Re: [PATCH v5 4/4] drm: bridge: ti-sn65dsi83: Add error recovery mechanism

From: Herve Codina
Date: Thu Feb 06 2025 - 10:21:10 EST


Hi Alexander,

On Thu, 06 Feb 2025 15:38:42 +0100
Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> wrote:

...
> With interrupt configured I got the following stack trace upon
> reboot/poweroff:
>
> [ 91.317264] sn65dsi83 2-002d: reset the pipe
> [ 91.344093] Unable to handle ke
> ** replaying previous printk message **
> [ 91.344093] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
...

Ouch :(

One question to help me investigating:
Do you have the issue at init/probe or when you start to display graphics?

Best regards,
Hervé