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nixos/manual: remove references to rocm-runtime-ext

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rocm-runtime-ext is not needed anymore for OpenCL image support.
This commit is contained in:
Daniël de Kok 2020-08-21 08:46:44 +02:00
parent 5ce029d582
commit 95e5089607
1 changed files with 1 additions and 24 deletions
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25
nixos/doc/manual/configuration/gpu-accel.xml
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@ -70,35 +70,12 @@ Platform Vendor Advanced Micro Devices, Inc.</screen>
Core Next</link> (GCN) GPUs are supported through the
<package>rocm-opencl-icd</package> package. Adding this package to
<xref linkend="opt-hardware.opengl.extraPackages"/> enables OpenCL
support. However, OpenCL Image support is provided through the
non-free <package>rocm-runtime-ext</package> package. This package can
be added to the same configuration option, but requires that
<varname>allowUnfree</varname> option is is enabled for nixpkgs. Full
OpenCL support on supported AMD GPUs is thus enabled as follows:
support:
<programlisting><xref linkend="opt-hardware.opengl.extraPackages"/> = [
rocm-opencl-icd
rocm-runtime-ext
];</programlisting>
</para>
<para>
It is also possible to use the OpenCL Image extension without a
system-wide installation of the <package>rocm-runtime-ext</package>
package by setting the <varname>ROCR_EXT_DIR</varname> environment
variable to the directory that contains the extension:
<screen><prompt>$</prompt> export \
ROCR_EXT_DIR=`nix-build '&lt;nixpkgs&gt;' --no-out-link -A rocm-runtime-ext`/lib/rocm-runtime-ext</screen>
</para>
<para>
With either approach, you can verify that OpenCL Image support
is indeed working with the <command>clinfo</command> command:
<screen><prompt>$</prompt> clinfo | grep Image
Image support Yes</screen>
</para>
</section>
<section xml:id="sec-gpu-accel-opencl-intel">