SPRAD00 December   2021 DRA821U-Q1 , DRA829J , DRA829J-Q1 , DRA829V , DRA829V-Q1 , TDA4VM

 

  1.   Trademarks
  2. 1Introduction
  3. 2Jacinto 7 Display Subsystem Overview
    1. 2.1 Video (Input) Pipelines
    2. 2.2 Writeback Pipeline
    3. 2.3 Overlay Manager
    4. 2.4 Output Processing
    5. 2.5 Output Display Interfaces
      1. 2.5.1 Embedded Display Port (eDP)
      2. 2.5.2 MIPI Display Serial Interface (DSI)
      3. 2.5.3 Display Parallel Interface (DPI)
    6. 2.6 Safety Support
  4. 3Display Subsystem Use-case Examples
    1. 3.1 3-Display Configuration
  5. 4TDA4VM/DRA829V Hardware Display Support
  6. 5 Display Subsystem Software Architecture
    1. 5.1 Linux DSS Architecture
    2. 5.2 QNX Software Architecture
    3. 5.3 RTOS-Based DSS Support
  7. 6References

2 Jacinto 7 Display Subsystem Overview

The DSS is a flexible composition-enabled display subsystem, that supports multiple high resolution display outputs. The DSS supports a multi-layer blending and transparency for each of its display outputs. The DSS block diagram is shown in Figure 2-1.

Figure 2-1 TDA4 / DRA829V Display Subsystem Architecture

The DSS is divided into blocks that are connected internally and high-level features that are summarized in the next sections.
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