Re: [PATCH v1 03/10] ARM: tegra: acer-a500: Bump thermal trips by 10C

[Dmitry Osipenko]

15.05.2021 00:16, Michał Mirosław пишет:
> On Mon, May 10, 2021 at 11:25:53PM +0300, Dmitry Osipenko wrote:
>> It's possible to hit the temperature of the thermal zone in a very warm
>> environment under a constant load, like watching a video using software
>> decoding. It's even easier to hit the limit with a slightly overclocked
>> CPU. Bump the temperature limit by 10C in order to improve user
>> experience. Acer A500 has a large board and 10" display panel which are
>> used for the heat dissipation, the SoC is placed far away from battery,
>> hence we can safely bump the temperature limit.
> 
> 60^C looks like a touch-safety limit (to avoid burns for users). Did you
> verify the touchable parts' temperature somehow after the change?

The SoC is placed under a can. Both front and back of device are large
metal planes which dissipate heat efficiently. I don't recall A500
getting hot ever and I'm holding it in hands every day. From a user
perspective it may feel like a part of device getting slightly warm in a
worst case.