[PATCH][RESEND] drm/bridge: ti-sn65dsi83: Check link status register after enabling the bridge

[Marek Vasut]

On 4/5/22 13:42, Laurent Pinchart wrote:
> Hi Marek,

Hi,

> Thank you for the patch.
> 
> On Sun, Feb 13, 2022 at 03:26:48AM +0100, Marek Vasut wrote:
>> In rare cases, the bridge may not start up correctly, which usually
>> leads to no display output. In case this happens, warn about it in
>> the kernel log.
> 
> Do you know what this is caused by ? It's a bit annoying to add a 10+ms
> delay at start time just to be notified of rare cases.

Could be anything, broken DSI bridge driver, misconfigured DSI link, 
etc. This at least informs the user that the bridge failed to come up, 
before this patch, there was no information about such failure.