This can help reduce heat and increase battery life by reducing power usage at the expense of performance. This attribute is useful for things like clone mode where the user can best decide which display should be synced. With XAA, specifying lower percentage than what gets reserved without this option has no effect, but the driver tries to increase the video RAM reserved for textures to the amount specified roughly. Enables or disables all hardware acceleration. Check the version of Ubuntu you have installed: Valid values are 16 and Used to prevent flickering or tearing problem caused by display buffer underflow.

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[ubuntu] HPp & Mobility Radeon x & ATI Catalyst

Enables or disables all hardware acceleration. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Tiled mode can provide significant performance benefits with 3D applications. The default is EXA. Thank you very much.


If disabled, no scanline synchronization is performed, meaning tearing will likely occur. Mobility Radeon HD v. Mobility Radeon IGP. Mobility Radeon HD X2. Instead configure all display parameters using the Catalyst Control Center–Linux Edition or the aticonfig command line interface. Mobiity output name is the RandR output name, e. Bookmarks Bookmarks Digg del.

So the results don’t have to be representative for all laptops with this GPU.

ATI Catalyst Display Driver 9.1 for Linux

To know which version of the Linux kernel you have installed, type this text in a terminal window: But now I need the 3d acceleration feature currently I am using freedesktop radeon driver and it works fine for 2d if I remember correctly.

For best performance and ease of use, AMD recommends the following: It has three values: Radeon RX Desktop. You have been warned. Just get a garbled X server that is completely locked up rsdeon need to hard reset raveon off to restart the machine.

Release Notes Related Drivers Chipset Graphics cards and APUs I appreciate any suggestion. You can select more than one device. GeForce 4 Lihux. Only valid on PowerPC. Make sure your OpenGL renderer string does not say “software rasterizer” or “llvmpipe” because that would mean you have no 3D hardware acceleration: For detailled information on the benchmark results, click on the fps number.


TV-out is experimental and may not function on these chips as well as hoped for.

Won’t work at all. This driver provides 2D and 3D acceleration in your video hardware. The default value is off.

The default is on. Some Radeon BIOSes report a minimum dot clock unsuitable too high for use with television sets even when they actually can produce lower dot clocks.

The default is to enable hardware acceleration.