From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Courbot Subject: Re: [PATCH 0/3] drm/gk20a: support for reclocking Date: Fri, 11 Jul 2014 10:42:26 +0900 Message-ID: <53BF4102.6010807@nvidia.com> References: <1404977677-22248-1-git-send-email-acourbot@nvidia.com> <53BE61D9.4020202@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <53BE61D9.4020202@nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Mikko Perttunen , Ben Skeggs , Ken Adams Cc: "linux-tegra@vger.kernel.org" , "nouveau@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "gnurou@gmail.com" List-Id: linux-tegra@vger.kernel.org On 07/10/2014 06:50 PM, Mikko Perttunen wrote: > Does GK20A itself have any kind of thermal protection capabilities? > Upstream SOCTHERM support is not yet available (though I have a driver > in my tree), so we are thinking of disabling CPU DVFS on boards that > don't have always-on active cooling for now. Same might be necessary for > GPU as well. There is a small thermal driver ( https://android.googlesource.com/kernel/tegra/+/b445e5296764d18861a6450f6851f25b9ca59dee/drivers/video/tegra/host/gk20a/therm_gk20a.c ) but it doesn't seem to do much. I believe that for Tegra we rely in SOCTHERM instead, but maybe Ken could confirm?