Yes, caused by the commit e37a7b4088da ("drm/amd/powerplay: tidy up ret checks in amd_powerplay.c") Replace error when split patches. Have sent the fix patch. Please review. Best Regards Rex -----Original Message----- From: Alex Deucher [mailto:alexdeucher@xxxxxxxxx] Sent: Friday, September 29, 2017 10:11 PM To: Dieter Nützel; Zhu, Rex Cc: amd-devel; DRI Devel; Wentland, Harry; Michel Dänzer Subject: Re: [amd-staging-drm-next] regression - no fan info (sensors) on RX580 Rex, probably related to the recent cleanups in powerplay. On Fri, Sep 29, 2017 at 10:09 AM, Dieter Nützel <Dieter at nuetzel-hh.de> wrote: > Hello all, > > since latest update > > 1d7da702e70d3c27408a3bb312c71d6be9f7bebe > drm/amd/powerplay: fix spelling mistake: "dividable" -> "divisible" > > I didn't get fan info with my RX580 (Polaris21) any longer. > > Worked with this commit: > > 786df0b89fe5a0b405d4de0a1ce03003c0743ec3 > drm/amd/display: fix pflip irq registor for raven > > Sorry, I do not have full time for bisect, because we are on way to > our vacation. > > Maybe in the evening (only a few commits). > > Greetings, > Dieter