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Jeff Hartmann 550dff98b0 Merged the mga-lock-debug-0-2-0-branch with the trunk. This includes 
several fixes including: (Jeff) Really disable multitexture (Broken
    since Mesa 3.4 integration.)
(Jeff) Various changes in mga_state.c in the kernel module, which includes
    a fix to the bug where the first OGL application hangs the machine
    w/out rendering anything. This also includes defines for the warp
    registers so they are easily human readable.
(Rik and Jeff) Fixed all the schedule loops in the kernel to look like they
    are supposed too.
(Jeff) Configurable agp modes: Add the option "AGPMode2x" or "AGPMode4x" to
    your XF86Config file.
(Rik) Various cleanups to the mga kernel driver to make it easier to read
    and debug.
(Rik) Removed alot of DRM_DEBUG statements from the kernel driver.
 		2000-09-27 21:32:19 +00:00
..
Makefile.kernel commit xfree86 4.0.1d-pre update 2000-09-24 09:34:10 +00:00
README.drm commit xfree86 4.0.1d-pre update 2000-09-24 09:34:10 +00:00
drmP.h Merged the mga-lock-debug-0-2-0-branch with the trunk. This includes 2000-09-27 21:32:19 +00:00
i810_dma.c Merged the mga-lock-debug-0-2-0-branch with the trunk. This includes 2000-09-27 21:32:19 +00:00
i810_drm.h applied Jeff's xf86cvs-I810copy.patch 2000-07-13 18:47:48 +00:00
i810_drv.c Merged the mga-lock-debug-0-2-0-branch with the trunk. This includes 2000-09-27 21:32:19 +00:00
i810_drv.h commit xfree86 4.0.1d-pre update 2000-09-24 09:34:10 +00:00
mga_drv.c Merged the mga-lock-debug-0-2-0-branch with the trunk. This includes 2000-09-27 21:32:19 +00:00
r128_drv.c Merged the mga-lock-debug-0-2-0-branch with the trunk. This includes 2000-09-27 21:32:19 +00:00
sis_drv.c commit xfree86 4.0.1d-pre update 2000-09-24 09:34:10 +00:00
tdfx_drv.c Merged the mga-lock-debug-0-2-0-branch with the trunk. This includes 2000-09-27 21:32:19 +00:00

README.drm 

/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/README.drm,v 1.4 2000/08/28 02:43:14 tsi Exp $ */

************************************************************
* For the very latest on DRI development, please see:      *
*     http://dri.sourceforge.net/                          *
************************************************************

The Direct Rendering Manager (drm) is a device-independent kernel-level
device driver that provides support for the XFree86 Direct Rendering
Infrastructure (DRI).

The DRM supports the Direct Rendering Infrastructure (DRI) in four major
ways:

    1. The DRM provides synchronized access to the graphics hardware via
       the use of an optimized two-tiered lock.

    2. The DRM enforces the DRI security policy for access to the graphics
       hardware by only allowing authenticated X11 clients access to
       restricted regions of memory.

    3. The DRM provides a generic DMA engine, complete with multiple
       queues and the ability to detect the need for an OpenGL context
       switch.

    4. The DRM is extensible via the use of small device-specific modules
       that rely extensively on the API exported by the DRM module.


Documentation on the DRI is available from:
    http://precisioninsight.com/piinsights.html

For specific information about kernel-level support, see:

    The Direct Rendering Manager, Kernel Support for the Direct Rendering
    Infrastructure
    http://precisioninsight.com/dr/drm.html

    Hardware Locking for the Direct Rendering Infrastructure
    http://precisioninsight.com/dr/locking.html

    A Security Analysis of the Direct Rendering Infrastructure
    http://precisioninsight.com/dr/security.html

************************************************************
* For the very latest on DRI development, please see:      *
*     http://dri.sourceforge.net/                          *
************************************************************