[Bug 13677] Fedora 8 / Xorg 7.3 - VT switch yields all-white screen on ATI Mobility 7500

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=13677





------- Comment #4 from erez.hadad at gmail.com  2007-12-18 08:51 PST -------
(In reply to comment #3)
> Does commenting out line 4040 (OUTREG(RADEON_LVDS_PLL_CNTL,
> restore->lvds_pll_cntl);) of radeon_driver.c from ati git master help?
> 

This modification changes something, but doesn't fix the problem. With this
modification, the screen becomes all-white at once instead of the fade-like
effect that was before. I attached the log in attachment #3. 
Also, I tried commenting line 4039 w/ and wo/ 4040, but this causes the screen
to simply blank at VT switch. As always, the screen is properly restored when
switching back to graphics mode. I attached the logs for 4039+4040 and 4039
alone in attachments 4 and 5, respectively.


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