[PATCH v3 0/3] Decouple max_pclk check from constant display feats
Jayesh Choudhary
j-choudhary at ti.com
Wed Jul 2 07:01:55 UTC 2025
Hello Devarsh,
On 01/07/25 19:00, Devarsh Thakkar wrote:
> On 01/07/25 15:25, Jayesh Choudhary wrote:
>> In an effort to make the existing compatibles more usable, we are
>> removing the max_pclk_khz form dispc_features structure and doing the
>> correspondig checks using "curr_max_pclk[]".
>>
>> Changes are fully backwards compatible.
>>
>> After integration of OLDI support[0], we need additional patches in
>> oldi to identify the VP that has OLDI. We have to do this since
>> OLDI driver owns the VP clock (its serial clock) and we cannot perform
>> clock operations on those VP clock from tidss driver. This issue was
>> also reported upstream when DSI fixes[1] had some clock related calls
>> in tidss driver. When "clk_round_rate()" is called, ideally it should
>> have gone to "sci_clk_determine_rate()" to query DM but it doesn't since
>> clock is owned by OLDI not tidss.
>>
>
> As series is fixing above issue (abnormal behaviour while calling
> clk_round_rate from tidss for VP clock being used by OLDI), can we add
> "Fixes tag" for the patches?
This seems like a preemptive fix. So I was not sure what to add.
If it should be added then which commit?
7246e0929945 ("drm/tidss: Add OLDI bridge support") ?
Warm Regards,
Jayesh
>
> Regards
> Devarsh
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