release delivery to CM. Reset for any change to M, m or p |
Trainings
VHWA Overview | VHWA Modules and SW Overview | [PPTX] |
[PDF] |
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