Update README to add information about Linux DSDT patch

README.md

@@ -55,6 +55,9 @@ Use the provided **buildffs.py** script after cloning inside an [edk2](https://g
 ### Will it work on a PCIe Gen2 system ?
 Previously it was thought that it won't work on PCIe Gen2 systems but one user had it work with an i5 2500k.
 
+### Can I use Resizable BAR on my system without modifying BIOS ?
+You can use Linux with **4G Decoding on**, recent versions will automatically resize and allocate GPU BARs. If your BIOS doesn't have the 4G decoding option or the DSDT is faulty you can also follow the [Arch wiki guide for DSDT modification](https://wiki.archlinux.org/title/DSDT#Recompiling_it_yourself) using the modifications from [DSDT Patching](https://github.com/xCuri0/ReBarUEFI/wiki/DSDT-Patching) and boot with ```pci=realloc```.
+
 ### I set an unsupported BAR size and my system won't boot
 Clear CMOS and Resizable BAR should be disabled. In some cases it may be necessary to remove the CMOS battery for Resizable BAR to disable.