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Jeff Hartmann 5e8ba79eb6 Merge checker fixes from Alan Cox made to the drm in the ac kernel tree. 
These aren't really security problems, but Alan has made some arguments
    that have convinced me that the code should be fixed anyway.
 		2001-07-20 22:16:04 +00:00
..
Makefile.kernel Merge mga-1-0-0-branch into trunk. 2001-02-15 08:12:14 +00:00
README.drm More changes for sync with Linux 2.4.0-test9-pre7 2000-09-29 02:05:41 +00:00
ati_pcigart.c Merged ati-pcigart-1-0-0 2001-04-05 22:16:12 +00:00
drmP.h - PCIGART patches for Alpha from Compaq 2001-04-30 15:07:18 +00:00
drm_agpsupport.c Import of XFree86 4.0.99.3 2001-05-01 17:07:59 +00:00
drm_auth.c Merge mga-1-0-0-branch into trunk. 2001-02-15 08:12:14 +00:00
drm_bufs.c Merge checker fixes from Alan Cox made to the drm in the ac kernel tree. 2001-07-20 22:16:04 +00:00
drm_context.c Merged sarea-1-0-0 2001-03-14 22:22:50 +00:00
drm_dma.c Enable shared IRQs in DMA template, use in i810 driver. 2001-06-18 12:59:42 +00:00
drm_drawable.c Merge mga-1-0-0-branch into trunk. 2001-02-15 08:12:14 +00:00
drm_drv.c fix build of i810 kernel driver for 2.4.3 or greater kernels 2001-04-30 16:18:22 +00:00
drm_fops.c Import of XFree86 4.0.99.3 2001-05-01 17:07:59 +00:00
drm_init.c Import of XFree86 4.0.99.3 2001-05-01 17:07:59 +00:00
drm_ioctl.c Merge checker fixes from Alan Cox made to the drm in the ac kernel tree. 2001-07-20 22:16:04 +00:00
drm_lock.c Merge mga-1-0-0-branch into trunk. 2001-02-15 08:12:14 +00:00
drm_memory.h Import of XFree86 4.0.99.3 2001-05-01 17:07:59 +00:00
drm_proc.c Merged sarea-1-0-0 2001-03-14 22:22:50 +00:00
drm_scatter.c Merged ati-pcigart-1-0-0 2001-04-05 22:16:12 +00:00
drm_stub.c Add Linux 2.2.x support for stubs 2001-02-21 16:06:10 +00:00
drm_vm.c Only authenticated clients can mmap() (Jeff Hartmann). 2001-05-23 17:41:31 +00:00
i810_dma.c i810 drm security fix 2001-07-16 16:57:12 +00:00
i810_drm.h First pass of 4.1.0 merge. 2001-06-14 22:23:44 +00:00
i810_drv.c Add module version name at a lower layer of the code, allows things to be 2001-07-18 21:02:58 +00:00
i810_drv.h Merged sarea-1-0-0 2001-03-14 22:22:50 +00:00
mga_drv.c Add module version name at a lower layer of the code, allows things to be 2001-07-18 21:02:58 +00:00
r128_drv.c Add module version name at a lower layer of the code, allows things to be 2001-07-18 21:02:58 +00:00
radeon_drv.c Add module version name at a lower layer of the code, allows things to be 2001-07-18 21:02:58 +00:00
sis_drv.c Add module version name at a lower layer of the code, allows things to be 2001-07-18 21:02:58 +00:00
tdfx_drv.c Add module version name at a lower layer of the code, allows things to be 2001-07-18 21:02:58 +00:00

README.drm 

************************************************************
* 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/                          *
************************************************************