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drm_device.h

#ifndef _DRM_DEVICE_H_ #define _DRM_DEVICE_H_ #include <linux/list.h> #include <linux/kref.h> #include <linux/mutex.h> #include <linux/idr.h> #include <drm/drm_mode_config.h> struct drm_driver; struct drm_minor; struct drm_master; struct drm_vblank_crtc; struct drm_vma_offset_manager; struct drm_vram_mm; struct drm_fb_helper; struct inode; struct pci_dev; struct pci_controller; /** * enum switch_power_state - power state of drm device */ enum switch_power_state { /** @DRM_SWITCH_POWER_ON: Power state is ON */ DRM_SWITCH_POWER_ON = 0, /** @DRM_SWITCH_POWER_OFF: Power state is OFF */ DRM_SWITCH_POWER_OFF = 1, /** @DRM_SWITCH_POWER_CHANGING: Power state is changing */ DRM_SWITCH_POWER_CHANGING = 2, /** @DRM_SWITCH_POWER_DYNAMIC_OFF: Suspended */ DRM_SWITCH_POWER_DYNAMIC_OFF = 3, }; /** * struct drm_device - DRM device structure * * This structure represent a complete card that * may contain multiple heads. */ struct drm_device { /** @if_version: Highest interface version set */ int if_version; /** @ref: Object ref-count */ struct kref ref; /** @dev: Device structure of bus-device */ struct device *dev; /** * @managed: * * Managed resources linked to the lifetime of this &drm_device as * tracked by @ref. */ struct { /** @managed.resources: managed resources list */ struct list_head resources; /** @managed.final_kfree: pointer for final kfree() call */ void *final_kfree; /** @managed.lock: protects @managed.resources */ spinlock_t lock; } managed; /** @driver: DRM driver managing the device */ const struct drm_driver *driver; /** * @dev_private: * * DRM driver private data. This is deprecated and should be left set to * NULL. * * Instead of using this pointer it is recommended that drivers use * devm_drm_dev_alloc() and embed struct &drm_device in their larger * per-device structure. */ void *dev_private; /** * @primary: * * Primary node. Drivers should not interact with this * directly. debugfs interfaces can be registered with * drm_debugfs_add_file(), and sysfs should be directly added on the * hardware (and not character device node) struct device @dev. */ struct drm_minor *primary; /** * @render: * * Render node. Drivers should not interact with this directly ever. * Drivers should not expose any additional interfaces in debugfs or * sysfs on this node. */ struct drm_minor *render; /** @accel: Compute Acceleration node */ struct drm_minor *accel; /** * @registered: * * Internally used by drm_dev_register() and drm_connector_register(). */ bool registered; /** * @master: * * Currently active master for this device. * Protected by &master_mutex */ struct drm_master *master; /** * @driver_features: per-device driver features * * Drivers can clear specific flags here to disallow * certain features on a per-device basis while still * sharing a single &struct drm_driver instance across * all devices. */ u32 driver_features; /** * @unplugged: * * Flag to tell if the device has been unplugged. * See drm_dev_enter() and drm_dev_is_unplugged(). */ bool unplugged; /** @anon_inode: inode for private address-space */ struct inode *anon_inode; /** @unique: Unique name of the device */ char *unique; /** * @struct_mutex: * * Lock for others (not &drm_minor.master and &drm_file.is_master) * * TODO: This lock used to be the BKL of the DRM subsystem. Move the * lock into i915, which is the only remaining user. */ struct mutex struct_mutex; /** * @master_mutex: * * Lock for &drm_minor.master and &drm_file.is_master */ struct mutex master_mutex; /** * @open_count: * * Usage counter for outstanding files open, * protected by drm_global_mutex */ atomic_t open_count; /** @filelist_mutex: Protects @filelist. */ struct mutex filelist_mutex; /** * @filelist: * * List of userspace clients, linked through &drm_file.lhead. */ struct list_head filelist; /** * @filelist_internal: * * List of open DRM files for in-kernel clients. * Protected by &filelist_mutex. */ struct list_head filelist_internal; /** * @clientlist_mutex: * * Protects &clientlist access. */ struct mutex clientlist_mutex; /** * @clientlist: * * List of in-kernel clients. Protected by &clientlist_mutex. */ struct list_head clientlist; /** * @vblank_disable_immediate: * * If true, vblank interrupt will be disabled immediately when the * refcount drops to zero, as opposed to via the vblank disable * timer. * * This can be set to true it the hardware has a working vblank counter * with high-precision timestamping (otherwise there are races) and the * driver uses drm_crtc_vblank_on() and drm_crtc_vblank_off() * appropriately. Also, see @max_vblank_count, * &drm_crtc_funcs.get_vblank_counter and * &drm_vblank_crtc_config.disable_immediate. */ bool vblank_disable_immediate; /** * @vblank: * * Array of vblank tracking structures, one per &struct drm_crtc. For * historical reasons (vblank support predates kernel modesetting) this * is free-standing and not part of &struct drm_crtc itself. It must be * initialized explicitly by calling drm_vblank_init(). */ struct drm_vblank_crtc *vblank; /** * @vblank_time_lock: * * Protects vblank count and time updates during vblank enable/disable */ spinlock_t vblank_time_lock; /** * @vbl_lock: Top-level vblank references lock, wraps the low-level * @vblank_time_lock. */ spinlock_t vbl_lock; /** * @max_vblank_count: * * Maximum value of the vblank registers. This value +1 will result in a * wrap-around of the vblank register. It is used by the vblank core to * handle wrap-arounds. * * If set to zero the vblank core will try to guess the elapsed vblanks * between times when the vblank interrupt is disabled through * high-precision timestamps. That approach is suffering from small * races and imprecision over longer time periods, hence exposing a * hardware vblank counter is always recommended. * * This is the statically configured device wide maximum. The driver * can instead choose to use a runtime configurable per-crtc value * &drm_vblank_crtc.max_vblank_count, in which case @max_vblank_count * must be left at zero. See drm_crtc_set_max_vblank_count() on how * to use the per-crtc value. * * If non-zero, &drm_crtc_funcs.get_vblank_counter must be set. */ u32 max_vblank_count; /** @vblank_event_list: List of vblank events */ struct list_head vblank_event_list; /** * @event_lock: * * Protects @vblank_event_list and event delivery in * general. See drm_send_event() and drm_send_event_locked(). */ spinlock_t event_lock; /** @num_crtcs: Number of CRTCs on this device */ unsigned int num_crtcs; /** @mode_config: Current mode config */ struct drm_mode_config mode_config; /** @object_name_lock: GEM information */ struct mutex object_name_lock; /** @object_name_idr: GEM information */ struct idr object_name_idr; /** @vma_offset_manager: GEM information */ struct drm_vma_offset_manager *vma_offset_manager; /** @vram_mm: VRAM MM memory manager */ struct drm_vram_mm *vram_mm; /** * @switch_power_state: * * Power state of the client. * Used by drivers supporting the switcheroo driver. * The state is maintained in the * &vga_switcheroo_client_ops.set_gpu_state callback */ enum switch_power_state switch_power_state; /** * @fb_helper: * * Pointer to the fbdev emulation structure. * Set by drm_fb_helper_init() and cleared by drm_fb_helper_fini(). */ struct drm_fb_helper *fb_helper; /** * @debugfs_root: * * Root directory for debugfs files. */ struct dentry *debugfs_root; }; #endif

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docroot: /var/www/469ed2f6-4d4b-4a8a-9f5e-ee4ef04d3bc8/public_html

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curdir: /usr/src/linux-headers-6.8.0-117/include/drm

	.		4096
	..		4096
X	amd_asic_type.h		2382
	bridge		4096
	display		4096
X	drm_accel.h		2306
X	drm_aperture.h		1081
X	drm_atomic.h		43560
X	drm_atomic_helper.h		11039
X	drm_atomic_state_helper.h		4529
X	drm_atomic_uapi.h		2111
X	drm_audio_component.h		3935
X	drm_auth.h		4280
X	drm_blend.h		2407
X	drm_bridge.h		35717
X	drm_bridge_connector.h		405
X	drm_buddy.h		4272
X	drm_cache.h		3377
X	drm_client.h		5165
X	drm_color_mgmt.h		4006
X	drm_connector.h		66639
X	drm_crtc.h		45592
X	drm_crtc_helper.h		2567
X	drm_damage_helper.h		3408
X	drm_debugfs.h		5821
X	drm_debugfs_crc.h		2723
X	drm_device.h		7827
X	drm_displayid.h		5109
X	drm_drv.h		18242
X	drm_edid.h		16060
X	drm_eld.h		4874
X	drm_encoder.h		11335
X	drm_encoder_slave.h		6614
X	drm_exec.h		4395
X	drm_fb_dma_helper.h		575
X	drm_fb_helper.h		12031
X	drm_fbdev_dma.h		656
X	drm_fbdev_generic.h		349
X	drm_file.h		14577
X	drm_fixed.h		4946
X	drm_flip_work.h		2693
X	drm_format_helper.h		5457
X	drm_fourcc.h		10146
X	drm_framebuffer.h		10279
X	drm_gem.h		19044
X	drm_gem_atomic_helper.h		5655
X	drm_gem_dma_helper.h		9478
X	drm_gem_framebuffer_helper.h		1973
X	drm_gem_shmem_helper.h		8119
X	drm_gem_ttm_helper.h		822
X	drm_gem_vram_helper.h		6227
X	drm_gpuvm.h		34343
X	drm_ioctl.h		5955
X	drm_kunit_helpers.h		4314
X	drm_lease.h		1010
X	drm_managed.h		3992
X	drm_mipi_dbi.h		7035
X	drm_mipi_dsi.h		13536
X	drm_mm.h		17950
X	drm_mode_config.h		33596
X	drm_mode_object.h		5587
X	drm_modes.h		20381
X	drm_modeset_helper.h		1814
X	drm_modeset_helper_vtables.h		60793
X	drm_modeset_lock.h		7244
X	drm_module.h		3808
X	drm_of.h		5348
X	drm_panel.h		9101
X	drm_pciids.h		62502
X	drm_plane.h		31659
X	drm_plane_helper.h		2274
X	drm_prime.h		4162
X	drm_print.h		20877
X	drm_privacy_screen_consumer.h		1983
X	drm_privacy_screen_driver.h		3058
X	drm_privacy_screen_machine.h		1281
X	drm_probe_helper.h		1607
X	drm_property.h		12273
X	drm_rect.h		7338
X	drm_self_refresh_helper.h		594
X	drm_simple_kms_helper.h		9744
X	drm_suballoc.h		2812
X	drm_syncobj.h		4045
X	drm_sysfs.h		512
X	drm_util.h		2642
X	drm_utils.h		592
X	drm_vblank.h		10422
X	drm_vblank_work.h		1956
X	drm_vma_manager.h		8428
X	drm_writeback.h		4552
X	gma_drm.h		413
X	gpu_scheduler.h		21349
X	gud.h		11934
	i2c		4096
X	i915_component.h		1853
X	i915_drm.h		3656
X	i915_gsc_proxy_mei_interface.h		1556
X	i915_hdcp_interface.h		16607
X	i915_pciids.h		24518
X	i915_pxp_tee_interface.h		1314
X	intel-gtt.h		1015
X	intel_lpe_audio.h		1758
X	spsc_queue.h		3157
X	task_barrier.h		3022
	ttm		4096
X	xe_pciids.h		5502