Re: intelfb not working on a 945GM

[Jesse Barnes <jbarnes@virtuousgeek.org>]

On Thursday, October 18, 2007, Paride Legovini wrote:
> intelfb: intelfb_init
> intelfb: Framebuffer driver for Intel(R)
> 830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM chipsets
> intelfb: Version 0.9.4
> intelfb: intelfb_setup
> intelfb: no options
> intelfb: intelfb_pci_register
> intelfb: fb aperture: 0xd0000000/0x10000000, MMIO region:
> 0xee100000/0x80000 intelfb: 00:02.0: Intel(R) 945GM, aperture size
> 256MB, stolen memory 7932kB intelfb: fb: 0xd0000000(+ 0x0)/0x7bf000
> (0xf8a00000)
> intelfb: MMIO: 0xee100000/0x80000 (0xfc200000)
> intelfb: ring buffer: 0xd3001000/0x10000 (0xfba01000)
> intelfb: HW cursor: 0x0/0x0 (0x00000000) (offset 0x0) (phys 0x0)
> intelfb: options: vram = 4, accel = 1, hwcursor = 0, fixed = 0,
> noinit = 0 intelfb: options: mode = ""
> intelfb: Non-CRT device is enabled ( LVDS port ).  Disabling mode
> switching. intelfb: Video mode must be programmed at boot time.
> intelfb: cleanup
>
> Both the vesafb and the X11 'intel' driver work really fine. What
> could this be? If you need mode informations or want me to make any
> sort of test just tell me.

The intelfb driver doesn't support much in the way of modesetting, and 
in fact it can be problematic if you try to use it, X and the DRM at 
the same time, so I'd recommend avoiding it unless you have specific 
embedded requirements or something...

Jesse

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