Re: [PATCH 2/2] drm/panel-simple: Add Innolux G156HCE-L01 panel entry

[Marek Vasut <marex@denx.de>]

On 8/3/23 17:06, Luca Ceresoli wrote:
> Hi Marek,
> 
> On Thu, 3 Aug 2023 16:25:37 +0200
> Marek Vasut <marex@denx.de> wrote:
> 
>> On 8/3/23 16:23, Luca Ceresoli wrote:
>>> Hi Marek,
>>
>> Hi,
>>
>>> On Mon, 31 Jul 2023 23:02:58 +0200
>>> Marek Vasut <marex@denx.de> wrote:
>>>    
>>>> Add support for Innolux G156HCE-L01 15.6" 1920x1080 24bpp
>>>> dual-link LVDS TFT panel. Documentation is available at [1].
>>>
>>> Interesting, I'm bringing up this exact panel right now and found your
>>> patch.
>>>    
>>>> The middle frequency is tuned slightly upward from 70.93 MHz
>>>> to 72 MHz, otherwise the panel shows slight flicker.
>>>
>>> Using 70.93 MHz here does not show any flickering. I even tried going
>>> in the opposite direction and set 70 MHz, and to use different
>>> backlight settings, all without any flickering.
>>>
>>> Do you think you might be using a defective device? Would you have a
>>> chance of testing another sample?
>>
>> I have literally one such display.
>>
>> Which SoC do you use (and if applicable, which bridge) ?
> 
> The panel is driven by the DSI-2 output of a i.MX8MP through a TI
> SN65DSI84 bridge.

I use the LT9211 , so I wonder whether this might be another Lontium 
specific oddity.