<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [amdgpu][bisected][polaris] "drm/amdgpu: refine uvd 6.0 clock gate feature" sets MCLK on highest state" href="https://bugs.freedesktop.org/show_bug.cgi?id=98821#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [amdgpu][bisected][polaris] "drm/amdgpu: refine uvd 6.0 clock gate feature" sets MCLK on highest state" href="https://bugs.freedesktop.org/show_bug.cgi?id=98821">bug 98821</a> from <a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> Alex Deucher</a> <pre>(In reply to Arek Ruśniak from <a href="show_bug.cgi?id=98821#c7">comment #7</a>) > Alex I use something like that: > watch -n 1 -c "cat /sys/kernel/debug/dri/0/amdgpu_pm_info" > combined with > vblank_mode=0 glxgears > it should set mclk on fire IIRC, but it was still 300MHz, bisecting gives me: > <a href="https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-4.10">https://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-4.10</a>- > wip&id=ddfe1db18752b08d88d81cb7b661e1f982fc5d04 > I doubt regular sized gears will generate enough memory load to raise the mclk. Does it work if you try: vblank_mode=0 glxgears -fullscreen Or try some more demanding app. > but when I've tested (in the bisecting proces) commit [1] I saw that mclk i > set always on 2000MHz... and this is first commit (I checked +/- 1) when is > set on HIGH no matter what. > > So yes, this are two issues in one I believe because revert > 1b7eab1f8346ab3b8e4fc54882306340a84497a8 fixes them all. Also does the number of displays attached change the behavior? When you say fix, do you mean mclk stays high, or changes dynamically?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>