[Bug 99353] Kaveri 7400K shows random colored noise instead of GUI in X or Wayland

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99353

--- Comment #30 from Bong Cosca <bong.cosca at gmail.com> ---
Created attachment 137374
  --> https://bugs.freedesktop.org/attachment.cgi?id=137374&action=edit
Gnome desktop

The situation has improved somehow - but screen is still unusable. I tried to
patch si_state.c with:

/* KV should be 0x00000002, but that causes problems with radeon */
raster_config = 0x00000002; /* 0x00000002 */

How do I remove the checkerboard pattern overlay? And why is 0x00000000 the
default value? This appears to be just a workaround to a greater underlying
problem that needs to be fixed.

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