[REGRESSION][BISECTED] intel iGPU with HDMI PLL stopped working at 1080p at 120Hz 1efd5384

[Nautiyal, Ankit K]

On 6/17/2025 7:20 PM, Jani Nikula wrote:
> On Tue, 17 Jun 2025, Vas Novikov <vasya.novikov at gmail.com> wrote:
>> Hi Jani and everyone,
>>
>> On 17/06/2025 12.33, Jani Nikula wrote:
>>> Does [1] help?
>> The patch works. (Applied on top of 6.16.0-rc2-1.1-mainline, built by
>> Christian @gromit who helped again.)
>>
>> The patch (or the new kernel) also have a side effect of xrandr allowing
>> a completely new refresh rate, ~144Hz. This new refresh also seems to
>> work (I cannot easily disambiguate 144 versus 120, but I can tell it's
>> not 60Hz). So as far as my hardware is concerned, this patch leaves the
>> whole system working in all scenarios that I've tested.
> Thanks a lot for testing! Ankit will send a v2 of it, and I think we'll
> have it in mainline and backported to stable in a few weeks.
>
> There's no need to file that bug report, this will suffice.


Thanks Vas for reporting and testing and Christian for the help with 
bisection/builds.

Thanks Jani for first pointing out the sparse warning, and then for 
quickly pointing out the fix.

I have sent the v2 of the fix [1].

[1] 
https://lore.kernel.org/all/20250618130951.1596587-2-ankit.k.nautiyal@intel.com/

Regards,

Ankit


>
>
> BR,
> Jani.
>
>