Revert to version 20.40

Newer versions ignore the --no-dkms option resulting in a huge build

Author: Carlos Berroteran

Dockerfile

@@ -5,7 +5,7 @@ ARG DEBIAN_FRONTEND=noninteractive
 ENV TZ America/Caracas
 
 LABEL Name=amdgpu-opencl
-LABEL Version=20.10
+LABEL Version=20.04
 LABEL maintainer="Carlos Berroteran (cebxan)"
 
 RUN apt-get -y update && apt-get install -y --no-install-recommends \
@@ -14,19 +14,18 @@ RUN apt-get -y update && apt-get install -y --no-install-recommends \
     curl \
     xz-utils \
     libpci3 \
-    initramfs-tools \
     && rm -rf /var/lib/apt/lists/*
 
-FROM base
-
 ARG AMD_SITE_URL="https://drivers.amd.com/drivers/linux/"
 ARG PREFIX="amdgpu-pro-"
 ARG POSTFIX="-ubuntu-20.04"
-ARG VERSION_MAJOR="21.10"
-ARG VERSION_MINOR="1247438"
+ARG VERSION_MAJOR="20.40"
+ARG VERSION_MINOR="1147286"
 ARG AMDGPU_VERSION="${PREFIX}${VERSION_MAJOR}-${VERSION_MINOR}${POSTFIX}"
 
+WORKDIR /tmp
+
 RUN curl --referer ${AMD_SITE_URL} -O ${AMD_SITE_URL}${AMDGPU_VERSION}.tar.xz \
     && tar -Jxvf ${AMDGPU_VERSION}.tar.xz \
-    && ${AMDGPU_VERSION}/amdgpu-install -y --opencl=rocr,legacy --headless --no-dkms --no-32 \
-    && rm -rf amdgpu-pro-*
+    && ${AMDGPU_VERSION}/amdgpu-install -y --opencl=pal,legacy --headless --no-dkms \
+    && rm -rf amdgpu-pro-* /var/opt/amdgpu-pro-local