Re: Detect Monitor Resolution

[Matthias L. <mat...@ke...>]

Hi,

On 11/27/2014 06:36 PM, Nobody III wrote:
> What I'm most interested in is x86 and VESA. That's my configuration for
> everything beside the Raspberry Pi, which already works. It's also the
> most common desktop configuration, which should probably make it the
> highest priority of the supported platforms.

That means you have DDC working on the Raspi? For VESA you just have to
make the right calls (do not remember them from the top of my head, but
they are in the spec) into the VESA Bios to read the EDID. Then you are
good to go.

Best,
Matthias.

> 
> On Thu, Nov 27, 2014 at 8:58 AM, Matthias Lange
> <mat...@ke... <mailto:mat...@ke...>>
> wrote:
> 
>     Hi,
> 
>     On 11/26/2014 09:49 PM, Nobody III wrote:
>     > A common feature in modern operating systems is automatic
>     detection of a
>     > monitor's ideal/native resolution. How feasible would it be to add
>     this
>     > to Genode?
> 
>     Without knowing all the details about Genode's framework this is
>     definitely possible. It basically comes down to
> 
>     1. Which platform you want to target and
>     2. how much engineering effort you are willing to spend.
> 
>     If it is x86 and the video connector is handled by VESA it is easy. It
>     gets more complicated for displays connected via LVDS (usually all
>     laptop screens) as you will need drivers for the southbridge and I2C. On
>     ARM platforms you will most likely need GPIO and I2C drivers.
> 
>     Best,
>     Matthias.
> 
> 
>     --
>     Matthias Lange, mat...@ke...
>     <mailto:mat...@ke...>, +49 - 351 - 41 88 86 14
>     <tel:%2B49%20-%20351%20-%2041%2088%2086%2014>
> 
>     Kernkonzept GmbH.  Sitz: Dresden.  Amtsgericht Dresden, HRB 31129.
>     Geschäftsführer: Dr.-Ing. Michael Hohmuth
> 
> 


-- 
Matthias Lange, mat...@ke..., +49 - 351 - 41 88 86 14

Kernkonzept GmbH.  Sitz: Dresden.  Amtsgericht Dresden, HRB 31129.
Geschäftsführer: Dr.-Ing. Michael Hohmuth