i915: 2.6.36-rc2 hoses my Intel display

[Jonathan Corbet <corbet@lwn.net>]

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So I decided to fire up -rc2 today to see what would happen...the
results are best described by the attached images.  Something is
clearly scrambled between my hardware and the i915 driver.  Display with X
is hosed, but things go weird before X gets a chance to run (it is worth
noting that the initial output from the kernel is legible).

FWIW, my hardware is: 

00:02.1 Display controller: Intel Corporation 82Q35 Express Integrated Graphics Controller (rev 02)
	Subsystem: Dell OptiPlex 755
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Region 0: Memory at fea80000 (32-bit, non-prefetchable) [size=512K]
	Capabilities: [d0] Power Management version 2
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-

What else can I provide to help track this one down?

Thanks,

jon

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