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AMD Dynamic Switchable Graphics for Radeon (PRIME)

Some current laptops include two graphic cards with different abilities and power consumptions ā€“ often known as a hybrid graphic.

If you own one like that with a combination of intel and amd this you need to manage how the OS and system will handle them.

The idea is that a low-power INTEL-GPU is used for normal use and for more powerful application use like gaming you can switch to the more powerful AMD-GPU.

The recommended way is to use open-source drivers.
So install ati and intel open-source-drivers:

sudo pacman -S xf86-video-ati xf86-video-intel

If you have a newer AMD GPU you may need xf86-video-amdgpu installed instead of the ati driver.

By default, without any xorg.conf file the system starts with intel driver. To use radeon card you have two possibilities:

1. Using xorg-conf file

If you want manual configuration, create /etc/X11/xorg.conf.d/20-radeon.conf, and add the following:

Section "Device"
    Identifier "Radeon"
    Driver "radeon"

2. PRIME Render Offload

DRI_PRIME=1 program

can be used to start a game (or other) on the AMD GPU while default used GPU is the intel one.

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AMD Dynamic Switchable Graphics for Radeon (PRIME)

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