linux-kernel - Re: [PATCH] thermal/drivers/mediatek/lvts_thermal: Switch to IMMEDIATE

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Message-ID: <a641e6b8-0078-4910-9826-a088e69b734d@notapiano>
Date: Sat, 9 Nov 2024 10:26:15 -0500
From: Nícolas F. R. A. Prado <nfraprado@...labora.com>
To: Chen-Yu Tsai <wenst@...omium.org>
Cc: Hsin-Te Yuan <yuanhsinte@...omium.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] thermal/drivers/mediatek/lvts_thermal: Switch to
 IMMEDIATE_MODE

On Fri, Nov 08, 2024 at 04:21:07PM +0800, Chen-Yu Tsai wrote:
> On Fri, Nov 8, 2024 at 2:51 PM Hsin-Te Yuan <yuanhsinte@...omium.org> wrote:
> >
> > Currently, MT8192 cannot suspend with FILTERED_MODE. Switch to
> > IMMEDIATE_MODE will fix this.

Do you mean that the whole MT8192 SoC is not able to enter system suspend? I
just tested that on a fairly recent linux-next and it was working without a
problem. We need more context here.

> >
> 
> Probably should have a Fixes tag.
> 
> Also, Nicolas previously reported that the threshold interrupts don't
> work with the immediate mode [1], which is why filtered mode was used
> in the final version.

Indeed. I suppose it would be possible to configure immediate mode only during
suspend if this is really the problem.

Thanks,
Nícolas