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author | Linus Torvalds | 2016-08-02 03:44:08 +0200 |
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committer | Linus Torvalds | 2016-08-02 03:44:08 +0200 |
commit | 731c7d3a205ba89b475b2aa71b5f13dd6ae3de56 (patch) | |
tree | d2b9c3e0a98b94dfc3e4e60e35622c0143ef4ed4 /include/linux/fence-array.h | |
parent | clocksource/drivers/clps_711x: fixup for "ARM: clps711x: (diff) | |
parent | Merge branch 'linux-4.8' of git://github.com/skeggsb/linux into drm-next (diff) | |
download | kernel-qcow2-linux-731c7d3a205ba89b475b2aa71b5f13dd6ae3de56.tar.gz kernel-qcow2-linux-731c7d3a205ba89b475b2aa71b5f13dd6ae3de56.tar.xz kernel-qcow2-linux-731c7d3a205ba89b475b2aa71b5f13dd6ae3de56.zip |
Merge tag 'drm-for-v4.8' of git://people.freedesktop.org/~airlied/linux
Merge drm updates from Dave Airlie:
"This is the main drm pull request for 4.8.
I'm down with a cold at the moment so hopefully this isn't in too bad
a state, I finished pulling stuff last week mostly (nouveau fixes just
went in today), so only this message should be influenced by illness.
Apologies to anyone who's major feature I missed :-)
Core:
Lockless GEM BO freeing
Non-blocking atomic work
Documentation changes (rst/sphinx)
Prep for new fencing changes
Simple display helpers
Master/auth changes
Register/unregister rework
Loads of trivial patches/fixes.
New stuff:
ARM Mali display driver (not the 3D chip)
sii902x RGB->HDMI bridge
Panel:
Support for new panels
Improved backlight support
Bridge:
Convert ADV7511 to bridge driver
ADV7533 support
TC358767 (DSI/DPI to eDP) encoder chip support
i915:
BXT support enabled by default
GVT-g infrastructure
GuC command submission and fixes
BXT workarounds
SKL/BKL workarounds
Demidlayering device registration
Thundering herd fixes
Missing pci ids
Atomic updates
amdgpu/radeon:
ATPX improvements for better dGPU power control on PX systems
New power features for CZ/BR/ST
Pipelined BO moves and evictions in TTM
GPU scheduler improvements
GPU reset improvements
Overclocking on dGPUs with amdgpu
Polaris powermanagement enabled
nouveau:
GK20A/GM20B volt and clock improvements.
Initial support for GP100/GP104 GPUs, GP104 will not yet support
acceleration due to NVIDIA having not released firmware for them as of yet.
exynos:
Exynos5433 SoC with IOMMU support.
vc4:
Shader validation for branching
imx-drm:
Atomic mode setting conversion
Reworked DMFC FIFO allocation
External bridge support
analogix-dp:
RK3399 eDP support
Lots of fixes.
rockchip:
Lots of small fixes.
msm:
DT bindings cleanups
Shrinker and madvise support
ASoC HDMI codec support
tegra:
Host1x driver cleanups
SOR reworking for DP support
Runtime PM support
omapdrm:
PLL enhancements
Header refactoring
Gamma table support
arcgpu:
Simulator support
virtio-gpu:
Atomic modesetting fixes.
rcar-du:
Misc fixes.
mediatek:
MT8173 HDMI support
sti:
ASOC HDMI codec support
Minor fixes
fsl-dcu:
Suspend/resume support
Bridge support
amdkfd:
Minor fixes.
etnaviv:
Enable GPU clock gating
hisilicon:
Vblank and other fixes"
* tag 'drm-for-v4.8' of git://people.freedesktop.org/~airlied/linux: (1575 commits)
drm/nouveau/gr/nv3x: fix instobj write offsets in gr setup
drm/nouveau/acpi: fix lockup with PCIe runtime PM
drm/nouveau/acpi: check for function 0x1B before using it
drm/nouveau/acpi: return supported DSM functions
drm/nouveau/acpi: ensure matching ACPI handle and supported functions
drm/nouveau/fbcon: fix font width not divisible by 8
drm/amd/powerplay: remove enable_clock_power_gatings_tasks from initialize and resume events
drm/amd/powerplay: move clockgating to after ungating power in pp for uvd/vce
drm/amdgpu: add query device id and revision id into system info entry at CGS
drm/amdgpu: add new definition in bif header
drm/amd/powerplay: rename smum header guards
drm/amdgpu: enable UVD context buffer for older HW
drm/amdgpu: fix default UVD context size
drm/amdgpu: fix incorrect type of info_id
drm/amdgpu: make amdgpu_cgs_call_acpi_method as static
drm/amdgpu: comment out unused defaults_staturn_pro static const structure to fix the build
drm/amdgpu: enable UVD VM only on polaris
drm/amdgpu: increase timeout of IB test
drm/amdgpu: add destroy session when generate VCE destroy msg.
drm/amd: fix deadlock of job_list_lock V2
...
Diffstat (limited to 'include/linux/fence-array.h')
-rw-r--r-- | include/linux/fence-array.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/linux/fence-array.h b/include/linux/fence-array.h new file mode 100644 index 000000000000..86baaa45567c --- /dev/null +++ b/include/linux/fence-array.h @@ -0,0 +1,73 @@ +/* + * fence-array: aggregates fence to be waited together + * + * Copyright (C) 2016 Collabora Ltd + * Copyright (C) 2016 Advanced Micro Devices, Inc. + * Authors: + * Gustavo Padovan <gustavo@padovan.org> + * Christian König <christian.koenig@amd.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef __LINUX_FENCE_ARRAY_H +#define __LINUX_FENCE_ARRAY_H + +#include <linux/fence.h> + +/** + * struct fence_array_cb - callback helper for fence array + * @cb: fence callback structure for signaling + * @array: reference to the parent fence array object + */ +struct fence_array_cb { + struct fence_cb cb; + struct fence_array *array; +}; + +/** + * struct fence_array - fence to represent an array of fences + * @base: fence base class + * @lock: spinlock for fence handling + * @num_fences: number of fences in the array + * @num_pending: fences in the array still pending + * @fences: array of the fences + */ +struct fence_array { + struct fence base; + + spinlock_t lock; + unsigned num_fences; + atomic_t num_pending; + struct fence **fences; +}; + +extern const struct fence_ops fence_array_ops; + +/** + * to_fence_array - cast a fence to a fence_array + * @fence: fence to cast to a fence_array + * + * Returns NULL if the fence is not a fence_array, + * or the fence_array otherwise. + */ +static inline struct fence_array *to_fence_array(struct fence *fence) +{ + if (fence->ops != &fence_array_ops) + return NULL; + + return container_of(fence, struct fence_array, base); +} + +struct fence_array *fence_array_create(int num_fences, struct fence **fences, + u64 context, unsigned seqno, + bool signal_on_any); + +#endif /* __LINUX_FENCE_ARRAY_H */ |