forked from Minki/linux
3ed4351a83
drm_irq.c contains both the irq helper library (optional) and the vblank support (optional, but part of the modeset uapi, and doesn't require the use of the irq helpers at all. Split this up for more clarity of the scope of the individual bits. v2: Move misplaced hunks to this patch (Stefan). Cc: Stefan Agner <stefan@agner.ch> Reviewed-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170531092146.12528-1-daniel.vetter@ffwll.ch
90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
/*
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* Copyright © 2012 Red Hat
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* Copyright (c) 2009-2010, Code Aurora Forum.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Dave Airlie <airlied@redhat.com>
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* Rob Clark <rob.clark@linaro.org>
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*
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*/
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#ifndef __DRM_PRIME_H__
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#define __DRM_PRIME_H__
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#include <linux/mutex.h>
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#include <linux/rbtree.h>
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#include <linux/scatterlist.h>
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/**
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* struct drm_prime_file_private - per-file tracking for PRIME
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*
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* This just contains the internal &struct dma_buf and handle caches for each
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* &struct drm_file used by the PRIME core code.
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*/
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struct drm_prime_file_private {
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/* private: */
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struct mutex lock;
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struct rb_root dmabufs;
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struct rb_root handles;
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};
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struct device;
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struct dma_buf_export_info;
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struct dma_buf;
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struct drm_device;
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struct drm_gem_object;
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struct drm_file;
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struct device;
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struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
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struct drm_gem_object *obj,
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int flags);
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int drm_gem_prime_handle_to_fd(struct drm_device *dev,
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struct drm_file *file_priv, uint32_t handle, uint32_t flags,
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int *prime_fd);
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struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
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struct dma_buf *dma_buf);
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struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
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struct dma_buf *dma_buf,
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struct device *attach_dev);
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int drm_gem_prime_fd_to_handle(struct drm_device *dev,
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struct drm_file *file_priv, int prime_fd, uint32_t *handle);
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struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,
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struct dma_buf_export_info *exp_info);
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void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
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int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
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dma_addr_t *addrs, int max_pages);
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struct sg_table *drm_prime_pages_to_sg(struct page **pages, unsigned int nr_pages);
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void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
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#endif /* __DRM_PRIME_H__ */
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