[PATCH v3 4/6] drm/bridge: tc358767: Disable MIPI_DSI_CLOCK_NON_CONTINUOUS

[Marek Vasut]

On 6/24/24 11:06 AM, Alexander Stein wrote:
> Am Montag, 24. Juni 2024, 09:45:13 CEST schrieb Alexander Stein:
>> Hi,
>>
>> Am Sonntag, 23. Juni 2024, 16:38:36 CEST schrieb Marek Vasut:
>>> The MIPI_DSI_CLOCK_NON_CONTINUOUS causes visible artifacts in high
>>> resolution modes, disable it. Namely, in DSI->DP mode 1920x1200 24
>>> bpp 59.95 Hz, with DSI bus at maximum 1 Gbps per lane setting, the
>>> image contains jittering empty lines.
>>>
>>> Signed-off-by: Marek Vasut <marex at denx.de>
>>
>> I can't see these artifacts in 1920x1200 24bpp, but still looks good to me
>> Acked-by: Alexander Stein <alexander.stein at ew.tq-group.com>
> 
> I have to retract that. After checking for those mentioned artifacts
> I noticed that the DP output was running without any issues.
> There is something more going on here. Reverting this patch there wasn't
> a single output problem.
> This changes actually breaks my DSI connection randomly.
> Sometimes it works, sometimes not. I also noticed that there wasn't even
> a single DP link training failure, so I assume the DSI clock somehow
> affected the internal state machine which even affected DP link training.
> Until we know what's going on, NAK form me.

I can temporarily drop this patch and keep the remaining five if that's 
OK with you ?