<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"></style> </head> <body dir="ltr"> <div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr"> Thanks Tom. The attached patch can fix this bug. Best Regards Rex <div style="color: rgb(0, 0, 0);"> <div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="x_divRplyFwdMsg" dir="ltr">From: StDenis, Tom Sent: Thursday, October 5, 2017 9:42 PM To: amd-gfx mailing list Cc: Zhu, Rex; Deucher, Alexander Subject: tonga mclk regression <div> </div> </div> </div> <div class="PlainText">I've bisected it to this commit [root@fx6 linux2]# git bisect bad df1e63942063a0638a5813e5904988d834db2665 is the first bad commit commit df1e63942063a0638a5813e5904988d834db2665 Author: Rex Zhu <Rex.Zhu@amd.com> Date: Fri Sep 1 13:46:20 2017 +0800 drm/amd/powerplay: delete eventmgr layer in poweprlay Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> :040000 040000 5b955ab18919974b351c81565044f3280253fe03 35f848a30a0b57d7fdee53133ae5d8e066406d8f M drivers The commit before this has a properly throttling mclk with glmark2/xonotic-glx and this commit does not (locks at 300MHz). Should point that the commit ahead of this locks at 150MHz (lowest setting). I haven't actually looked at this commit for a fix yet. Cheers, Tom </div> </div> </div> </body> </html>