[RFC] drm/imx: upstream direction for i.MX95 display support

Marek Vasut marex at nabladev.com
Sun Oct 18 15:19:50 PDT 2026


On 9/21/26 8:40 PM, Marek Vasut wrote:
> On 7/7/26 4:26 AM, Liu Ying wrote:
> 
> Hi,
> 
>> I need to point out that i.MX95 display controller also has 2 display 
>> engines
>> and 1 pixel engine, which is something missing in your code.  This 
>> makes me
>> think that you have no enough i.MX95 display controller documents.
>>
>> Generally speaking, I'd say there is a lot to be improved before 
>> posting the
>> formal patch series.  Gut feeling is that maybe it's a bit too difficult
>> for you to get the drivers right.  As I said earlier, my original plan 
>> is to
>> add i.MX8QXP prefetch engine support first with the posted patch 
>> series and
>> then to add i.MX95 display controller support, but maybe I can try to 
>> add the
>> latter first - just need to find a time slot.  However, adding 
>> prefetch engine
>> support first would directly show a reason to people why two DRM 
>> drivers are
>> warranted when adding i.MX95 display controller support.
> 
> I haven't seen any MX95 DPU patches posted (except for my work from last 
> year), was there any progress since this discussion ?

+CC Daniel



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