/* * Internal Header for the Direct Rendering Manager * * 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. * * Author: Rickard E. (Rik) Faith * Author: Gareth Hughes * * 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. */ #ifndef _DRM_P_H_ #define _DRM_P_H_ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct module; struct device_node; struct videomode; struct reservation_object; struct dma_buf_attachment; struct pci_dev; struct pci_controller; #define DRM_IF_VERSION(maj, min) (maj << 16 | min) /** * drm_drv_uses_atomic_modeset - check if the driver implements * atomic_commit() * @dev: DRM device * * This check is useful if drivers do not have DRIVER_ATOMIC set but * have atomic modesetting internally implemented. */ static inline bool drm_drv_uses_atomic_modeset(struct drm_device *dev) { return dev->mode_config.funcs->atomic_commit != NULL; } #define DRM_SWITCH_POWER_ON 0 #define DRM_SWITCH_POWER_OFF 1 #define DRM_SWITCH_POWER_CHANGING 2 #define DRM_SWITCH_POWER_DYNAMIC_OFF 3 static inline bool drm_core_check_feature(struct drm_device *dev, int feature) { return dev->driver->driver_features & feature; } /* returns true if currently okay to sleep */ static inline bool drm_can_sleep(void) { if (in_atomic() || in_dbg_master() || irqs_disabled()) return false; return true; } /* helper for handling conditionals in various for_each macros */ #define for_each_if(condition) if (!(condition)) {} else #endif