<div dir="ltr">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.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Jun 15, 2019 at 12:17 PM Mar Mel <<a href="mailto:marmel6942@yahoo.com">marmel6942@yahoo.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="gmail-m_6577269616604786429ydpb69c7536yahoo-style-wrap" style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><div></div> <div>Unfortunately, even with this change now reverted in kernel 5.1.10, the fan speed issue persists.</div><div><br></div><div>If someone could point me in the direction of a relevant commit(s) I'll happily file a bug report.</div><div><br></div> </div><div id="gmail-m_6577269616604786429yahoo_quoted_0639155532" class="gmail-m_6577269616604786429yahoo_quoted"> <div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px;color:rgb(38,40,42)"> <div> On Thursday, June 13, 2019, 11:19:25 AM EDT, Mar Mel <<a href="mailto:marmel6942@yahoo.com" target="_blank">marmel6942@yahoo.com</a>> wrote: </div> <div><br></div> <div><br></div> <div><div id="gmail-m_6577269616604786429yiv3381411794"><div><div class="gmail-m_6577269616604786429yiv3381411794yahoo-style-wrap" style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px"><div>As of kernel 5.1.9, on resume from suspend, my NV50 fan runs at full speed. <br></div><div><br></div><div>Not sure if it has to do with this new config option (<span>NOUVEAU_LEGACY_CTX_SUPPORT)?</span><br></div><div><br></div><div>This issue is not present using kernel 5.0.21.</div><div><br></div><div>Years ago I filed a similar issue:<br></div><div><br></div><div><a rel="nofollow" href="https://bugs.freedesktop.org/show_bug.cgi?id=60704" class="gmail-m_6577269616604786429yiv3381411794enhancr_card_0655079240" target="_blank">60704 – [nouveau, git regression] - I2C PWM fan control broken on nv50 adt7475 on kernels 3.3.x+</a></div><div><br></div><div>Thanks.<br></div><div><br></div><div><br></div><div id="gmail-m_6577269616604786429yiv3381411794ydp73b97a3aenhancr_card_0655079240" class="gmail-m_6577269616604786429yiv3381411794ydp73b97a3ayahoo-link-enhancr-card gmail-m_6577269616604786429yiv3381411794ydp73b97a3ayahoo-link-enhancr-not-allow-cover gmail-m_6577269616604786429yiv3381411794ydp73b97a3aymail-preserve-class gmail-m_6577269616604786429yiv3381411794ydp73b97a3aymail-preserve-style" style="max-width:400px;font-family:Helvetica,Arial,sans-serif"><a rel="nofollow" href="https://bugs.freedesktop.org/show_bug.cgi?id=60704" style="text-decoration:none;color:rgb(0,0,0)" class="gmail-m_6577269616604786429yiv3381411794ydp73b97a3ayahoo-enhancr-cardlink" target="_blank"><table class="gmail-m_6577269616604786429yiv3381411794ydp73b97a3acard-wrapper gmail-m_6577269616604786429yiv3381411794ydp73b97a3ayahoo-ignore-table" style="max-width:400px" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td width="400"><table class="gmail-m_6577269616604786429yiv3381411794ydp73b97a3acard gmail-m_6577269616604786429yiv3381411794ydp73b97a3ayahoo-ignore-table" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224,228,233);border-radius:2px" width="100%" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td><table class="gmail-m_6577269616604786429yiv3381411794ydp73b97a3acard-info gmail-m_6577269616604786429yiv3381411794ydp73b97a3ayahoo-ignore-table" style="background-color:rgb(255,255,255);background-repeat:repeat;background-image:none;background-size:auto;width:100%;max-width:400px;border-radius:0px 0px 2px 2px;border-top:1px solid rgb(224,228,233)" cellspacing="0" cellpadding="0" border="0"><tbody><tr><td style="background-color:rgb(255,255,255);padding:16px 0px 16px 12px;vertical-align:top;border-radius:0px 0px 0px 2px"></td><td style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:Helvetica,Arial,sans-serif;border-radius:0px 0px 2px"><h2 class="gmail-m_6577269616604786429yiv3381411794ydp73b97a3acard-title" style="font-size:14px;line-height:19px;margin:0px 0px 6px;font-family:Helvetica,Arial,sans-serif;color:rgb(38,40,42)">60704 – [nouveau, git regression] - I2C PWM fan control broken on nv50 a...</h2><p class="gmail-m_6577269616604786429yiv3381411794ydp73b97a3acard-description" style="font-size:12px;line-height:16px;margin:0px;color:rgb(151,155,167)"></p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></div><div><br></div><div><br></div></div></div></div></div> </div> </div></div>_______________________________________________<br> Nouveau mailing list<br> <a href="mailto:Nouveau@lists.freedesktop.org" target="_blank">Nouveau@lists.freedesktop.org</a><br> <a href="https://lists.freedesktop.org/mailman/listinfo/nouveau" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/nouveau</a></blockquote></div>