Since my use case is the exact opposite I don’t know exactly what would work for you.
I use this to force it to use the IGPU in steam etc DRI_PRIME=0 MESA_VK_DEVICE_SELECT=1002:15bf!
This thread might be more in line with what you need
Since my use case is the exact opposite I don’t know exactly what would work for you.
I use this to force it to use the IGPU in steam etc DRI_PRIME=0 MESA_VK_DEVICE_SELECT=1002:15bf!
This thread might be more in line with what you need