<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <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"> <p style="margin-top:0;margin-bottom:0">IIRC, this was a dpm bug fix, such that prior to the patch, the mclk would never drop below 500Mhz or something like that and after the fix, it goes down to the lowest frequency. The dpm heuristics are not a perfect match for some games.</p> <p style="margin-top:0;margin-bottom:0"><br> </p> <p style="margin-top:0;margin-bottom:0">Alex</p> <p style="margin-top:0;margin-bottom:0"><br> </p> </div> <hr style="display:inline-block;width:98%" tabindex="-1"> <div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Samuel Pitoiset <samuel.pitoiset@gmail.com><br> <b>Sent:</b> Tuesday, August 28, 2018 8:12:12 AM<br> <b>To:</b> Quan, Evan<br> <b>Cc:</b> Zhu, Rex; amd-gfx@lists.freedesktop.org<br> <b>Subject:</b> [Vega10] [bisected] Performance regression with Dawn Of War III and RADV</font> <div> </div> </div> <div class="BodyFragment"><font size="2"><span style="font-size:11pt;"> <div class="PlainText">Hi there,<br> <br> I found a performance regression that affects my Vega10 with Dawn Of War <br> III and RADV (ie. 74FPS -> 71FPS). I bisected to:<br> <br> commit ea7f492b6ac6eced0d09ccb2b0a2909a0025e22e<br> Author: Evan Quan <evan.quan@amd.com><br> Date: Mon Jul 16 17:23:19 2018 +0800<br> <br> drm/amd/powerplay: correct the argument for PPSMC_MSG_SetUclkFastSwitch<br> <br> The argument was set wrongly. Fast/slow switch was asked when there is<br> actually a slow/fast switch needed.<br> <br> Change-Id: Ibcfdf741dea1700cc3796f84291606231e732f4b<br> Signed-off-by: Evan Quan <evan.quan@amd.com><br> Reviewed-by: Rex Zhu<rex.zhu@amd.com><br> <br> Any ideas?<br> <br> Thanks,<br> Samuel.<br> _______________________________________________<br> amd-gfx mailing list<br> amd-gfx@lists.freedesktop.org<br> <a href="https://lists.freedesktop.org/mailman/listinfo/amd-gfx">https://lists.freedesktop.org/mailman/listinfo/amd-gfx</a><br> </div> </span></font></div> </body> </html>