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#AMD RADEON HD 7340 DISCRETE CLASS GRAPHICS DRIVERS INSTALL#
#AMD RADEON HD 7340 DISCRETE CLASS GRAPHICS DRIVERS DRIVER#

Performance tuning Enabling video acceleration

#AMD RADEON HD 7340 DISCRETE CLASS GRAPHICS DRIVERS DRIVER#

Using this section, you can enable features and tweak the driver settings. If you want manual configuration, create /etc/X11//nf, and add the following: Configuration is only required for tuning the driver. Xorg will automatically load the driver and it will use your monitor's EDID to set the native resolution.

Also, check that you have not disabled radeon by using any kernel module blacklisting.

Make sure you do not have nomodeset or vga= as a kernel parameter, since radeon requires KMS.

The radeon kernel module should load fine automatically on system boot. Support for accelerated video decoding is provided by mesa-vdpau and lib32-mesa-vdpau packages.

#AMD RADEON HD 7340 DISCRETE CLASS GRAPHICS DRIVERS INSTALL#

For the DDX driver (which provides 2D acceleration in Xorg), install the xf86-video-ati package.

For 32-bit application support, also install the lib32-mesa package from the multilib repostory.

Install the mesa package, which provides the DRI driver for 3D acceleration. See the feature matrix to know what is supported and the decoder ring to translate marketing names (e.g. If unsure, try this open source driver first, it will suit most needs and is generally less problematic.

13.10 Horizontal flickering occasionally when using 4k DP output on 390Xĭepending on the card you have, find the right driver in Xorg#AMD.

13.9 QHD / UHD / 4k support over HDMI for older Radeon cards.

13.8 R9-390 Poor Performance and/or Instability.

13.7 DisplayPort stays black on multimonitor mode.

13.6 Cursor corruption after coming out of sleep.

13.5 ATI X1600 (RV530 series) 3D application show black windows.

13.4 Black screen and no console, but X works in KMS.

13.3 TV showing a black border around the screen.

13.2 Adding undetected/unsupported resolutions.

13.1 Performance and/or artifacts issues when using EXA.7.2.2 Profile-based frequency switching.6 Hybrid graphics/AMD Dynamic Switchable Graphics.