d3a26bbf61
A user of Adélie Linux reported that modesetting wasn't working properly on their Intel i7-9700K-integrated UHD 630 GPU. Xorg.0.log showed: [ 131.902] (EE) modeset(0): [DRI2] No driver mapping found for PCI device 0x8086 / 0x3e98 [ 131.902] (EE) modeset(0): Failed to initialize the DRI2 extension. Indeed, that PCI ID is missing from i965_pci_ids. Adding it fixed the issue and allowed the system to work with i965_dri under modesetting.
X Server
The X server accepts requests from client applications to create windows, which are (normally rectangular) "virtual screens" that the client program can draw into.
Windows are then composed on the actual screen by the X server (or by a separate composite manager) as directed by the window manager, which usually communicates with the user via graphical controls such as buttons and draggable titlebars and borders.
For a comprehensive overview of X Server and X Window System, consult the following article: https://en.wikipedia.org/wiki/X_server
All questions regarding this software should be directed at the Xorg mailing list:
https://lists.freedesktop.org/mailman/listinfo/xorg
The master development code repository can be found at:
https://gitlab.freedesktop.org/xorg/xserver
For patch submission instructions, see:
https://www.x.org/wiki/Development/Documentation/SubmittingPatches
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