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brain-config
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Reads in gpu_mem_<size> settings and clears them when writing.

This commit is contained in:
spl 2016-04-21 16:02:13 +01:00 committed by Serge Schneider
parent 74e81c1c89
commit a4397f7335
1 changed files with 22 additions and 2 deletions
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24
raspi-config
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@ -331,8 +331,20 @@ do_memory_split() { # Memory Split
return 1
fi
## get current memory split from /boot/config.txt
CUR_GPU_MEM=$(get_config_var gpu_mem $CONFIG)
[ -z "$CUR_GPU_MEM" ] && CUR_GPU_MEM=64
arm=$(vcgencmd get_mem arm | cut -d '=' -f 2 | cut -d 'M' -f 1)
gpu=$(vcgencmd get_mem gpu | cut -d '=' -f 2 | cut -d 'M' -f 1)
tot=$(($arm+$gpu))
if [ $tot -gt 512 ]; then
CUR_GPU_MEM=$(get_config_var gpu_mem_1024 $CONFIG)
elif [ $tot -gt 256 ]; then
CUR_GPU_MEM=$(get_config_var gpu_mem_512 $CONFIG)
else
CUR_GPU_MEM=$(get_config_var gpu_mem_256 $CONFIG)
fi
if [ -z "$CUR_GPU_MEM" ] || [ $CUR_GPU_MEM = "0" ]; then
CUR_GPU_MEM=$(get_config_var gpu_mem $CONFIG)
fi
[ -z "$CUR_GPU_MEM" ] || [ $CUR_GPU_MEM = "0" ] && CUR_GPU_MEM=64
## ask users what gpu_mem they want
if [ "$INTERACTIVE" = True ]; then
NEW_GPU_MEM=$(whiptail --inputbox "How much memory should the GPU have? e.g. 16/32/64/128/256" \
@ -342,6 +354,14 @@ do_memory_split() { # Memory Split
true
fi
if [ $? -eq 0 ]; then
if [ $(get_config_var gpu_mem_1024 $CONFIG) != "0" ] || [ $(get_config_var gpu_mem_512 $CONFIG) != "0" ] || [ $(get_config_var gpu_mem_256 $CONFIG) != "0" ]; then
if [ "$INTERACTIVE" = True ]; then
whiptail --msgbox "Device-specific memory settings were found. These have been cleared." 20 60 2
fi
clear_config_var gpu_mem_1024 $CONFIG
clear_config_var gpu_mem_512 $CONFIG
clear_config_var gpu_mem_256 $CONFIG
fi
set_config_var gpu_mem "$NEW_GPU_MEM" $CONFIG
ASK_TO_REBOOT=1
fi