DM6467 VDCE Optimization Presentation
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Contents |
Agenda
- VDCE Optimizations in the Driver
- Parallelized EDMA for Luma Transfer
- Stage Swapping
- only Chroma Handling for intermediate buffer
- Selecting Blending
CCV
422 Resize
Blending
Performance Enhancement
| Mode | Initial Figure | Latest Figure | Method |
|---|---|---|---|
| 422 Resize (1920x 1080 to 720x 480) | ~60ms | ~20ms | 1. Stage Swap 2. Only Chroma Handling for Intermediate Buffer 3. PRCS = 256 |
| 422-> 420 CCV (1920 x 1080) | ~33ms | ~18ms | 1. Parallelized EDMA for Luma 2. PRCS = 256 |
| 420-> 422 CCV (1920 x 1080) | ~29ms | ~13ms | 1. Parallelized EDMA for Luma 2. PRCS = 256 |
| Blending (1920 x 1080 image) | ~62ms | ~4ms for 120x60 bitmap | 1. Selective Blending 2. Only Chroma Handling for Intermediate Buffer 3. PRCS = 256 |
Streaming recording of above presentation
* [[1][Linux LSP - VDCE Optimizations]]
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