Re: [PATCH v2 1/1] drm/tyr: make SRAM supply optional like panthor

[Mark Brown]

On Thu, Feb 12, 2026 at 01:05:38PM +0300, Onur Özkan wrote:
> On rk3588s, `dmesg | grep 'tyr'` logs:
> 
>   tyr fb000000.gpu: supply SRAM not found, using dummy regulator
> 
> This happens because Tyr calls Regulator<Enabled>::get() for SRAM,
> which goes through the non-optional regulator_get() path. If the
> device tree doesn't provide sram-supply, regulator core falls back
> to a dummy regulator and writes that log.

> Panthor handles SRAM as optional and tolerates missing sram-supply.

Does the RAM really work without power?

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