Adjusting basic video driver testcase for UEFI systems

[Jan Sedlak]

So if I understand it correctly, appending "nomodeset" on BIOS system should lead to usage of VESA driver and appending "nomodeset" on UEFI system should lead to usage of GOP via efifb driver, so this https://bugzilla.redhat.com/show_bug.cgi?id=984455 is incorrect behaviour.

----- Original Message -----
From: "Adam Jackson" <ajax at redhat.com>
To: "For testing and quality assurance of Fedora releases" <test at lists.fedoraproject.org>
Sent: Friday, July 12, 2013 7:15:42 PM
Subject: Re: Adjusting basic video driver testcase for UEFI systems

On Fri, 2013-07-12 at 09:06 -0400, Kamil Paral wrote:
> > But if you say 'nomodeset' on kcmdline you'll stick with efifb
> > at runtime, so in that sense testing this is the same as with BIOS
> > systems.
> > The visible difference at X time is that you'll be using the fbdev
> > driver instead of the vesa driver, and that RANDR won't work.
> 
> Ajax,
> 
> for the purposes of a test case, what's the reliable way to detect
> that the machine uses efifb driver (instead of, say, nouveau or
> cirrus)? Is there a better way than to scan Xorg.0.log?

The X log is the place to discover what X driver is in use.

- ajax

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