Gecko [ paroquia-rio-de-mouro.pt ]

Name	Size	Permission	Date
bridge	[ DIR ]	drwxr-xr-x	2021-04-21 07:33
i2c	[ DIR ]	drwxr-xr-x	2021-04-21 07:33
ttm	[ DIR ]	drwxr-xr-x	2021-04-21 07:33
ati_pcigart.h	692 B	-rw-r--r--	2016-01-11 00:01
drmP.h	36.96 KB	-rw-r--r--	2021-04-16 11:57
drm_agpsupport.h	3.76 KB	-rw-r--r--	2016-01-11 00:01
drm_atomic.h	6.25 KB	-rw-r--r--	2021-04-16 11:57
drm_atomic_helper.h	8.63 KB	-rw-r--r--	2021-04-16 11:57
drm_cache.h	1.72 KB	-rw-r--r--	2021-04-16 11:57
drm_core.h	1.43 KB	-rw-r--r--	2016-01-11 00:01
drm_crtc.h	59.35 KB	-rw-r--r--	2021-04-16 11:57
drm_crtc_helper.h	9.62 KB	-rw-r--r--	2021-04-16 11:57
drm_displayid.h	2.47 KB	-rw-r--r--	2016-01-11 00:01
drm_dp_aux_dev.h	1.78 KB	-rw-r--r--	2021-04-16 11:57
drm_dp_dual_mode_helper.h	4.38 KB	-rw-r--r--	2021-04-16 11:57
drm_dp_helper.h	27.02 KB	-rw-r--r--	2021-04-16 11:57
drm_dp_mst_helper.h	14.16 KB	-rw-r--r--	2021-04-16 11:57
drm_edid.h	12.3 KB	-rw-r--r--	2016-01-11 00:01
drm_encoder_slave.h	6.42 KB	-rw-r--r--	2016-01-11 00:01
drm_fb_cma_helper.h	874 B	-rw-r--r--	2016-01-11 00:01
drm_fb_helper.h	11.95 KB	-rw-r--r--	2021-04-16 11:57
drm_fixed.h	4.71 KB	-rw-r--r--	2021-04-16 11:57
drm_flip_work.h	3 KB	-rw-r--r--	2016-01-11 00:01
drm_gem.h	5.99 KB	-rw-r--r--	2016-01-11 00:01
drm_gem_cma_helper.h	2.23 KB	-rw-r--r--	2016-01-11 00:01
drm_global.h	1.96 KB	-rw-r--r--	2016-01-11 00:01
drm_hashtab.h	3.07 KB	-rw-r--r--	2016-01-11 00:01
drm_legacy.h	6.65 KB	-rw-r--r--	2016-01-11 00:01
drm_mem_util.h	2.41 KB	-rw-r--r--	2021-04-16 11:57
drm_mipi_dsi.h	8.85 KB	-rw-r--r--	2021-04-16 11:57
drm_mm.h	10.19 KB	-rw-r--r--	2016-01-11 00:01
drm_modes.h	9.19 KB	-rw-r--r--	2016-01-11 00:01
drm_modeset_lock.h	4.34 KB	-rw-r--r--	2021-04-16 11:57
drm_of.h	749 B	-rw-r--r--	2016-01-11 00:01
drm_os_linux.h	2.18 KB	-rw-r--r--	2016-01-11 00:01
drm_panel.h	4.96 KB	-rw-r--r--	2016-01-11 00:01
drm_pciids.h	66.44 KB	-rw-r--r--	2016-01-11 00:01
drm_plane_helper.h	4.11 KB	-rw-r--r--	2016-01-11 00:01
drm_rect.h	4.98 KB	-rw-r--r--	2021-04-16 11:57
drm_sysfs.h	300 B	-rw-r--r--	2016-01-11 00:01
drm_vma_manager.h	8.03 KB	-rw-r--r--	2016-01-11 00:01
exynos_drm.h	2.56 KB	-rw-r--r--	2016-01-11 00:01
gma_drm.h	1.01 KB	-rw-r--r--	2016-01-11 00:01
i915_component.h	3.43 KB	-rw-r--r--	2021-04-16 11:57
i915_drm.h	3.41 KB	-rw-r--r--	2016-01-11 00:01
i915_drm_bpo.h	1.5 KB	-rw-r--r--	2021-04-16 11:57
i915_pciids.h	12.48 KB	-rw-r--r--	2021-04-16 11:57
intel-gtt.h	847 B	-rw-r--r--	2016-01-11 00:01

Rename

#ifndef __DRM_GEM_H__
#define __DRM_GEM_H__

/*
 * GEM Graphics Execution Manager Driver Interfaces
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * Copyright (c) 2009-2010, Code Aurora Forum.
 * All rights reserved.
 * Copyright © 2014 Intel Corporation
 *   Daniel Vetter <daniel.vetter@ffwll.ch>
 *
 * Author: Rickard E. (Rik) Faith <faith@valinux.com>
 * Author: Gareth Hughes <gareth@valinux.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

/**
 * This structure defines the drm_mm memory object, which will be used by the
 * DRM for its buffer objects.
 */
struct drm_gem_object {
	/** Reference count of this object */
	struct kref refcount;

/**
	 * handle_count - gem file_priv handle count of this object
	 *
	 * Each handle also holds a reference. Note that when the handle_count
	 * drops to 0 any global names (e.g. the id in the flink namespace) will
	 * be cleared.
	 *
	 * Protected by dev->object_name_lock.
	 * */
	unsigned handle_count;

/** Related drm device */
	struct drm_device *dev;

/** File representing the shmem storage */
	struct file *filp;

/* Mapping info for this object */
	struct drm_vma_offset_node vma_node;

/**
	 * Size of the object, in bytes.  Immutable over the object's
	 * lifetime.
	 */
	size_t size;

/**
	 * Global name for this object, starts at 1. 0 means unnamed.
	 * Access is covered by the object_name_lock in the related drm_device
	 */
	int name;

/**
	 * Memory domains. These monitor which caches contain read/write data
	 * related to the object. When transitioning from one set of domains
	 * to another, the driver is called to ensure that caches are suitably
	 * flushed and invalidated
	 */
	uint32_t read_domains;
	uint32_t write_domain;

/**
	 * While validating an exec operation, the
	 * new read/write domain values are computed here.
	 * They will be transferred to the above values
	 * at the point that any cache flushing occurs
	 */
	uint32_t pending_read_domains;
	uint32_t pending_write_domain;

/**
	 * dma_buf - dma buf associated with this GEM object
	 *
	 * Pointer to the dma-buf associated with this gem object (either
	 * through importing or exporting). We break the resulting reference
	 * loop when the last gem handle for this object is released.
	 *
	 * Protected by obj->object_name_lock
	 */
	struct dma_buf *dma_buf;

/**
	 * import_attach - dma buf attachment backing this object
	 *
	 * Any foreign dma_buf imported as a gem object has this set to the
	 * attachment point for the device. This is invariant over the lifetime
	 * of a gem object.
	 *
	 * The driver's ->gem_free_object callback is responsible for cleaning
	 * up the dma_buf attachment and references acquired at import time.
	 *
	 * Note that the drm gem/prime core does not depend upon drivers setting
	 * this field any more. So for drivers where this doesn't make sense
	 * (e.g. virtual devices or a displaylink behind an usb bus) they can
	 * simply leave it as NULL.
	 */
	struct dma_buf_attachment *import_attach;
};

void drm_gem_object_release(struct drm_gem_object *obj);
void drm_gem_object_free(struct kref *kref);
int drm_gem_object_init(struct drm_device *dev,
			struct drm_gem_object *obj, size_t size);
void drm_gem_private_object_init(struct drm_device *dev,
				 struct drm_gem_object *obj, size_t size);
void drm_gem_vm_open(struct vm_area_struct *vma);
void drm_gem_vm_close(struct vm_area_struct *vma);
int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
		     struct vm_area_struct *vma);
int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);

static inline void
drm_gem_object_reference(struct drm_gem_object *obj)
{
	kref_get(&obj->refcount);
}

static inline void
drm_gem_object_unreference(struct drm_gem_object *obj)
{
	if (obj != NULL) {
		WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex));

kref_put(&obj->refcount, drm_gem_object_free);
	}
}

static inline void
drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
{
	struct drm_device *dev;

if (!obj)
		return;

dev = obj->dev;
	if (kref_put_mutex(&obj->refcount, drm_gem_object_free, &dev->struct_mutex))
		mutex_unlock(&dev->struct_mutex);
	else
		might_lock(&dev->struct_mutex);
}

int drm_gem_handle_create(struct drm_file *file_priv,
			  struct drm_gem_object *obj,
			  u32 *handlep);
int drm_gem_handle_delete(struct drm_file *filp, u32 handle);

void drm_gem_free_mmap_offset(struct drm_gem_object *obj);
int drm_gem_create_mmap_offset(struct drm_gem_object *obj);
int drm_gem_create_mmap_offset_size(struct drm_gem_object *obj, size_t size);

struct page **drm_gem_get_pages(struct drm_gem_object *obj);
void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages,
		bool dirty, bool accessed);

struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
					     struct drm_file *filp,
					     u32 handle);
int drm_gem_dumb_destroy(struct drm_file *file,
			 struct drm_device *dev,
			 uint32_t handle);

#endif /* __DRM_GEM_H__ */