Booting with usplash leaves the console in 800x600 mode on PS3

When booting with usplash on, the VTs and gdm end up stuck in 800x600 mode. When booting without usplash they take the maximum available screen area.

DEBUG INFO: WITHOUT SPLASH

daniel@ps3ubuntu:~$ xrandr
Screen 0: minimum 1124 x 644, current 1124 x 644, maximum 1124 x 644
default connected 1124x644+0+0 0mm x 0mm
   1124x644 60.0*

daniel@ps3ubuntu:~$ fbset
mode "1124x644-60"
    # D: 74.178 MHz, H: 44.957 kHz, V: 59.942 Hz
    geometry 1124 644 1124 644 32
    timings 13481 298 148 57 44 80 5
    bcast true
    rgba 8/16,8/8,8/0,8/24
endmode

daniel@ps3ubuntu:~$ ps3-video-mode
3

DEBUG INFO: WITH SPLASH

daniel@ps3ubuntu:~$ xrandr
Screen 0: minimum 800 x 600, current 800 x 600, maximum 800 x 600
default connected 800x600+0+0 0mm x 0mm
   800x600 60.0*

daniel@ps3ubuntu:~$ fbset

mode "800x600-60"
    # D: 74.178 MHz, H: 44.957 kHz, V: 59.942 Hz
    geometry 800 600 800 600 32
    timings 13481 460 310 79 66 80 5
    bcast true
    rgba 8/16,8/8,8/0,8/24
endmode

daniel@ps3ubuntu:~$ ps3-video-mode
3

USPLASH.CONF

daniel@ps3ubuntu:~$ cat /etc/usplash.conf

# Usplash configuration file
xres=800
yres=600