/dev/dri/card0: No such file or directory - where issue is?

[warpme]

Hi,
I'm trying quickly setup Xorg on RPI2.
It starts but in Xorg log I see:
$this->bbcode_second_pass_code('', '[ 219.604] (EE) open /dev/dri/card0: No such file or directory')

and probably in consequene:
$this->bbcode_second_pass_code('', '[ 219.714] (II) AIGLX: Screen 0 is not DRI2 capable
[ 219.714] (EE) AIGLX: reverting to software rendering')

Looking in /dev indeed there is no any DRI device.
Probably some packages are missing - but I can't deduce what exactly is missing.

May somebody quickly help me with this?