About LLe.1

LLe.1 · 2022-07-16

Hi,We are using stm32mp157c MCU/board and it has DSI output built-in. Now we want to add display port support via DSI to eDP bridge SN65DSI86. It seems that stm32 does not support Displayport output or it has never been done. At least the driver dw_m...

LLe.1 · 2022-08-09

@Erwan SZYMANSKI could you give me some hint from where the bridge_enable() get called please, that would help me finding out why its not called.

LLe.1 · 2022-08-09

@Erwan SZYMANSKI ok I sorted it out, from TI bridge it should call attach panel directly with current panel code. I did that, now attach finishes ok. However, after that nothing happens, dsi phy init not called, dsi power on not called, etc.I think ...

LLe.1 · 2022-08-07

I am concerning about the location of my simple-panel in device tree, should it be like it is now (under root node), or should it be inside bridge node?How does simple-panel indicate its presence (when DisplayPort is plugged in) to bridge and dsi so ...

LLe.1 · 2022-08-07

@Erwan SZYMANSKI unfortunately upgrading the kernel is not an option for us.However, I got a bit further, by removing simplepanel's power supply init from panel's probe function, I got panel probe faster and thus solved the probe ordering issue. I d...

LLe.1 · 2022-08-03

@Erwan SZYMANSKI the patch doesn't help because dw_mipi_dsi_bridge_attach() is called even before ti-bridge probe is called.I start to think that I will need somehow to get new version of the bridge driver -> new kernel + drm. Or what is your sugges...

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