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linux/drivers/gpu/drm
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David Miller d30333bbab drm: ati_pcigart: Fix limit check in drm_ati_pcigart_init(). 
The variable 'max_pages' is ambiguous.  There are two concepts
of "pages" being used in this function.

First, we have ATI GART pages which are always 4096 bytes.
Then, we have system pages which are of size PAGE_SIZE.

Eliminate the confusion by creating max_ati_pages and
max_real_pages.  Calculate and use them as appropriate.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
2009-03-13 14:24:03 +10:00
..
i810 drm: Split drm_map and drm_local_map 2009-03-13 14:23:56 +10:00
i830 drm: Split drm_map and drm_local_map 2009-03-13 14:23:56 +10:00
i915 drm: claim PCI device when running in modesetting mode. 2009-03-13 14:23:58 +10:00
mga drm: Make drm_local_map use a resource_size_t offset 2009-03-13 14:23:57 +10:00
r128 drm: Make drm_local_map use a resource_size_t offset 2009-03-13 14:23:57 +10:00
radeon drm: radeon: Use surface for PCI GART table. 2009-03-13 14:24:02 +10:00
savage drm: Use resource_size_t for drm_get_resource_{start, len} 2009-03-13 14:23:56 +10:00
sis SiS DRM: fix a pointer cast warning 2008-10-18 07:10:10 +10:00
tdfx drm: reorganise drm tree to be more future proof. 2008-07-14 10:45:01 +10:00
via drm: Drop unused and broken dri_library_name sysfs attribute. 2009-03-13 14:23:58 +10:00
ati_pcigart.c drm: ati_pcigart: Fix limit check in drm_ati_pcigart_init(). 2009-03-13 14:24:03 +10:00
drm_agpsupport.c drm: stash AGP include under the do-we-have-AGP ifdef 2009-01-22 22:27:11 +10:00
drm_auth.c drm: move to kref per-master structures. 2008-12-29 17:47:22 +10:00
drm_bufs.c drm: Make drm_local_map use a resource_size_t offset 2009-03-13 14:23:57 +10:00
drm_cache.c drm: wbinvd is cache coherent. 2008-10-18 07:10:53 +10:00
drm_context.c drm: Split drm_map and drm_local_map 2009-03-13 14:23:56 +10:00
drm_crtc_helper.c drm: disable encoders before re-routing them 2009-02-25 14:42:23 +10:00
drm_crtc.c drm: Release user fbs in drm_release 2009-02-20 12:21:11 +10:00
drm_dma.c drm: reorganise drm tree to be more future proof. 2008-07-14 10:45:01 +10:00
drm_drawable.c drm: Avoid oops in DRM_IOCTL_RM_DRAW if a bad handle is supplied. 2008-10-23 13:46:54 +10:00
drm_drv.c drm: claim PCI device when running in modesetting mode. 2009-03-13 14:23:58 +10:00
drm_edid.c drm: edid revision 0 is valid 2009-02-25 14:47:05 +10:00
drm_fops.c drm: Avoid client deadlocks when the master disappears. 2009-03-03 09:50:20 +10:00
drm_gem.c drm: Split drm_map and drm_local_map 2009-03-13 14:23:56 +10:00
drm_hashtab.c drm: GEM mmap support 2008-12-29 17:47:22 +10:00
drm_ioc32.c drm: Add 32-bit compatibility for DRM_IOCTL_UPDATE_DRAW. 2008-10-23 13:46:33 +10:00
drm_ioctl.c drm: fix leak of uninitialized data to userspace 2008-12-29 17:47:22 +10:00
drm_irq.c drm: Correct unbalanced drm_vblank_put() during mode setting. 2009-02-25 14:45:50 +10:00
drm_lock.c drm: Avoid client deadlocks when the master disappears. 2009-03-03 09:50:20 +10:00
drm_memory.c drm: Split drm_map and drm_local_map 2009-03-13 14:23:56 +10:00
drm_mm.c DRM: add mode setting support 2008-12-29 17:47:23 +10:00
drm_modes.c DRM: add mode setting support 2008-12-29 17:47:23 +10:00
drm_pci.c drm: reorganise drm tree to be more future proof. 2008-07-14 10:45:01 +10:00
drm_proc.c drm: Make drm_local_map use a resource_size_t offset 2009-03-13 14:23:57 +10:00
drm_scatter.c drm: reorganise drm tree to be more future proof. 2008-07-14 10:45:01 +10:00
drm_sman.c drm: reorganise drm tree to be more future proof. 2008-07-14 10:45:01 +10:00
drm_stub.c drm: claim PCI device when running in modesetting mode. 2009-03-13 14:23:58 +10:00
drm_sysfs.c drm: Drop unused and broken dri_library_name sysfs attribute. 2009-03-13 14:23:58 +10:00
drm_vm.c drm: Make drm_local_map use a resource_size_t offset 2009-03-13 14:23:57 +10:00
Kconfig fbdev/drm: fix Kconfig submenu mess in "Graphics support" 2009-02-18 15:37:56 -08:00
Makefile DRM: add mode setting support 2008-12-29 17:47:23 +10:00
README.drm drm: reorganise drm tree to be more future proof. 2008-07-14 10:45:01 +10:00

README.drm 

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

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://dri.freedesktop.org/wiki/Documentation
    http://sourceforge.net/project/showfiles.php?group_id=387
    http://dri.sourceforge.net/doc/

For specific information about kernel-level support, see:

    The Direct Rendering Manager, Kernel Support for the Direct Rendering
    Infrastructure
    http://dri.sourceforge.net/doc/drm_low_level.html

    Hardware Locking for the Direct Rendering Infrastructure
    http://dri.sourceforge.net/doc/hardware_locking_low_level.html

    A Security Analysis of the Direct Rendering Infrastructure
    http://dri.sourceforge.net/doc/security_low_level.html