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SubjectRadeon FB in 2.6.0-test4 fails for me

Hi,
On a Clevo laptop with a Radeon Mobility M7 LW (AGP), enabling
the Radeon frame buffer results in an unusable LCD display (as
if the horizontal and/or vertical sync were incorrect -- lots
of skewed diagonal lines)

The kernel log shows this:

radeonfb_pci_register BEGIN
radeonfb: ref_clk=2700, ref_div=12, xclk=16600 from BIOS
radeonfb: probed DDR SGRAM 65536k videoram
radeon_get_moninfo: bios 4 scratch = 1000004
radeonfb: panel ID string: Samsung LTN150P1-L02
radeonfb: detected DFP panel size from BIOS
radeonfb: probed DDR SGRAM 65536k videoram
radeon_get_moninfo: bios 4 scratch = 1000004
radeonfb: panel ID string: Samsung LTN150P1-L02
radeonfb: detected DFP panel size from BIOS: 1400x1050
radeonfb: ATI Radeon M7 LW DDR SGRAM 64 MB
radeonfb: DVI port LCD monitor connected
radeonfb: CRT port no monitor connected
radeonfb_pci_register END
hStart = 1440, hEnd = 1552, hTotal = 1688
vStart = 1050, vEnd = 1053, vTotal = 1063
h_total_disp = 0xae00d2^I hsync_strt_wid = 0x8e059a
v_total_disp = 0x4190426^I vsync_strt_wid = 0x830419
post div = 0x2
fb_div = 0x60
ppll_div_3 = 0x10060
ron = 1792, roff = 22036
vclk_freq = 10800, per = 787
Console: switching to colour frame buffer device 175x65


With FBDEV disabled in X, I see this in Xfree86.0.log:
(WW) RADEON(0): LCD: Using default hsync range of 28.00-33.00kHz
(WW) RADEON(0): LCD: using default vrefresh range of 43.00-72.00Hz
(II) RADEON(0): Clock range: 12.00 to 350.00 MHz
...
(**) RADEON(0): *Mode "1400x1050": 108.0 MHz (scaled from 0.0 MHz), 64.0 kHz, 60.2 Hz
(II) RADEON(0): Modeline "1400x1050" 108.00 1400 34208 34320 1688 1050 1050 1053 1063

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