i915 modesetting doesn't load with i915.modeset=1

[sean darcy]

On 12/07/2012 11:34 AM, Chris Wilson wrote:
> On Fri, 07 Dec 2012 10:49:39 -0500, sean darcy <seandarcy2 at gmail.com> wrote:
>> On Fedora 17:
>> xorg-x11-server-Xorg-1.12.4-1.fc17.x86_64
>> xorg-x11-drv-intel-2.20.15-1.fc17.x86_64
>> kernel-3.6.9-2.fc17.x86_64
>>
>> Xorg.0.log:
>> Kernel command line: BOOT_IMAGE=/vmlinuz-3.6.9-2.fc17.x86_64
>> root=UUID=b3210043-6e26-4717-970e-645a433d8b5e ro rd.md=0 rd.lvm=0
>> rd.dm=0 i915.modeset=1 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rd.luks=0
>> LANG=en_US.UTF-8
>> .......
>> [    39.972] (II) LoadModule: "modesetting"
>> [    39.989] (WW) Warning, couldn't open module modesetting
>> [    39.989] (II) UnloadModule: "modesetting"
>> [    39.989] (II) Unloading modesetting
>> [    39.989] (EE) Failed to load module "modesetting" (module does not
>> exist, 0)
>> ..........
>>
>> Is there really a module "modesetting"? Isn't it an aspect of the
>> driver? And doesn't the kernel parameter turn it "on"?
>
> 'modesetting' here refers to xf86-video-modesetting which is the minimal
> driver to enable X to run on top of a KMS device. Similar in nature to
> vesa (and fbdev), it is unaccelerated but allows the full range of video
> modes exposed by the device.
> -Chris
>

Forgive the stupid question, but do you need the modesetting module to 
access KMS if you're using i915?

sean