Documentation/fb/intel810.rst

Source file repositories/reference/linux-study-clean/Documentation/fb/intel810.rst

File Facts

System: Linux kernel
Corpus path: Documentation/fb/intel810.rst
Extension: .rst
Size: 8615 bytes
Lines: 288
Domain: Support Tooling And Documentation
Bucket: Documentation
Inferred role: Support Tooling And Documentation: documentation
Status: atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

No C-style include directives detected by the generator.

Detected Declarations

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Annotated Snippet

================================
Intel 810/815 Framebuffer driver
================================

Tony Daplas <adaplas@pol.net>

http://i810fb.sourceforge.net

March 17, 2002

First Released: July 2001
Last Update:    September 12, 2005

A. Introduction
===============

	This is a framebuffer driver for various Intel 810/815 compatible
	graphics devices.  These include:

	- Intel 810
	- Intel 810E
	- Intel 810-DC100
	- Intel 815 Internal graphics only, 100Mhz FSB
	- Intel 815 Internal graphics only
	- Intel 815 Internal graphics and AGP

B.  Features
============

	- Choice of using Discrete Video Timings, VESA Generalized Timing
	  Formula, or a framebuffer specific database to set the video mode

	- Supports a variable range of horizontal and vertical resolution and
	  vertical refresh rates if the VESA Generalized Timing Formula is
	  enabled.

	- Supports color depths of 8, 16, 24 and 32 bits per pixel

	- Supports pseudocolor, directcolor, or truecolor visuals

	- Full and optimized hardware acceleration at 8, 16 and 24 bpp

	- Robust video state save and restore

	- MTRR support

	- Utilizes user-entered monitor specifications to automatically
	  calculate required video mode parameters.

	- Can concurrently run with xfree86 running with native i810 drivers

	- Hardware Cursor Support

	- Supports EDID probing either by DDC/I2C or through the BIOS

C.  List of available options
=============================

   a. "video=i810fb"
	enables the i810 driver

	Recommendation: required

   b. "xres:<value>"
	select horizontal resolution in pixels. (This parameter will be
	ignored if 'mode_option' is specified.  See 'o' below).

	Recommendation: user preference
	(default = 640)

Annotation

Atlas domain: Support Tooling And Documentation / Documentation.
Implementation status: atlas-only.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.