[PATCH] drm: bridge: samsung-dsim: Drain command transfer FIFO before transfer

Marek Vasut marex at denx.de
Mon Jul 3 08:38:53 UTC 2023


On 7/3/23 09:27, Neil Armstrong wrote:
> On 15/06/2023 22:15, Marek Vasut wrote:
>> Wait until the command transfer FIFO is empty before loading in the next
>> command. The previous behavior where the code waited until command 
>> transfer
>> FIFO was not full suffered from transfer corruption, where the last 
>> command
>> in the FIFO could be overwritten in case the FIFO indicates not full, but
>> also does not have enough space to store another transfer yet.
>>
> 
> I think you should add a Fixes tag since it solves a bug.

I'm afraid that is no longer possible, I already applied it to 
drm-misc-next. I'll make a note to ping Greg when it hits Linus tree.


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