Problem with framebuffer for ATI Rage Mobility P/M AGP (kernel 2.4.18)

Problem with framebuffer for ATI Rage Mobility P/M AGP (kernel 2.4.18)

[Marcin Bajko]

Hello,
I have trouble with ATI Rage Mobility P/M AGP graphic card in TravelMate 
525TX laptop.

I want to use framebuffer driver for console but I see black screen only.
I can change resolution by "fbset", all works fine but screen is still black.

Please help...

Marcin



dmesg:
atyfb: using auxiliary register aperture
atyfb: 3D RAGE Mobility (PCI) [0x4c4d rev 0x64] 8M SDRAM, 29.498928 MHz XTAL, 
230 MHz PLL, 50 Mhz MCLK
Console: switching to colour frame buffer device 80x25
fb0: ATY Mach64 frame buffer device on PCI

Kernel 2.4.18 compiled with options:
CONFIG_FB=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_VIDEO_SELECT=y
CONFIG_FB_ATY=y
CONFIG_FB_ATY_CT=y
CONFIG_FBCON_CFB8=y
CONFIG_FBCON_CFB16=y
CONFIG_FBCON_CFB24=y
CONFIG_FBCON_CFB32=y
CONFIG_FBCON_FONTS=y
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y

lspci:
01:00.0 VGA compatible controller: ATI Technologies Inc Rage Mobility P/M AGP 
2x (rev 64) (prog-if 00 [VGA])
        Subsystem: Acer Incorporated [ALI]: Unknown device 1010
        Flags: bus master, stepping, medium devsel, latency 32, IRQ 11
        Memory at 81000000 (32-bit, non-prefetchable) [size=16M]
        I/O ports at 8000 [size=256]
        Memory at 80600000 (32-bit, non-prefetchable) [size=4K]
        Expansion ROM at 80620000 [disabled] [size=128K]
        Capabilities: [50] AGP version 1.0
        Capabilities: [5c] Power Management version 1