Bug 3759

Summary:	[mga] G100 gets black screen
Product:	xorg	Reporter:	Ian Romanick <idr>
Component:	Driver/mga	Assignee:	Xorg Project Team <xorg-team>
Status:	RESOLVED FIXED	QA Contact:
Severity:	normal
Priority:	high
Version:	6.8.99.14
Hardware:	x86 (IA32)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

Description Ian Romanick 2005-07-12 13:59:57 UTC

Installed a fresh FC3 system with an AGP G100 card.  It worked perfectly. 
Installed today's X.org CVS (6.8.99.14 according to the log), and I get a black
screen when starting X.  It isn't crashed because Ctrl-Alt-Backspace properly
exits the server.  Ctrl-Alt-FnX properly switch to the text console.

G400 and G450 work correctly with this version of the driver.  I will
investigate whether or not this is caused by my chages from 30-June-2005 to the
BIOS processing code.

Comment 1 Ian Romanick 2005-07-26 09:18:39 UTC

I blame cut-and-paste.  The wrong bit was being tested to determine the PLL
reference frequency.  The bit from the version 4 (e.g., for G400 cards) PInS was
tested instead of the one from the version 3.

I just committed a fix.

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