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32e7b94a3f
linux/include/drm
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David Herrmann 32e7b94a3f drm: simplify authentication management 
The magic auth tokens we have are a simple map from cyclic IDs to drm_file
objects. Remove all the old bulk of code and replace it with a simple,
direct IDR.

The previous behavior is kept. Especially calling authmagic multiple times
on the same magic results in EINVAL except on the first call. The only
difference in behavior is that we never allocate IDs multiple times as
long as a client has its FD open.

v2:
 - Fix return code of GetMagic()
 - Use non-cyclic IDR allocator
 - fix off-by-one in "magic > INT_MAX" sanity check

v3:
 - drop redundant "magic > INT_MAX" check

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-05-05 09:45:57 +02:00
..
bridge drm/bridge: make bridge registration independent of drm flow 2015-01-28 08:45:40 +01:00
i2c drm/i2c: tda998x: add video and audio input configuration 2013-08-19 09:10:32 +10:00
ttm drm/ttm: device address space != CPU address space 2015-03-05 09:04:39 +10:00
ati_pcigart.h drm: Move legacy buffer structures to <drm/drm_legacy.h> 2014-09-12 15:28:12 +02:00
drm_agpsupport.h drm: move remaining includes in drmP.h to the top 2014-09-10 17:42:03 +10:00
drm_atomic_helper.h drm/atomic-helper: Rename commmit_post/pre_planes 2015-02-24 01:57:46 +01:00
drm_atomic.h drm/atomic: Add for_each_{connector,crtc,plane}_in_state helper macros 2015-04-11 18:50:22 +02:00
drm_cache.h
drm_core.h
drm_crtc_helper.h drm: make crtc/encoder/connector/plane helper_private a const pointer 2015-04-13 15:00:13 +02:00
drm_crtc.h drm: fix trivial typo mistake 2015-04-14 12:41:03 +02:00
drm_displayid.h drm/displayid: add displayid defines and edid extension (v2) 2014-12-09 09:56:46 +10:00
drm_dp_helper.h drm/dp: Use large transactions for I2C over AUX 2015-03-11 22:04:56 +01:00
drm_dp_mst_helper.h drm/dp_mst: add a function to retrieve vcpi slots 2015-03-19 12:26:45 -04:00
drm_edid.h drm/edid: add #defines for ELD versions 2015-04-13 14:59:58 +02:00
drm_encoder_slave.h drm: i2c encoder helper wrappers 2013-02-17 17:55:42 -05:00
drm_fb_cma_helper.h drm: Make drm_fb_cma_describe() static 2013-08-21 12:47:41 +10:00
drm_fb_helper.h drm/fb: document drm_fb_helper_surface_size 2015-03-11 22:07:33 +01:00
drm_fixed.h drm: fix 64 bit drm fixed point helpers 2013-07-30 17:24:13 -04:00
drm_flip_work.h drm: flip-work: change drm_flip_work_init prototype 2014-11-15 09:29:14 +10:00
drm_gem_cma_helper.h drm/cma: Introduce drm_gem_cma_dumb_create_internal() 2014-11-13 13:27:17 +01:00
drm_gem.h drm: Use kref_put_mutex in drm_gem_object_unreference_unlocked 2015-04-07 18:11:25 +02:00
drm_global.h
drm_hashtab.h drm: Add a hash-tab rcu-safe API 2012-11-28 18:36:05 +10:00
drm_legacy.h drm: move drm_mmap to <drm/drm_legacy.h> 2014-09-24 11:43:07 +10:00
drm_mem_util.h introduce SIZE_MAX 2012-05-31 17:49:26 -07:00
drm_mipi_dsi.h drm/dsi: Do not require .owner field to be set 2014-11-13 13:56:17 +01:00
drm_mm.h drm/mm: Support 4 GiB and larger ranges 2015-03-05 09:01:37 +10:00
drm_modes.h drm: Fix the CRTC_STEREO_DOUBLE_ONLY define to include stero modes 2015-02-23 11:19:35 +01:00
drm_modeset_lock.h drm: Per-plane locking 2014-11-12 17:56:12 +10:00
drm_of.h drm: add of_graph endpoint helper to find possible CRTCs 2014-07-11 15:38:28 +01:00
drm_os_linux.h drm: Kill DRM_SUSER 2013-12-18 11:35:45 +10:00
drm_panel.h drm/panel: Provide convenience wrapper for .get_modes() 2014-08-06 16:44:09 +02:00
drm_pciids.h drm/radeon: remove invalid pci id 2014-10-28 10:44:36 -04:00
drm_plane_helper.h drm: make crtc/encoder/connector/plane helper_private a const pointer 2015-04-13 15:00:13 +02:00
drm_rect.h drm: Add drm_rect rotation functions 2014-07-11 23:44:12 +02:00
drm_sysfs.h
drm_vma_manager.h drm: init TTM dev_mapping in ttm_bo_device_init() 2014-03-16 12:23:42 +01:00
drmP.h drm: simplify authentication management 2015-05-05 09:45:57 +02:00
exynos_drm.h drm/exynos: fimd: replace struct fb_videomode with videomode 2013-09-05 13:43:44 +09:00
gma_drm.h drm/gma500: Remove unused ioctls 2014-03-17 20:11:57 +01:00
i915_component.h drm/i915: add component support 2015-01-12 02:48:20 +01:00
i915_drm.h x86/gpu: Add Intel graphics stolen memory quirk for gen2 platforms 2014-02-09 15:11:30 +01:00
i915_pciids.h drm/i915: remove indirection in the PCI ID macros 2015-03-17 22:30:21 +01:00
intel-gtt.h drm/i915: Fix gen2 mappable calculations 2013-02-15 10:30:38 +01:00