[Bug 99120] VERDE 7770 - glxdemo, vlc/glx, weston fail with garbled screen. Elsewhere blurry text rendering when focus lost

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99120

--- Comment #26 from Larry <5lokuf+c77xmvwa3y1jk at sharklasers.com> ---

(In reply to Arek Ruśniak from comment #25)
> Hi, before you start reinstall whole system you can always try:
> 
> 1) check this all things with completely new user account

That worked. 

Among the 100s of cruft dot files in my $HOME there's a little xml file called
".drirc", which I don't remember ever touching. It may have been there since
before I even got this card (previous was an ancient nvidia). I remember trying
PlayOnLinux years ago, maybe it put it there.

I finally narrowed the trouble down to the following two entries:

<driconf>
    <device screen="0" driver="radeonsi">
        <application name="Default">
            <option name="pp_jimenezmlaa" value="7" />
            <option name="pp_jimenezmlaa_color" value="8" />
        </application>
    </device>
</driconf>

"pp_jimenezmlaa" causes block-corrupted garbage, and "pp_jimenezmlaa_color"
screws up the fonts with blurring. I've spent 18 months thinking the OSS driver
was broken because of this. Is this a bug?


Now the hardware/driver does work, FOSS wins again and I'm \o/ about it.

Thanks again for your help.

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