Buyrun..
[1]cheops@atmaca ~ $ sudo aticonfig --sync-video=on
[sudo] password for cheops:
failed to set textured video sync
Warning: Option 'TexturedVideoSync' doesn't affect running session.
Using /etc/X11/xorg.conf
Saving back-up to /etc/X11/xorg.conf.fglrx-5
cheops@atmaca ~ $ glxinfo | grep render
direct rendering: Yes
OpenGL renderer string: AMD Radeon HD 5700 Series
GL_KTX_buffer_region, GL_NV_blend_square, GL_NV_conditional_render,
GL_KTX_buffer_region, GL_NV_blend_square, GL_NV_conditional_render,
cheops@atmaca ~ $ cat /etc/X11/xorg.conf
Section "ServerLayout"
Identifier "aticonfig Layout"
Screen 0 "aticonfig-Screen[0]-0" 0 0
EndSection
Section "Module"
EndSection
Section "Monitor"
Identifier "aticonfig-Monitor[0]-0"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
EndSection
Section "Device"
Identifier "aticonfig-Device[0]-0"
Driver "fglrx"
Option "TexturedVideoSync" "on"
BusID "PCI:2:0:0"
EndSection
Section "Screen"
Identifier "aticonfig-Screen[0]-0"
Device "aticonfig-Device[0]-0"
Monitor "aticonfig-Monitor[0]-0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
cheops@atmaca ~ $ fglrxinfo
display: :0 screen: 0
OpenGL vendor string: Advanced Micro Devices, Inc.
OpenGL renderer string: AMD Radeon HD 5700 Series
OpenGL version string: 4.3.12795 Compatibility Profile Context 13.35.1005
cheops@atmaca ~ $