Julio's machine doesn't provide full resolution when using the VESA driver
=============
To get all supported resolutions, there's UVESA driver (kernel module +
v86d userspace tuner) instead. Its drawback is unable to have booting
penguins (earliest stage graphic console) :)
2013/9/21 Ivanko B <[email protected]>
> VESA, UVESA & KMS (DRM based) Nouveau/Radeon disallow any h/w accelarating
> but simpliest area copying in rare cases. With modern hardware, they can be
> considered as deep fallbacks.
>
> Graeme, it seem that You had to switch to a large LED backlight monitor
> (27 inches me guess). How did You tune its backlight & brightness level so
> that your eyes feel comfortable ? Me still can't adopt to LED backlight of
> my monitor with its 200 Hz PWM backlignt regulator.
>
>
>
> 2013/9/21 Sieghard <[email protected]>
>
>> Hallo Graeme,
>>
>> Du schriebst am Fri, 20 Sep 2013 13:57:45 +0100:
>>
>> > > If Julio runs Linux, which he probabely does, it is quite possible
>> that
>> > > the VESA driver doesn't support all the built-in firmware
>> ...
>> > Nope, I installed X11 via FreeBSD's ports system (from source code). The
>> ...
>> > driver I'm running should be the exact same source code and driver used
>> > under all X11 systems (Linux included).
>>
>> Sounds somewhat like it, but there could still be decisive differences -
>> much of this software abounds with conditional compilation statements
>> implementing target specific functionality - or non-functionality.
>> But I don't have the code around now, and not _quite_ the spare time
>> needed to analyze it...
>>
>> > The probably difference is that I use a xorg.conf file to specify
>>
>> This could be a factor, the auto detection mechanisms aren't always too
>> brilliant in guessing what can be used and what should be left, that's
>> right.
>> But there might be other factors, too. E.g., if the driver cannot get
>> sufficient memory for a higher resolution, it cannot support it. And
>> that's completely outside the drivers competence.
>> Anyway, it's not easy to tell why Julio's machine doesn't provide full
>> resolution when using the VESA driver.
>>
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>>
>>
>>
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