[PATCH 2/2] drm: bridge: ti-sn65dsi83: Add error recovery mechanism

[Marek Vasut]

On 10/28/24 9:02 AM, Herve Codina wrote:
> Hi Marek,

Hi,

> On Sat, 26 Oct 2024 00:53:51 +0200
> Marek Vasut <marex at denx.de> wrote:
> 
>> On 10/24/24 11:55 AM, Herve Codina wrote:
>>> In some cases observed during ESD tests, the TI SN65DSI83 cannot recover
>>> from errors by itself. A full restart of the bridge is needed in those
>>> cases to have the bridge output LVDS signals again.
>>
>> I have seen the bridge being flaky sometimes, do you have any more
>> details of what is going on when this irrecoverable error occurs ?
> 
> The panel attached to the bridge goes and stays black. That's the behavior.
> A full reset brings the panel back displaying frames.
Is there some noticeable change in 0xe0/0xe1/0xe5 registers, esp. 0xe5, 
do they indicate the error occurred somehow ?