drm: Extract drm_device.h
I need this to untangle an include loop in the next patch. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20170802115604.12734-2-daniel.vetter@ffwll.ch
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Daniel Vetter
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Коммит
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@ -82,19 +82,10 @@
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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 drm_device;
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struct drm_agp_head;
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struct drm_local_map;
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struct drm_device_dma;
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struct drm_gem_object;
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struct drm_master;
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struct drm_vblank_crtc;
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struct drm_vma_offset_manager;
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struct device_node;
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struct videomode;
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struct reservation_object;
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@ -305,170 +296,6 @@ 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 device structure. This structure represent a complete card that
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* may contain multiple heads.
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*/
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struct drm_device {
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struct list_head legacy_dev_list;/**< list of devices per driver for stealth attach cleanup */
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int if_version; /**< Highest interface version set */
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/** \name Lifetime Management */
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/*@{ */
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struct kref ref; /**< Object ref-count */
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struct device *dev; /**< Device structure of bus-device */
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struct drm_driver *driver; /**< DRM driver managing the device */
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void *dev_private; /**< DRM driver private data */
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struct drm_minor *control; /**< Control node */
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struct drm_minor *primary; /**< Primary node */
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struct drm_minor *render; /**< Render node */
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bool registered;
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/* currently active master for this device. Protected by master_mutex */
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struct drm_master *master;
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atomic_t unplugged; /**< Flag whether dev is dead */
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struct inode *anon_inode; /**< inode for private address-space */
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char *unique; /**< unique name of the device */
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/*@} */
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/** \name Locks */
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/*@{ */
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struct mutex struct_mutex; /**< For others */
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struct mutex master_mutex; /**< For drm_minor::master and drm_file::is_master */
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/*@} */
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/** \name Usage Counters */
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/*@{ */
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int open_count; /**< Outstanding files open, protected by drm_global_mutex. */
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spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */
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int buf_use; /**< Buffers in use -- cannot alloc */
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atomic_t buf_alloc; /**< Buffer allocation in progress */
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/*@} */
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struct mutex filelist_mutex;
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struct list_head filelist;
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/** \name Memory management */
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/*@{ */
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struct list_head maplist; /**< Linked list of regions */
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struct drm_open_hash map_hash; /**< User token hash table for maps */
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/** \name Context handle management */
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/*@{ */
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struct list_head ctxlist; /**< Linked list of context handles */
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struct mutex ctxlist_mutex; /**< For ctxlist */
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struct idr ctx_idr;
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struct list_head vmalist; /**< List of vmas (for debugging) */
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/*@} */
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/** \name DMA support */
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/*@{ */
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struct drm_device_dma *dma; /**< Optional pointer for DMA support */
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/*@} */
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/** \name Context support */
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/*@{ */
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__volatile__ long context_flag; /**< Context swapping flag */
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int last_context; /**< Last current context */
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/*@} */
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/**
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* @irq_enabled:
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*
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* Indicates that interrupt handling is enabled, specifically vblank
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* handling. Drivers which don't use drm_irq_install() need to set this
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* to true manually.
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*/
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bool irq_enabled;
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int irq;
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/**
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* @vblank_disable_immediate:
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*
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* If true, vblank interrupt will be disabled immediately when the
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* refcount drops to zero, as opposed to via the vblank disable
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* timer.
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*
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* This can be set to true it the hardware has a working vblank counter
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* with high-precision timestamping (otherwise there are races) and the
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* driver uses drm_crtc_vblank_on() and drm_crtc_vblank_off()
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* appropriately. See also @max_vblank_count and
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* &drm_crtc_funcs.get_vblank_counter.
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*/
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bool vblank_disable_immediate;
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/**
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* @vblank:
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*
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* Array of vblank tracking structures, one per &struct drm_crtc. For
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* historical reasons (vblank support predates kernel modesetting) this
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* is free-standing and not part of &struct drm_crtc itself. It must be
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* initialized explicitly by calling drm_vblank_init().
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*/
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struct drm_vblank_crtc *vblank;
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spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
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spinlock_t vbl_lock;
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/**
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* @max_vblank_count:
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*
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* Maximum value of the vblank registers. This value +1 will result in a
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* wrap-around of the vblank register. It is used by the vblank core to
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* handle wrap-arounds.
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*
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* If set to zero the vblank core will try to guess the elapsed vblanks
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* between times when the vblank interrupt is disabled through
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* high-precision timestamps. That approach is suffering from small
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* races and imprecision over longer time periods, hence exposing a
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* hardware vblank counter is always recommended.
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*
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* If non-zeor, &drm_crtc_funcs.get_vblank_counter must be set.
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*/
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u32 max_vblank_count; /**< size of vblank counter register */
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/**
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* List of events
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*/
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struct list_head vblank_event_list;
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spinlock_t event_lock;
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/*@} */
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struct drm_agp_head *agp; /**< AGP data */
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struct pci_dev *pdev; /**< PCI device structure */
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#ifdef __alpha__
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struct pci_controller *hose;
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#endif
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struct drm_sg_mem *sg; /**< Scatter gather memory */
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unsigned int num_crtcs; /**< Number of CRTCs on this device */
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struct {
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int context;
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struct drm_hw_lock *lock;
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} sigdata;
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struct drm_local_map *agp_buffer_map;
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unsigned int agp_buffer_token;
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struct drm_mode_config mode_config; /**< Current mode config */
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/** \name GEM information */
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/*@{ */
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struct mutex object_name_lock;
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struct idr object_name_idr;
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struct drm_vma_offset_manager *vma_offset_manager;
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/*@} */
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int switch_power_state;
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};
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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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@ -0,0 +1,190 @@
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#ifndef _DRM_DEVICE_H_
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#define _DRM_DEVICE_H_
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#include <linux/list.h>
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#include <linux/kref.h>
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#include <linux/mutex.h>
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#include <linux/idr.h>
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#include <drm/drm_hashtab.h>
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#include <drm/drm_mode_config.h>
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struct drm_driver;
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struct drm_minor;
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struct drm_master;
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struct drm_device_dma;
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struct drm_vblank_crtc;
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struct drm_sg_mem;
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struct drm_local_map;
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struct drm_vma_offset_manager;
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struct inode;
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struct pci_dev;
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struct pci_controller;
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/**
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* DRM device structure. This structure represent a complete card that
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* may contain multiple heads.
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*/
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struct drm_device {
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struct list_head legacy_dev_list;/**< list of devices per driver for stealth attach cleanup */
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int if_version; /**< Highest interface version set */
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/** \name Lifetime Management */
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/*@{ */
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struct kref ref; /**< Object ref-count */
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struct device *dev; /**< Device structure of bus-device */
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struct drm_driver *driver; /**< DRM driver managing the device */
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void *dev_private; /**< DRM driver private data */
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struct drm_minor *control; /**< Control node */
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struct drm_minor *primary; /**< Primary node */
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struct drm_minor *render; /**< Render node */
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bool registered;
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/* currently active master for this device. Protected by master_mutex */
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struct drm_master *master;
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atomic_t unplugged; /**< Flag whether dev is dead */
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struct inode *anon_inode; /**< inode for private address-space */
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char *unique; /**< unique name of the device */
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/*@} */
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/** \name Locks */
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/*@{ */
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struct mutex struct_mutex; /**< For others */
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struct mutex master_mutex; /**< For drm_minor::master and drm_file::is_master */
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/*@} */
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/** \name Usage Counters */
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/*@{ */
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int open_count; /**< Outstanding files open, protected by drm_global_mutex. */
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spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */
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int buf_use; /**< Buffers in use -- cannot alloc */
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atomic_t buf_alloc; /**< Buffer allocation in progress */
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/*@} */
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struct mutex filelist_mutex;
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struct list_head filelist;
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/** \name Memory management */
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/*@{ */
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struct list_head maplist; /**< Linked list of regions */
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struct drm_open_hash map_hash; /**< User token hash table for maps */
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/** \name Context handle management */
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/*@{ */
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struct list_head ctxlist; /**< Linked list of context handles */
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struct mutex ctxlist_mutex; /**< For ctxlist */
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struct idr ctx_idr;
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struct list_head vmalist; /**< List of vmas (for debugging) */
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/*@} */
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/** \name DMA support */
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/*@{ */
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struct drm_device_dma *dma; /**< Optional pointer for DMA support */
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/*@} */
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/** \name Context support */
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/*@{ */
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__volatile__ long context_flag; /**< Context swapping flag */
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int last_context; /**< Last current context */
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/*@} */
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/**
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* @irq_enabled:
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*
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* Indicates that interrupt handling is enabled, specifically vblank
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* handling. Drivers which don't use drm_irq_install() need to set this
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* to true manually.
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*/
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bool irq_enabled;
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int irq;
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/**
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* @vblank_disable_immediate:
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*
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* If true, vblank interrupt will be disabled immediately when the
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* refcount drops to zero, as opposed to via the vblank disable
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* timer.
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*
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* This can be set to true it the hardware has a working vblank counter
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* with high-precision timestamping (otherwise there are races) and the
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* driver uses drm_crtc_vblank_on() and drm_crtc_vblank_off()
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* appropriately. See also @max_vblank_count and
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* &drm_crtc_funcs.get_vblank_counter.
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*/
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bool vblank_disable_immediate;
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/**
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* @vblank:
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*
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* Array of vblank tracking structures, one per &struct drm_crtc. For
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* historical reasons (vblank support predates kernel modesetting) this
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* is free-standing and not part of &struct drm_crtc itself. It must be
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* initialized explicitly by calling drm_vblank_init().
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*/
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struct drm_vblank_crtc *vblank;
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spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */
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spinlock_t vbl_lock;
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/**
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* @max_vblank_count:
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*
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* Maximum value of the vblank registers. This value +1 will result in a
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* wrap-around of the vblank register. It is used by the vblank core to
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* handle wrap-arounds.
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*
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* If set to zero the vblank core will try to guess the elapsed vblanks
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* between times when the vblank interrupt is disabled through
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* high-precision timestamps. That approach is suffering from small
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* races and imprecision over longer time periods, hence exposing a
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* hardware vblank counter is always recommended.
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*
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* If non-zeor, &drm_crtc_funcs.get_vblank_counter must be set.
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*/
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u32 max_vblank_count; /**< size of vblank counter register */
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/**
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* List of events
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*/
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struct list_head vblank_event_list;
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spinlock_t event_lock;
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/*@} */
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struct drm_agp_head *agp; /**< AGP data */
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struct pci_dev *pdev; /**< PCI device structure */
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#ifdef __alpha__
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struct pci_controller *hose;
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#endif
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struct drm_sg_mem *sg; /**< Scatter gather memory */
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unsigned int num_crtcs; /**< Number of CRTCs on this device */
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struct {
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int context;
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struct drm_hw_lock *lock;
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} sigdata;
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struct drm_local_map *agp_buffer_map;
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unsigned int agp_buffer_token;
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struct drm_mode_config mode_config; /**< Current mode config */
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/** \name GEM information */
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/*@{ */
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struct mutex object_name_lock;
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struct idr object_name_idr;
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struct drm_vma_offset_manager *vma_offset_manager;
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/*@} */
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int switch_power_state;
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};
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#endif
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