display problem Mint 16 petra x86_64 - Radeon HD 8450G

i am having this problem...

I can run a ubuntu-bug when I get home..

here is the info I have now.

display problem 16 petra x86_64 - Radeon HD 8450G

i just bought a lenovo thinkpad edge.
installed Linux Mint 16 Petra .

my display is making strange lines and blinking .. i assume i have a driver issue??

the card is a VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Richland [Radeon HD 8450G]

ThinkPad-Edge-E545 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

ThinkPad-Edge-E545 ~ $ lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Complex
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Richland [Radeon HD 8450G]
00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Trinity HDMI Audio Controller
00:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Port
00:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Port
00:07.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Root Port
00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09)
00:10.1 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09)
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 40)
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11)
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11)
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11)
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11)
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 16)
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 01)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] FCH PCI Bridge (rev 40)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 10h-1fh) Processor Function 5
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 07)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188EE Wireless Network Adapter (rev 01)
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)

lsmod
Module Size Used by
bnep 19564 2
rfcomm 69070 0
parport_pc 32701 0
ppdev 17671 0
bluetooth 371874 10 bnep,rfcomm
joydev 17377 0
arc4 12608 2
rtl8188ee 89614 0
rtl_pci 26641 1 rtl8188ee
rtlwifi 63229 2 rtl_pci,rtl8188ee
mac80211 596969 3 rtl_pci,rtlwifi,rtl8188ee
kvm_amd 59958 0
kvm 431315 1 kvm_amd
cfg80211 479757 2 mac80211,rtlwifi
snd_hda_codec_conexant 56945 1
psmouse 97626 0
snd_hda_codec_hdmi 41276 1
thinkpad_acpi 80701 0
serio_raw 13413 0
snd_hda_intel 48171 5
dm_multipath 22843 0
scsi_dh 14882 1 dm_multipath
snd_hda_codec 188738 3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel
uvcvideo 80885 0
microcode 23518 0
i2c_piix4 22106 0
nvram 14362 1 thinkpad_acpi
videobuf2_vmalloc 13216 1 uvcvideo
videobuf2_memops 13362 1 videobuf2_vmalloc
videobuf2_core 40469 1 uvcvideo
videodev 133390 2 uvcvideo,videobuf2_core
snd_seq_midi 13324 0
snd_seq_midi_event 14899 1 snd_seq_midi
snd_rawmidi 30095 1 snd_seq_midi
snd_hwdep 13602 1 snd_hda_codec
snd_seq 61560 2 snd_seq_midi_event,snd_seq_midi
snd_pcm 102033 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
rtsx_pci_ms 18151 0
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
k10temp 13126 0
memstick 16760 1 rtsx_pci_ms
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29433 2 snd_pcm,snd_seq
snd 69141 22 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
soundcore 12680 1 snd
mac_hid 13205 0
binfmt_misc 17468 1
lp 17759 0
parport 42299 3 lp,ppdev,parport_pc
ext2 72832 1
dm_crypt 22728 2
dm_mirror 22056 0
dm_region_hash 20784 1 dm_mirror
dm_log 18411 2 dm_region_hash,dm_mirror
rtsx_pci_sdmmc 23527 0
crct10dif_pclmul 14289 0
crc32_pclmul 13113 0
ghash_clmulni_intel 13259 0
aesni_intel 55624 444
radeon 1402449 3
aes_x86_64 17131 1 aesni_intel
lrw 13257 1 aesni_intel
gf128mul 14951 1 lrw
glue_helper 13990 1 aesni_intel
ablk_helper 13597 1 aesni_intel
cryptd 20329 223 ghash_clmulni_intel,aesni_intel,ablk_helper
i2c_algo_bit 13413 1 radeon
ttm 83995 1 radeon
drm_kms_helper 52651 1 radeon
drm 296739 5 ttm,drm_kms_helper,radeon
r8169 67341 0
ohci_pci 13561 0
mii 13934 1 r8169
ahci 25819 2
libahci 31898 1 ahci
rtsx_pci 45546 2 rtsx_pci_ms,rtsx_pci_sdmmc
wmi 19070 0
video 19318 0

lshw -c display
*-display
description: VGA compatible controller
product: Richland [Radeon HD 8450G]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 1
bus info: pci@0000:00:01.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:49 memory:e0000000-efffffff ioport:3000(size=256) memory:f0300000-f033ffff

here is a video of what my display is doing.

https://www.dropbox.com/s/cukff4yk8yu6068/card.mp4