sn65dsi83: dsi burst mode

Sean Nyekjaer sean at geanix.com
Fri Mar 8 07:43:47 UTC 2024



> On 7 Mar 2024, at 15.28, Frieder Schrempf <frieder.schrempf at kontron.de> wrote:
> 
> On 07.03.24 09:09, Sean Nyekjaer wrote:
>> Hi,
>> 
>> We are using the stm32mp1 together with the sn65dsi83 bridge.
>> The ti,sn65dsi83 driver is (hard) enabling MIPI_DSI_MODE_VIDEO_BURST, then the st,stm32-dsi driver is adding +20% to the clock speed.
>> 
>> That means our LVDS is +20% higher than expected.
>> 
>> Any proposals for a fix? Could we add a devicetree option to opt out of the burst mode?
> 
> FYI, this issue has been raised before: https://lkml.org/lkml/2022/10/4/455.

Thx :)

Guess, we live with an out of tree patch that disables the MIPI_DSI_MODE_VIDEO_BURST.

/Sean


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