f4392860b4
Bool is the more appropriate return type here, use it. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180327204722.31246-3-jani.nikula@intel.com
134 lines
3.9 KiB
C
134 lines
3.9 KiB
C
/*
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* Internal Header for the Direct Rendering Manager
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*
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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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* All rights reserved.
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*
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* Author: Rickard E. (Rik) Faith <faith@valinux.com>
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* Author: Gareth Hughes <gareth@valinux.com>
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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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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _DRM_P_H_
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#define _DRM_P_H_
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#include <linux/agp_backend.h>
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#include <linux/cdev.h>
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#include <linux/dma-mapping.h>
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#include <linux/file.h>
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#include <linux/fs.h>
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#include <linux/highmem.h>
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#include <linux/idr.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/jiffies.h>
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#include <linux/kernel.h>
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#include <linux/kref.h>
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#include <linux/miscdevice.h>
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#include <linux/mm.h>
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#include <linux/mutex.h>
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#include <linux/platform_device.h>
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#include <linux/poll.h>
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#include <linux/ratelimit.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <linux/vmalloc.h>
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#include <linux/workqueue.h>
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#include <linux/dma-fence.h>
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#include <linux/module.h>
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#include <asm/mman.h>
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#include <asm/pgalloc.h>
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#include <linux/uaccess.h>
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#include <uapi/drm/drm.h>
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#include <uapi/drm/drm_mode.h>
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#include <drm/drm_agpsupport.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_fourcc.h>
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#include <drm/drm_global.h>
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#include <drm/drm_hashtab.h>
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#include <drm/drm_mm.h>
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#include <drm/drm_os_linux.h>
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#include <drm/drm_sarea.h>
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#include <drm/drm_drv.h>
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#include <drm/drm_prime.h>
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#include <drm/drm_print.h>
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#include <drm/drm_pci.h>
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#include <drm/drm_file.h>
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#include <drm/drm_debugfs.h>
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#include <drm/drm_ioctl.h>
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#include <drm/drm_sysfs.h>
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#include <drm/drm_vblank.h>
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#include <drm/drm_irq.h>
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#include <drm/drm_device.h>
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struct module;
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struct device_node;
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struct videomode;
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struct reservation_object;
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struct dma_buf_attachment;
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struct pci_dev;
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struct pci_controller;
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#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
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/**
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* drm_drv_uses_atomic_modeset - check if the driver implements
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* atomic_commit()
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* @dev: DRM device
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*
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* This check is useful if drivers do not have DRIVER_ATOMIC set but
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* have atomic modesetting internally implemented.
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*/
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static inline bool drm_drv_uses_atomic_modeset(struct drm_device *dev)
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{
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return dev->mode_config.funcs->atomic_commit != NULL;
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}
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#define DRM_SWITCH_POWER_ON 0
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#define DRM_SWITCH_POWER_OFF 1
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#define DRM_SWITCH_POWER_CHANGING 2
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#define DRM_SWITCH_POWER_DYNAMIC_OFF 3
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static inline bool drm_core_check_feature(struct drm_device *dev, int feature)
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{
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return dev->driver->driver_features & feature;
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}
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/* returns true if currently okay to sleep */
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static inline bool drm_can_sleep(void)
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{
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if (in_atomic() || in_dbg_master() || irqs_disabled())
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return false;
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return true;
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}
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/* helper for handling conditionals in various for_each macros */
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#define for_each_if(condition) if (!(condition)) {} else
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#endif
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