Re: bug #13249 - problem with intelfb on i845gm

On Wed, 20 May 2009 08:25:48 +0200 (CEST)
Werner LEMBERG [off-list ref] wrote:

quoted

quoted

I'm doing a git bisect right now to find out why
CONFIG_FB_BOOT_VESA_SUPPORT doesn't work as advertised.

Probably, it does work as supposed to.  The
CONFIG_FB_BOOT_VESA_SUPPORT tells Linux to allow VESA modes values
for the "vga=" switch.  It also switches on the VESA graphics modes.
However, without a framebuffer which makes use of the graphics
display (vesafb, intelfb, sisfb) it only garbles screen.

Well, I use the intelfb driver (CONFIG_FB_INTEL=m), but I get a black
screen for any VESA mode...

I see a problem here. If the intelfb is selected as a module the CONFIG_FB_BOOT_VESA_SUPPORT  should not be selected.
I'll prepare a patch for it.

Regards,
Krzysztof

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