[Bug 24270] Re: Screen flickering

TJ ubuntu at tjworld.net
Mon Sep 3 16:47:59 UTC 2007


In researching this I've come across a lot of mention of flickering
issues with various Radeon 9x00 chipsets, on Windows as well as Linux.

The symptoms seem to suggest that the framebuffer sets a register
incorrectly.

There are a whole host of settings that can be set on the kernel boot
command-line to control the video modes in this situation. If you're
feeling particularly resolved then doing some systematic testing with
differing options and recording the results might help narrow-down the
issue and show it is frame-buffer related, or else point the finger
somewhere else.

See this document for settings:
http://lxr.linux.no/source/Documentation/fb/vesafb.txt

-- 
Screen flickering
https://bugs.launchpad.net/bugs/24270
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