Max resolution of Intel Graphics Chipsets

[Jin, Gordon]

Erwin Rol wrote on Tuesday, July 01, 2008 7:55 AM:
> On Tue, 2008-07-01 at 01:26 +0200, Tomas Carnecky wrote:
>> Erwin Rol wrote:
>>> Hello all,
>>> 
>>> I am looking for a solution where I can connect two TFT's of
>>> 1440x900, and display different images on those TFT's.
>>> 
>>> Most Intel chipsets support two independent outputs, but it seems
>>> that the internal framebuffer is the limiting factor here. I would
>>> need 2880x900 or 1440x1800 (the layout is not important).
>>> 
>>> For example, do I understand correct that for example the Intel 915
>>> chipset does support two outputs of 1440x900 (or even larger), but
>>> that the internal framebuffer only can be 2048x1536?
>>> 
>>> I checked several Intel chipsets and they all seem to be "limited"
>>> to 2048x1536. Are there Intel chipsets that can do for example
>>> 2048x2048, so it can fit a 1440x1800 resolution?
>> 
>> $ xrandr
>> Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 4096 x
>> 1440 ... 
>> 
> 
> Weird the datasheet mentions a maximum resolution of ;
> - Supports flat panels up to 2048x1536 @ 60 Hz or digital CRT/HDTV at
> 1920x1080 @ 85 Hz

This is talking about one output, not frame buffer.

The framebuffer 2048x2048 can work on your 915. If you need larger frame
buffer AND 3d (dri), you need 965.
For this limitation, see
https://bugs.freedesktop.org/show_bug.cgi?id=10479.

-Gordon