> -----Original Message----- > From: Michel Dänzer [mailto:michel at daenzer.net] > Sent: Tuesday, February 14, 2017 9:52 PM > To: Deucher, Alexander; 'Samuel Pitoiset'; StDenis, Tom > Cc: amd-gfx at lists.freedesktop.org > Subject: Re: [PATCH] drm/amdgpu: expose amdgpu_sensors on pre- > powerplay chips > > On 15/02/17 01:17 AM, Deucher, Alexander wrote: > >> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On > Behalf > >> Of Samuel Pitoiset > >> > >>> Otherwise, it seems to work though the GPU_TEMP reads as "5000" on > my > >>> Kaveri (meaning temp of 5C which isn't true). > >>> > >>> I suspect the dpm code is reading the wrong register to get the temp but > >>> we can fix that in another change later on. > >> > >> No idea. It was just a copy-n-paste. Maybe the initial code is buggy? > > > > I donâ??t know that the GPU temp sensor on CI based APUs actually works > > properly. I think the package temperature is exposed via the CPU > > thermals. > > Seems to work fine with radeon on my two Kaveri laptops, FWIW. > > On my desktop Kaveri, unplausibly low values (around 9-10C) are reported > at idle for both GPU and CPU. With load, both go up to around 30C, so it > seems like the values make sense in a relative sense but not in an > absolute one. I think I vaguely recall that it might actually be power rather than temperature. Need to check with the SMU guys. Alex > > > -- > Earthling Michel Dänzer | http://www.amd.com > Libre software enthusiast | Mesa and X developer
