Xorg - Resolution issues

[Martin Turgeon]

Francis Dubé a écrit :
> Francis Dubé wrote :
>> Hi everyone,
>>
>> I got this TV : 
>> http://www.samsung.com/ca/consumer/detail/spec.do?group=tv&type=tv&subtype=lcd&model_cd=LN40A330J1DXZC&fullspec=F 
>>
>>
>> I'm trying to use it as my screen under FreeBSD 7.1-RELEASE with a 
>> resolution of 1366x768 which is suposed to be suported by the TV, 
>> acording with the TV's specs. I did the same with another very similar 
>> TV and it was working #1 without having to create any Xorg.conf, a 
>> plain startx and the display was perfect (1366x768).
>>
>> With my new TV, X only start in 1280x720. So I created a config file 
>> with Xorg -configure, then I tried to force Xorg to use 1366x768 but 
>> it keeps loading in 1280x720. In my Xorg.0.log it looks like there's 
>> no support for the resolution I want :
>>
>> [...]
>> (==) Using config file: "/etc/X11/xorg.conf"
>> [...]
>> (II) RADEON(0): Panel infos found from DDC detailed: 1280x720
>> [...]
>> (II) RADEON(0): Supported additional Video Mode:
>> (II) RADEON(0): clock: 74.2 MHz   Image Size:  160 x 90 mm
>> (II) RADEON(0): h_active: 1280  h_sync: 1390  h_sync_end 1430 
>> h_blank_end 1650 h_border: 0
>> (II) RADEON(0): v_active: 720  v_sync: 725  v_sync_end 730 v_blanking: 
>> 750 v_border: 0
>> (II) RADEON(0): Supported additional Video Mode:
>> (II) RADEON(0): clock: 74.2 MHz   Image Size:  160 x 90 mm
>> (II) RADEON(0): h_active: 1920  h_sync: 2008  h_sync_end 2052 
>> h_blank_end 2200 h_border: 0
>> (II) RADEON(0): v_active: 540  v_sync: 542  v_sync_end 547 v_blanking: 
>> 562 v_border: 0
>> (II) RADEON(0): Ranges: V min: 23  V max: 61 Hz, H min: 26  H max: 68 
>> kHz, PixClock max 150 MHz
>> (II) RADEON(0): Monitor name: SAMSUNG
>> [...]
>> (II) RADEON(0): Output DVI-0 using initial mode 1280x720
>> [...]
>>
>> This is how i configured my resolution in my /etc/X11/xorg.conf :
>> [...]
>> Section "Screen"
>>        Identifier "Screen0"
>>        Device     "Card0"
>>        Monitor    "Monitor0"
>>        DefaultDepth 24
>>        SubSection "Display"
>>                Viewport   0 0
>>                Depth     24
>>                Modes   "1366x768"
>>        EndSubSection
>> EndSection
>> [...]
>>
>> My video card is a Radeon HD 3450 and my Xorg version is xorg-7.3_2
>>
>> Also, the only other resolution "supported" by the TV according to the 
>> log file would be 1920x540...but it's not supported by the TV !
>>
>> Am I missing something ?
>>
>> Thanks for reading.
>>
>> Francis
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> I had this problem last month, I tought it was fixed using this little 
> trick suggested by Polytropon :
> 
> Polytropon wrote :
>> If it doesn't work, there's always an option to use xrandr via
>> ~/.xinitrc:
>>
>>     xrandr --size 1366x768 &
>>     xrandr --fb 1366x768 &
>>
>> I have a similar issue with the "ati" driver, using an ATI Radeon 9200
>> (RV250) which I need to force to 1400x1050 (worked with old XFree86
>> and the setting in the config file, as you mentioned it). The
>> autodetection of the screen (21" CRT) leads to stupid values that
>> are completely unusable.
> The screen is located far from my office so I can't be in front of it to 
> test, that's why I haven't spotted it wasn't working. I tought it was 
> because when i take a screenshot with 'scrot' i get a full screenshot in 
> 1366x768 and everything is clean, but the TV itself shows a 1280x720 
> display. I should've watched the Xorg's log instead of simply assuming 
> it was working with a screenshot, but anyway now my problem is the same 
> : The PC is configured in 1366x768, but the TV don't care and shows a 
> 1280x720.
> 
> Anyone got a similar issue and a way to fix it ?
> 
> Thanks,
> 
> Francis Dubé

Hi!

I have the same problem with the same model of TV (Samsung A330). Did 
you solved your problem?

Thanks,

Martin