Cinema Display 30 and Radeon 9600

Scott catfather at donpoo.net
Wed Mar 1 13:38:44 UTC 2006


On Mar 1, 2006, at 4:15 AM, shrek-m at gmx.de wrote:

> On 01.03.2006 03:36, Scott wrote:
>
>> The blank screen on install along with a copy of the X.log and X   
>> config from the install disk is something I will bugzilla. Might  
>> be  nice though to see if I could gather more info other than 'it  
>> doesn't  work' :)
>
>
> is your problem the  "raedoen 9600"  or the "cinema display 30" ?
> i have problems with the "radeon 9600" on a powermac and a "iiyama  
> vision master pro 451

I do not know. As a wild guess I would say the problem is with the  
xorg radeon driver not supporting the dual link dvi mode needed to  
drive the Apple Cinema Display 30. I have seen working video in xorg  
6.8.2 running the Radeon 9600 and the ACD 30 at 1024x768 under Ubuntu  
breezy when using the radeon driver. However, I still has the same  
issue of not being able to do native 2560x1600.

I loaded up FC5-test3 figuring I would try the latest xorg release I  
could find in a distro to see if the problem was something that had  
been fixed in the radeon driver or X11 code. So far though I have not  
been able to get video at 1024x678 like I had running with xorg 6.8.2  
in Ubuntu.

So I _think_ the problem is with the video card or xorg driver than  
the ACD 30. I'm concerned, but not stressed out about,  as to why I  
cannot seem to get any video at any resolution under xorg 7.0.0 in  
FC5-test3 where I could at least get 1024x768 under xorg 6.8.2 in  
Ubuntu. The real goal is to find out why I cannot get native  
2560x1600 running. :)

> Ihttps://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=180735
> the resolution is not as expected but i am happy that X is running  
> now.

Thanks for the link to this. Your xorg.conf and mine are identical as  
far as the radeon driver setup.

For reference here are the specs on the ACD 30: http://www.apple.com/ 
displays/specs.html. The following detected DDC data and panel type  
from the ACD 30 is accurate according to the specs I've seen:

(II) RADEON(0): I2C bus "DDC" initialized.
(II) RADEON(0): Legacy BIOS detected
(II) RADEON(0): Connector0: DDCType-2, DACType-0, TMDSType-1,  
ConnectorType-3
(II) RADEON(0): Connector1: DDCType-3, DACType-1, TMDSType-0,  
ConnectorType-3
(II) RADEON(0): I2C device "DDC:ddc2" registered at address 0xA0.
(II) RADEON(0): I2C device "DDC:ddc2" removed.
(II) RADEON(0): I2C device "DDC:ddc2" registered at address 0xA0.
(II) RADEON(0): I2C device "DDC:ddc2" removed.
(II) RADEON(0): I2C device "DDC:ddc2" registered at address 0xA0.
(II) RADEON(0): I2C device "DDC:ddc2" removed.
(II) RADEON(0): DDC Type: 3, Detected Type: 0
(II) RADEON(0): I2C device "DDC:ddc2" registered at address 0xA0.
(II) RADEON(0): I2C device "DDC:ddc2" removed.
(II) RADEON(0): DDC Type: 2, Detected Type: 3
(II) RADEON(0): EDID data from the display on port  
2-----------------------
(II) RADEON(0): Manufacturer: APP  Model: 9232  Serial#: 33556679
(II) RADEON(0): Year: 2005  Week: 47
(II) RADEON(0): EDID Version: 1.3
(II) RADEON(0): Digital Display Input
(II) RADEON(0): Max H-Image Size [cm]: horiz.: 64  vert.: 40
(II) RADEON(0): Gamma: 2.20
(II) RADEON(0): DPMS capabilities: Off; RGB/Color Display
(II) RADEON(0): First detailed timing not preferred mode in violation  
of standard!
(II) RADEON(0): redX: 0.640 redY: 0.343   greenX: 0.292 greenY: 0.611
(II) RADEON(0): blueX: 0.146 blueY: 0.074   whiteX: 0.313 whiteY: 0.331
(II) RADEON(0): Manufacturer's mask: 0
(II) RADEON(0): Supported additional Video Mode:
(II) RADEON(0): clock: 71.0 MHz   Image Size:  641 x 401 mm
(II) RADEON(0): h_active: 1280  h_sync: 1328  h_sync_end 1360  
h_blank_end 1440 h_border: 0
(II) RADEON(0): v_active: 800  v_sync: 803  v_sync_end 809  
v_blanking: 823 v_border: 0
(II) RADEON(0): Supported additional Video Mode:
(II) RADEON(0): clock: 268.0 MHz   Image Size:  641 x 401 mm
(II) RADEON(0): h_active: 2560  h_sync: 2608  h_sync_end 2640  
h_blank_end 2720 h_border: 0
(II) RADEON(0): v_active: 1600  v_sync: 1603  v_sync_end 1609  
v_blanking: 1646 v_border: 0
(II) RADEON(0): Serial No: CY54703AUG1
(II) RADEON(0): Monitor name: Cinema HD
(II) RADEON(0): Number of EDID sections to follow: 1
(II) RADEON(0):
(II) RADEON(0): Primary:
Monitor   -- TMDS
Connector -- DVI-I
DAC Type  -- Primary
TMDS Type -- External
DDC Type  -- DVI_DDC
(II) RADEON(0): Secondary:
Monitor   -- NONE
Connector -- DVI-I
DAC Type  -- TVDAC/ExtDAC
TMDS Type -- Internal
DDC Type  -- VGA_DDC
(II) RADEON(0): PLL parameters: rf=2700 rd=12 min=20000 max=40000;  
xclk=27000
(WW) RADEON(0): Failed to detect secondary monitor, MergedFB/Clone  
mode disabled
(==) RADEON(0): Using gamma correction (1.0, 1.0, 1.0)
(II) RADEON(0): Validating modes on Primary head ---------
(II) RADEON(0): DFP table revision: 4
(II) RADEON(0): Panel infos found from DDC detailed: 1280x800
(II) RADEON(0): Panel infos found from DDC detailed: 2560x1600
(II) RADEON(0): Valid Mode from Detailed timing table: 1280x800
(II) RADEON(0): Valid Mode from Detailed timing table: 2560x1600
(II) RADEON(0): Total of 2 mode(s) found.
(II) RADEON(0): Total number of valid DDC mode(s) found: 2
(--) RADEON(0): Virtual size is 2560x1600 (pitch 2560)

--
Scott


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