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Hardcoded variables at top of script instead of spreading throughout. Backup EDID, but no restore yet

This commit is contained in:
Syboxez Blank 2024-11-27 13:20:16 -06:00
parent 372425738b
commit 62fe8600e7
1 changed files with 27 additions and 8 deletions
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35
gfx/temp-hack/swedid-root
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@ -3,19 +3,39 @@
# This script requires running as root. "sudo" is called from "gfx/video_crt_switch.c", thus requiring a sudoers rule to non-interactively grant root permissions when running "/usr/local/bin/swedid-root" (this script)
# switchres binary must be in root's PATH
# Hardcoding Display for now as DP-1
# TODO: Get below values from RetroArch's video output settings instead of hardcoding.
# Hardcode GPU number and Display name. Change these before running.
_display="DP-1"
_gpu="1"
# Hardcode ini path or switchres monitor preset. Change this before running
_sw_args="--ini /home/syboxez/.config/retroarch/config/switchres.ini"
# Change $3 to $5 when no longer hardcoding Display or GPU
if [ -z "$3" ]; then
echo "Usage: $0 [HRes] [VRes] [VFreq] [Display]"
echo "Usage: $0 [HRes] [VRes] [VFreq] [GPU Num] [Display]"
exit 1
fi
# Hardcoding Display
# Change $4 to $6 when no longer hardcoding
if [ -n "$4" ]; then
echo "Too many arguments"
echo "Usage: $0 [HRes] [VRes] [VFreq] [Display]"
echo "Usage: $0 [HRes] [VRes] [VFreq] [GPU Num] [Display]"
exit 1
fi
# Backup EDID if backup doesn't exist
# Currently hardcoding GPU number and display name. Change this before running!
if [ ! -f /tmp/edid.bak ]; then
echo "Backing up EDID to /tmp/edid.bak"
dd if=/sys/class/drm/card"$_gpu"-"$_display"/edid of=/tmp/edid.bak bs=256
else
echo "EDID already backed up to /tmp/edid.bak. Skipping backup."
fi
# TODO: Restore EDID after RA closes instead of attempting to use xrandr, which is what happens now.
# Generate temperary working directory to generate EDID binary, then delete after applying
_tmpdir=$(mktemp -d)
if [ -z "$_tmpdir" ]; then
@ -24,11 +44,10 @@ if [ -z "$_tmpdir" ]; then
fi
cd "$_tmpdir"
switchres --ini /home/syboxez/.config/retroarch/config/switchres.ini --edid $1 $2 $3
switchres $_sw_args --edid $1 $2 $3
#Replace "1" with GPU number, replace "DP-1" with display
cat "$_tmpdir"/custom.bin > /sys/kernel/debug/dri/1/DP-1/edid_override
echo 1 > /sys/kernel/debug/dri/1/DP-1/trigger_hotplug
cat "$_tmpdir"/custom.bin > /sys/kernel/debug/dri/"$_gpu"/"$_display"/edid_override
echo 1 > /sys/kernel/debug/dri/"$_gpu"/"$_display"/trigger_hotplug
cd /tmp
rm -rf "$_tmpdir"