Date: Tue, 26 Aug 2003 11:02:56 -0700 (PDT)
From: Ani Joshi <ajoshi@unixbox.com>
To: Peter Chubb <peter@chubb.wattle.id.au>
cc: linux-kernel@vger.kernel.org
Subject: Re: Radeon FB in 2.6.0-test4 fails for me
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try the attatched patch (its against test4).


ani

On Tue, 26 Aug 2003, Peter Chubb wrote:

>
> 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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