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Leif Delgass 49a9928507 Code clean up, added RING macros, initial try at emitting descriptors to 
the ring as they are sent by the client (enabled with
    MACH64_NO_BATCH_DISPATCH). For the "no batch dispatch" path:
- The DMA end of list flag is moved in the COMMIT_RING macro.
- The flush function only starts a new pass if the card has gone idle and
    there are descriptors on the ring still unprocessed. This could be
    better optimized to flush only when there is a large enough queue on
    the card, but we'll always need to flush if we run out of freeable
    buffers.
- This path is working up to a point, but lockups still occur. There is a
    small performance improvement.
2002-06-01 21:56:27 +00:00
..
ati_pcigart.h merge with linux kernel 2.4.15 2001-12-10 23:29:37 +00:00
Config.in Import of XFree86 4.2.0 2002-01-27 18:23:04 +00:00
drm.h Checkpoint commit of async DMA, blits and AGP texturing. Buffer aging is 2002-05-18 08:57:54 +00:00
drm_agpsupport.h merge with linux kernel 2.4.15 2001-12-10 23:29:37 +00:00
drm_auth.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
drm_bufs.h No one's maintaining 2.2.x support - so remove all the cruft. 2001-08-19 15:20:08 +00:00
drm_context.h First pass merge of XFree86 4.2.0 import. 2002-01-27 20:05:42 +00:00
drm_dma.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
drm_drawable.h Merge mga-1-0-0-branch into trunk. 2001-02-15 08:12:14 +00:00
drm_drv.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
drm_fops.h First pass merge of XFree86 4.2.0 import. 2002-01-27 20:05:42 +00:00
drm_init.h Merge the multihead-1-0-0 branch into the trunk, with the exception of the 2001-07-30 19:59:39 +00:00
drm_ioctl.h merge with 2.4.10 kernel 2001-09-25 09:32:16 +00:00
drm_lists.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
drm_lock.h Merge mga-1-0-0-branch into trunk. 2001-02-15 08:12:14 +00:00
drm_memory.h wrapper for ioremap_nocache() like for ioremap() (Paul Mundt) 2002-02-02 17:03:51 +00:00
drm_proc.h commit Abraham vd Merwe fix. 2001-10-08 12:58:20 +00:00
drm_scatter.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
drm_stub.h No one's maintaining 2.2.x support - so remove all the cruft. 2001-08-19 15:20:08 +00:00
drm_vm.h merge with linux kernel 2.4.15 2001-12-10 23:29:37 +00:00
drmP.h wrapper for ioremap_nocache() like for ioremap() (Paul Mundt) 2002-02-02 17:03:51 +00:00
gamma.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
gamma_dma.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
gamma_drm.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
gamma_drv.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
gamma_drv.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
i810.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
i810_dma.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
i810_drm.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
i810_drv.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
i810_drv.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
i830.h Initial revision 2002-01-27 18:23:04 +00:00
i830_dma.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
i830_drm.h Initial revision 2002-01-27 18:23:04 +00:00
i830_drv.c Initial revision 2002-01-27 18:23:04 +00:00
i830_drv.h Initial revision 2002-01-27 18:23:04 +00:00
mach64.h Code clean up, added RING macros, initial try at emitting descriptors to 2002-06-01 21:56:27 +00:00
mach64_dma.c Code clean up, added RING macros, initial try at emitting descriptors to 2002-06-01 21:56:27 +00:00
mach64_drm.h Checkpoint commit of async DMA, blits and AGP texturing. Buffer aging is 2002-05-18 08:57:54 +00:00
mach64_drv.c Checkpoint commit of async DMA, blits and AGP texturing. Buffer aging is 2002-05-18 08:57:54 +00:00
mach64_drv.h Code clean up, added RING macros, initial try at emitting descriptors to 2002-06-01 21:56:27 +00:00
mach64_state.c Code clean up, added RING macros, initial try at emitting descriptors to 2002-06-01 21:56:27 +00:00
Makefile.kernel First pass merge of XFree86 4.2.0 import. 2002-01-27 20:05:42 +00:00
Makefile.linux Initial merge with the trunk (XFree 4.2.x, Mesa 4.x) 2002-02-26 22:02:37 +00:00
mga.h - Clean up the way customization of the templates is done. 2001-02-16 05:24:06 +00:00
mga_dma.c Lots of DRM fixes: added new pieces of template code so the ffb driver can 2001-08-07 18:15:10 +00:00
mga_drm.h Merged ati-pcigart-1-0-0 2001-04-05 22:16:12 +00:00
mga_drv.c Fixes that allow the modules to be built into the kernel 2001-07-23 20:25:38 +00:00
mga_drv.h Commit Keith Owens kernel Makefile changes, merge and commit alpha patch 2001-08-10 16:29:21 +00:00
mga_state.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
mga_ucode.h Merge mga-1-0-0-branch into trunk. 2001-02-15 08:12:14 +00:00
mga_warp.c Lots of DRM fixes: added new pieces of template code so the ffb driver can 2001-08-07 18:15:10 +00:00
picker.c First pass merge of XFree86 4.2.0 import. 2002-01-27 20:05:42 +00:00
r128.h Import of XFree86 4.0.99.3 2001-05-01 17:07:59 +00:00
r128_cce.c merge with 2.4.10 kernel 2001-09-25 09:32:16 +00:00
r128_drm.h First pass of 4.1.0 merge. 2001-06-14 22:23:44 +00:00
r128_drv.c Put drm version back from 3.0 to 2.2; XFree86 4.1 is the baseline for 2001-11-26 13:28:38 +00:00
r128_drv.h Commit Keith Owens kernel Makefile changes, merge and commit alpha patch 2001-08-10 16:29:21 +00:00
r128_state.c Use CCE for 2D acceleration (Gerd Knorr) 2001-09-17 10:30:17 +00:00
radeon.h Import of XFree86 4.0.99.3 2001-05-01 17:07:59 +00:00
radeon_cp.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
radeon_drm.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
radeon_drv.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
radeon_drv.h First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
radeon_state.c First pass of mesa-4-0 branch merge into trunk. 2002-02-14 02:00:26 +00:00
README.drm More changes for sync with Linux 2.4.0-test9-pre7 2000-09-29 02:05:41 +00:00
sis.h First pass merge of XFree86 4.2.0 import. 2002-01-27 20:05:42 +00:00
sis_drm.h First pass of 4.1.0 merge. 2001-06-14 22:23:44 +00:00
sis_drv.c First pass merge of XFree86 4.2.0 import. 2002-01-27 20:05:42 +00:00
sis_drv.h Make SiS driver compile with the new templated format. Not tested. minor 2001-05-03 14:51:01 +00:00
sis_ds.c First pass merge of XFree86 4.2.0 import. 2002-01-27 20:05:42 +00:00
sis_ds.h Make the SiS module work again. At least glxinfo reports it's working, yet 2001-05-17 15:20:40 +00:00
sis_mm.c First pass merge of XFree86 4.2.0 import. 2002-01-27 20:05:42 +00:00
tdfx.h - Clean up the way customization of the templates is done. 2001-02-16 05:24:06 +00:00
tdfx_drv.c new multihead code was missing Voodoo3 2000 and Voodoo4 support. 2001-08-11 15:48:00 +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/                          *
************************************************************