Some weird interaction with disabling the i2c access, in the following patch perhaps?
commit cd68344b283174a9b38e9488d5a929464e1f417c Author: Lyude Paul <ly...@redhat.com> Date: Tue Apr 9 16:23:30 2019 -0400 drm/nouveau/i2c: Disable i2c bus access after ->fini() On Sun, 16 Jun 2019 at 15:28, Ilia Mirkin <imir...@alum.mit.edu> wrote: > I don't really see anything between v5.0..v5.1 which would account for > this. Could have been a subtle change to the i2c logic somewhere. The > fastest way to identify the problem would be to do a bisect on the kernel > to identify the commit that caused this. There are many guides for this > online. > > On Sat, Jun 15, 2019 at 12:17 PM Mar Mel <marmel6...@yahoo.com> wrote: > >> Unfortunately, even with this change now reverted in kernel 5.1.10, the >> fan speed issue persists. >> >> If someone could point me in the direction of a relevant commit(s) I'll >> happily file a bug report. >> >> On Thursday, June 13, 2019, 11:19:25 AM EDT, Mar Mel < >> marmel6...@yahoo.com> wrote: >> >> >> As of kernel 5.1.9, on resume from suspend, my NV50 fan runs at full >> speed. >> >> Not sure if it has to do with this new config option ( >> NOUVEAU_LEGACY_CTX_SUPPORT)? >> >> This issue is not present using kernel 5.0.21. >> >> Years ago I filed a similar issue: >> >> 60704 – [nouveau, git regression] - I2C PWM fan control broken on nv50 >> adt7475 on kernels 3.3.x+ >> <https://bugs.freedesktop.org/show_bug.cgi?id=60704> >> >> Thanks. >> >> >> 60704 – [nouveau, git regression] - I2C PWM fan control broken on nv50 >> a... >> >> <https://bugs.freedesktop.org/show_bug.cgi?id=60704> >> >> >> _______________________________________________ >> Nouveau mailing list >> Nouveau@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/nouveau > > _______________________________________________ > Nouveau mailing list > Nouveau@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/nouveau
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