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90367bf6e9
linux/drivers/gpu/drm
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Ville Syrjälä 90367bf6e9 drm: Check user mode against overflows 
The internal mode representation drm_display_mode uses signed data
types. When converting the user mode to internal representation,
check that the unsigned values don't overflow the signed datatypes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-03-15 09:50:39 +00:00
..
exynos drm: drop setting vm_file to filp 2012-03-05 11:19:08 +00:00
gma500 gma500: suspend/resume support for Cedartrail 2012-03-15 09:46:22 +00:00
i2c drm: add convenience function to create an range property 2012-02-09 10:15:25 +00:00
i810 drm: drop setting vm_file to filp 2012-03-05 11:19:08 +00:00
i915 Merge remote-tracking branch 'airlied/drm-next' into for-airlied 2012-02-23 14:56:11 +01:00
mga drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
nouveau drm/nouveau: add userspace fallback hints. 2012-03-15 09:39:03 +00:00
r128 drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
radeon drm/radeon: fix deferred page-flip detection logic on Avivo-based ASICs 2012-02-29 10:23:50 +00:00
savage drm: Make the per-driver file_operations struct const 2011-11-11 11:14:47 +00:00
sis drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
tdfx drm: Make the per-driver file_operations struct const 2011-11-11 11:14:47 +00:00
ttm drm/ttm: fix two regressions since move_notify changes 2012-01-25 18:54:28 +00:00
via drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
vmwgfx drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
ati_pcigart.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_agpsupport.c
drm_auth.c drm: Fix authentication kernel crash 2012-01-25 09:27:45 +00:00
drm_buffer.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_bufs.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_cache.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_context.c drm: make DRM_UNLOCKED ioctls with their own mutex 2012-01-05 14:43:02 +00:00
drm_crtc_helper.c drm crtc_helper: use list_for_each_entry 2012-02-03 10:09:41 +00:00
drm_crtc.c drm: Check user mode against overflows 2012-03-15 09:50:39 +00:00
drm_debugfs.c drm: serialize access to list of debugfs files 2011-11-11 11:05:19 +00:00
drm_dma.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_dp_i2c_helper.c
drm_drv.c drm: remove master fd restriction on mode setting getters 2012-02-03 09:29:35 +00:00
drm_edid_modes.h drm/edid: support CEA video modes. 2011-12-19 14:53:16 +00:00
drm_edid.c drm/edid: drm modes have to be free with drm_mode_destroy 2012-02-03 09:50:08 +00:00
drm_encoder_slave.c gpu: add module.h to drivers/gpu files as required. 2011-10-31 19:32:03 -04:00
drm_fb_helper.c drm fb helper: remove unused variable crtc_id 2012-02-03 09:55:52 +00:00
drm_fops.c drm: Fix authentication kernel crash 2012-01-25 09:27:45 +00:00
drm_gem.c drm: drop setting vm_file to filp 2012-03-05 11:19:08 +00:00
drm_global.c
drm_hashtab.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_info.c
drm_ioc32.c drivers/gpu/drm/drm_ioc32.c: initialize all fields 2012-02-03 09:47:32 +00:00
drm_ioctl.c drm: add some caps for userspace to discover more info for dumb KMS driver (v2) 2012-02-16 18:35:11 +00:00
drm_irq.c drm: remove unused code 2012-02-29 10:18:29 +00:00
drm_lock.c drm: add missing exports for i810 driver. 2011-12-22 19:09:01 +00:00
drm_memory.c drm: remove unused code 2012-02-29 10:18:29 +00:00
drm_mm.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_modes.c drm/modes: do not enforce an odd vtotal for interlaced modes 2012-02-13 11:58:53 +00:00
drm_pci.c drm: move pci bus master enable into driver. 2012-02-16 18:31:07 +00:00
drm_platform.c drm: cope with platformdev->id == -1 2012-03-07 14:03:40 +00:00
drm_proc.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_scatter.c drivers: use kzalloc/kcalloc instead of 'kmalloc+memset', where possible 2011-07-25 20:57:13 -07:00
drm_stub.c
drm_sysfs.c switch device_get_devnode() and ->devnode() to umode_t * 2012-01-03 22:54:55 -05:00
drm_trace_points.c
drm_trace.h
drm_usb.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
drm_vm.c drm: drop setting vm_file to filp 2012-03-05 11:19:08 +00:00
Kconfig Merge tag 'v3.2-rc6' of /home/airlied/devel/kernel/linux-2.6 into drm-core-next 2011-12-20 14:43:53 +00:00
Makefile drm: kill drm_sman 2011-12-22 00:33:23 +01:00
README.drm

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