76 lines
3.1 KiB
Bash
76 lines
3.1 KiB
Bash
#!/bin/sh
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#
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# Copyright (C) 2023 Ruben Rodriguez <ruben@trisquel.info>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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VERSION=1
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. ./config
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cat << EOF > conf/10-radeon.conf
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# These configurations are required to correct issues with AMD graphics cards when
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# they are run without firmware (as is the case in Trisquel). If you were
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# to install the nonfree firmware, comment out the first block and uncomment
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# the second, to revert to default settings.
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#
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# You may also need to check/edit /etc/modprobe.d/blacklist-amdgpu.conf
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# More info: https://libreplanet.org/wiki/Group:Hardware/research/gpu/radeon
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# https://en.wikipedia.org/wiki/List_of_AMD_graphics_processing_units
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#
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# == More information on AMD graphics cards drivers in Trisquel ==
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#
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# * Cards using the /drm/radeon kernel module:
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# - Models released between ~2000 and ~2013
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# - Product names: Radeon 7000-9000, X700-X1000, HD2000-HD7000, and Radeon 200
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# - Use the "radeon" kernel module. This module works in Trisquel 11 or newer even
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# without nonfree firmware blobs, although those are required for 3D/2D acceleration.
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# - These cards don't initialize correctly if the radeon kernel module were to be disabled,
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# unless the kernel parameter 'nomodeset' is used to disable modesetting. In that case,
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# the non-accelerated vesa driver is used. The radeon module is enabled in Trisquel >= 11
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#
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# * Cards using the /drm/amdgpu kernel module:
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# - Models released starting 2015
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# - Product names: Radeon 200-600, Radeon RX Vega, Radeon VII, Radeon RX 5000 or newer
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# - Use the "amdgpu" kernel module. This module does not work without nonfree firmware
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# so it is disabled in Trisquel at /etc/modprobe.d/blacklist-amdgpu.conf
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# - Those cards seem to work correctly without the amdgpu module, and they revert to
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# using the vesa driver without the need to use kernel parameters.
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Section "OutputClass"
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Identifier "Radeon"
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MatchDriver "radeon"
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Driver "modesetting"
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Option "AccelMethod" "none"
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Option "SWCursor" "True"
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EndSection
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#Section "OutputClass"
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# Identifier "Radeon"
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# MatchDriver "radeon"
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# Driver "radeon"
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#EndSection
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EOF
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# Install the configuration file to /etc so user edits are permanent
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sed 's|usr/share/X11/xorg.conf.d|etc/X11/xorg.conf.d|' -i debian/xserver-xorg-video-radeon.install
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sed 's|--libdir=/usr/lib|--libdir=/usr/lib --with-xorg-conf-dir=/etc/X11/xorg.conf.d|' -i debian/rules
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changelog "Custom config file to work without nonfree firmware"
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package
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