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75 lines
2.2 KiB
75 lines
2.2 KiB
#!/bin/bash |
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# called by dracut |
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check() { |
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return 255 |
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} |
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# called by dracut |
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depends() { |
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return 0 |
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} |
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# called by dracut |
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installkernel() { |
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local _modname |
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# Include KMS capable drm drivers |
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drm_module_filter() { |
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local _drm_drivers='drm_crtc_init' |
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local _ret |
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# subfunctions inherit following FDs |
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local _merge=8 _side2=9 |
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function nmf1() { |
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local _fname _fcont |
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while read _fname; do |
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case "$_fname" in |
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*.ko) _fcont="$(< $_fname)" ;; |
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*.ko.gz) _fcont="$(gzip -dc $_fname)" ;; |
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*.ko.xz) _fcont="$(xz -dc $_fname)" ;; |
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esac |
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[[ $_fcont =~ $_drm_drivers |
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&& ! $_fcont =~ iw_handler_get_spy ]] \ |
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&& echo "$_fname" |
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done |
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} |
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function rotor() { |
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local _f1 _f2 |
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while read _f1; do |
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echo "$_f1" |
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if read _f2; then |
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echo "$_f2" 1>&${_side2} |
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fi |
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done | nmf1 1>&${_merge} |
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} |
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# Use two parallel streams to filter alternating modules. |
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set +x |
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eval "( ( rotor ) ${_side2}>&1 | nmf1 ) ${_merge}>&1" |
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[[ $debug ]] && set -x |
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return 0 |
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} |
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if [[ "$(uname -p)" == arm* ]]; then |
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# arm specific modules needed by drm |
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instmods \ |
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"=drivers/gpu/drm/i2c" \ |
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"=drivers/gpu/drm/panel" \ |
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"=drivers/pwm" \ |
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"=drivers/video/backlight" \ |
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"=drivers/video/fbdev/omap2/displays-new" \ |
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${NULL} |
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fi |
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for _modname in $(find_kernel_modules_by_path drivers/gpu/drm \ |
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| drm_module_filter) ; do |
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# if the hardware is present, include module even if it is not currently loaded, |
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# as we could e.g. be in the installer; nokmsboot boot parameter will disable |
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# loading of the driver if needed |
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if [[ $hostonly ]] && modinfo -F alias $_modname | sed -e 's,\?,\.,g' -e 's,\*,\.\*,g' \ |
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| grep -qxf - /sys/bus/{pci/devices,soc/devices/soc?}/*/modalias 2>/dev/null; then |
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hostonly='' instmods $_modname |
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continue |
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fi |
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instmods $_modname |
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done |
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}
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