Question : How to config 2 lanes DSI output

Autonomous Machines Jetson & Embedded Systems Jetson TX2
1

How are you?

I hope to output 720P video via only 2 lanes DSI ports on TX2.
Namely, I will use only DSI0_CLK, DSI0_D0 and DSI0_D1 ports.
Because the receiver chip from TX2 have only 2 lanes of MIPI DSI Input ports.

I know TX2 only support 2 DSI outputs.

-TX2 DSI Configuration Examples-

  1. Dual Link Mode (Up to 8 PHY lanes):
    ▪ DSI-A (1x4) + DSI-C (1x4) to single display
    ▪ DSI-A (1x4) to one display, DSI-C (1x4) to a second display

  2. Split Link Mode (Up to 8 PHY lanes):
    ▪ Two Links with 1-lane each: DSI-A(1x1) + DSI-B (1x1) or DSI-C (1x1) + DSI-D (1x1)
    ▪ Two Links with 2-lane each: DSI-A(1x2) + DSI-B (1x2) or DSI-C (1x2) + DSI-D (1x2)
    ▪ Four Links with 1-lane each: DSI-A(1x1) + DSI-B (1x1) + DSI-C (1x1) + DSI-D (1x1)
    ▪ Four Links with 2-lane each: DSI-A(1x2) + DSI-B (1x2) + DSI-C (1x2) + DSI-D (1x2)

Can I use only DSI-A(1x2) as single output?
If not, please let me know about how to config DSI-A(1x2) as single output.

Thanks
SI J. KIM

2

Hi,

Sorry for the late reply.

If you want to configure a single DSI with 2 lanes, then currently our driver support it.
However, if you want to use 2 or more dsi panels, there is no existing samples and you may need to take a look at other forum topics.