The version of X,org in 5.4 current is new enough that most configuration should be done automagically.
The advantage I alluded to is that using an
/etc/xorg.conf.d is that you can override the automagic configuration one element at at time. When you try to use the older xorg.conf, the entire configuration has to to be both correct and complete. Commonly, it will indicate that screens are not configured.
If you use an xorg.conf.d, which is a directory and not a file, is that you can just change just the video driver. As in the example the rage128 driver over rides and leave the system to set up the input devices, screens, modules and fonts. The same short entry would also be where you could add the options for NoAccell and turn off the framebuffer.
From the Arch Linux
wiki
Quote:
Configuration
Note: Arch supplies default configuration files in /etc/X11/xorg.conf.d, and no extra configuration is necessary for most setups.
Xorg uses a configuration file called xorg.conf and files ending in the suffix .conf for its initial setup: the complete list of the folders where these files are searched can be found at [1] or by running man xorg.conf, together with a detailed explanation of all the available options.
Using .conf files
The /etc/X11/xorg.conf.d/ directory stores user-specific configuration. You are free to add configuration files there, but they must have a .conf suffix: the files are read in ASCII order, and by convention their names start with XX- (two digits and a hyphen, so that for example 10 is read before 20). These files are parsed by the X server upon startup and are treated like part of the traditional xorg.conf configuration file. The X server essentially treats the collection of configuration files as one big file with entries from xorg.conf at the end.
Using xorg.conf
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