Display Driver Open Source Plan
From OMAPpedia
Early availability feature tree : kernel-display
Following features/patchsets were merged in 2.6.39
- Hwmod conversion of DSS2 - OMAP2/3
- Hwmod conversion of DSS2 - OMAP4
- Making DSS clock names common across all platforms
- Internal-clock-framework (calculation clock dividors for pixel clock for DSI1)
- Using hwmod opt-clocks for DSS
- Setting TAAL panel timings via bootargs
- Basic HDMI support (no HPD, Deep color, EDID)
- DVI support for Panda
Upcoming features/patchsets
| Feature | Content | Targeted kernel.org Release | Status / Dependencies | Owner |
| PM (OMAP2/3/4) | pm_runtime support | 2.6.40 -> 3.1 | Patches for DSS are ready (v2 posted on lo). However there is a dependency on DSS related hwmod patches are still under work by Benoit. | Tomi |
| OMAP4 new feature | Pico DLP | 2.6.40 -> 3.1 | Patches are mostly ready. One bug in reset or shutdown sequence of the pico DLP chip. | Mayuresh, Tomi, Mythri. |
| OMAP4 new feature | DSI OMAP4 support for DSI1 and DSI2 - command mode | 3.0 (DSS related changes) | OMAP DSS related changes were merged for 3.0, but the board-file related changes weren't accepted upstream, and need some consolidation changes. Tomi has some consolidation patches and will send them for review. | Archit, Tomi. |
| OMAP4 new feature | DSI low power feature (ULPS) | 3.0 | Merged | Tomi |
| OMAP4 new feature | HDMI rework for supporting multiple SOCs - OMAP4, Netra, OMAP5 | 3.1 | Under review on community lists | Mythri |
| OMAP4 new feature | HDMI advanced features (HPD, Extended-EDID) | 3.1 | - | Mythri |
| OMAP4 new feature | video pipeline changes (video3, zorder) | 2.6.40 -> 3.2 | Posted on LO. | Archit |
| OMAP4 new feature | NV 12 support in DSS driver | 3.0 | Merged. (Changes to add new DMA base address for new color mode) | Amber |
| OMAP4 new feature | V4L2: multi-planar support for NV12 | 3.1 | Under internal review. | Amber |
| OMAP4 new feature | Setting scaling coefficients specific to OMAP4 | 2.6.40 | - | Amber |
| OMAP4 new feature | V4L2: Any changes required to use videobuf2 | - | Plan cancelled. | Amber |
| OMAP4 new feature | Interlace-support | ? | - | Amber |
| OMAP4 new feature | Pre-decimation | ? | - | Amber |
| OMAP4 new feature | Write-back support | 3.2 / July-Aug timeframe | Design reviewed internally. | Amber |
| OMAP4 new feature | Color Phase Rotation | 3.1 | - | Tomi |
