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
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