Just tested your ppa with mesa 19.2.1-1ubuntu1~18.04.1~ppa2, thank you

Since mesa 19.0.8-0ubuntu0~18.04.2 the image produced by Ubuntu with all
media players and browsers is very dark, like the contrast and black
levels were adjusted at a very low value. It became worse than before,
including yours from x-swat.

I noticed this contrast darkness increases progressively with each
kernel upgrade, starting from 5.0.0-27 to 5.0.0-32; I'm using 4.18.0-15
to minimize this effect.

I tested a Radeon R7 250 card, compatible with A-10 series APUs, and got
the exact same bug. So the problem is not only with AMD APUs, but with
the entire AMD R7 Graphics series, if not all AMD stack.

You guys need to test more AMD hardware.

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which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1837170

Title:
  Kodi package crash after the update of libdrm-amdgpu1

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1837170/+subscriptions

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