Mailinglist Archive: opensuse-factory (661 mails)

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Re: [opensuse-factory] Kernel Mode Setting (KMS) for openSUSE.
  • From: Egbert Eich <eich@xxxxxxx>
  • Date: Fri, 4 Dec 2009 08:19:52 +0100
  • Message-id: <20091204071952.GA9788@xxxxxxxxxxxxxxxx>
On Thu, Dec 03, 2009 at 07:27:58PM -0500, Felix Miata wrote:
On 2009/12/03 14:38 (GMT+0100) Egbert Eich composed:
[a lot]

Is it naive to expect KMS will have no negative impact on my ability to run
1856x1392 on tty7 while running 1400x1050 on tty8 while running 1024x768 on
tty9 using a single gfx card and display and open source driver?

This begs the question why you want to do this.
The majority of users today run flat panel monitors (I know there are
exceptions and there is no need to try to convince me differently).
Flat panels work well on their native resolution. Anything other
than native resolution will get rescaled internally and will look
fuzzy or blurry in some way. Thus you want to run it at its native
resolution as much as possible.
DDC tells the 'preferred mode' and KMS will try to set it on startup.
This should prevent you from ever having to switch modes.

However there is nothing in KMS that prevents you from switching modes.
I'm not sure if you can have different resolutions on different virtual
text consoles (or if chaning it for one console it will change it for all)
but if you run X for example it will be able to set a different resolution
than your text console.
There is nothing in the design of KMS that would prevent this.


Egbert Eich (Res. & Dev.) SUSE LINUX Products GmbH
X Window System Development
Tel: +49 911-740 53 0
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
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