diff options
Diffstat (limited to 'include/drm')
-rw-r--r-- | include/drm/drm_atomic_helper.h | 26 | ||||
-rw-r--r-- | include/drm/drm_displayid.h | 12 | ||||
-rw-r--r-- | include/drm/drm_drv.h | 19 | ||||
-rw-r--r-- | include/drm/drm_edid.h | 12 | ||||
-rw-r--r-- | include/drm/drm_gem.h | 12 | ||||
-rw-r--r-- | include/drm/drm_gem_shmem_helper.h | 30 | ||||
-rw-r--r-- | include/drm/drm_modeset_helper_vtables.h | 29 | ||||
-rw-r--r-- | include/drm/drm_of.h | 12 | ||||
-rw-r--r-- | include/drm/drm_suballoc.h | 108 | ||||
-rw-r--r-- | include/drm/gpu_scheduler.h | 6 | ||||
-rw-r--r-- | include/drm/ttm/ttm_device.h | 2 |
11 files changed, 228 insertions, 40 deletions
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 33f982cd1a27..536a0b0091c3 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -210,6 +210,32 @@ int drm_atomic_helper_page_flip_target( plane))) /** + * drm_atomic_plane_enabling - check whether a plane is being enabled + * @old_plane_state: old atomic plane state + * @new_plane_state: new atomic plane state + * + * Checks the atomic state of a plane to determine whether it's being enabled + * or not. This also WARNs if it detects an invalid state (both CRTC and FB + * need to either both be NULL or both be non-NULL). + * + * RETURNS: + * True if the plane is being enabled, false otherwise. + */ +static inline bool drm_atomic_plane_enabling(struct drm_plane_state *old_plane_state, + struct drm_plane_state *new_plane_state) +{ + /* + * When enabling a plane, CRTC and FB should always be set together. + * Anything else should be considered a bug in the atomic core, so we + * gently warn about it. + */ + WARN_ON((!new_plane_state->crtc && new_plane_state->fb) || + (new_plane_state->crtc && !new_plane_state->fb)); + + return !old_plane_state->crtc && new_plane_state->crtc; +} + +/** * drm_atomic_plane_disabling - check whether a plane is being disabled * @old_plane_state: old atomic plane state * @new_plane_state: new atomic plane state diff --git a/include/drm/drm_displayid.h b/include/drm/drm_displayid.h index 49649eb8447e..566497eeb3b8 100644 --- a/include/drm/drm_displayid.h +++ b/include/drm/drm_displayid.h @@ -139,7 +139,11 @@ struct displayid_vesa_vendor_specific_block { u8 mso; } __packed; -/* DisplayID iteration */ +/* + * DisplayID iteration. + * + * Do not access directly, this is private. + */ struct displayid_iter { const struct drm_edid *drm_edid; @@ -147,6 +151,9 @@ struct displayid_iter { int length; int idx; int ext_index; + + u8 version; + u8 primary_use; }; void displayid_iter_edid_begin(const struct drm_edid *drm_edid, @@ -157,4 +164,7 @@ __displayid_iter_next(struct displayid_iter *iter); while (((__block) = __displayid_iter_next(__iter))) void displayid_iter_end(struct displayid_iter *iter); +u8 displayid_version(const struct displayid_iter *iter); +u8 displayid_primary_use(const struct displayid_iter *iter); + #endif diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 1d76d0686b03..5b86bb7603e7 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -400,25 +400,6 @@ struct drm_driver { int (*dumb_map_offset)(struct drm_file *file_priv, struct drm_device *dev, uint32_t handle, uint64_t *offset); - /** - * @dumb_destroy: - * - * This destroys the userspace handle for the given dumb backing storage buffer. - * Since buffer objects must be reference counted in the kernel a buffer object - * won't be immediately freed if a framebuffer modeset object still uses it. - * - * Called by the user via ioctl. - * - * The default implementation is drm_gem_dumb_destroy(). GEM based drivers - * must not overwrite this. - * - * Returns: - * - * Zero on success, negative errno on failure. - */ - int (*dumb_destroy)(struct drm_file *file_priv, - struct drm_device *dev, - uint32_t handle); /** @major: driver major number */ int major; diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 70ae6c290bdc..571885d32907 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -61,9 +61,15 @@ struct std_timing { u8 vfreq_aspect; } __attribute__((packed)); -#define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1) -#define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2) -#define DRM_EDID_PT_SEPARATE_SYNC (3 << 3) +#define DRM_EDID_PT_SYNC_MASK (3 << 3) +# define DRM_EDID_PT_ANALOG_CSYNC (0 << 3) +# define DRM_EDID_PT_BIPOLAR_ANALOG_CSYNC (1 << 3) +# define DRM_EDID_PT_DIGITAL_CSYNC (2 << 3) +# define DRM_EDID_PT_CSYNC_ON_RGB (1 << 1) /* analog csync only */ +# define DRM_EDID_PT_CSYNC_SERRATE (1 << 2) +# define DRM_EDID_PT_DIGITAL_SEPARATE_SYNC (3 << 3) +# define DRM_EDID_PT_HSYNC_POSITIVE (1 << 1) /* also digital csync */ +# define DRM_EDID_PT_VSYNC_POSITIVE (1 << 2) #define DRM_EDID_PT_STEREO (1 << 5) #define DRM_EDID_PT_INTERLACED (1 << 7) diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 772a4adf5287..c76e651f2d44 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -165,6 +165,16 @@ struct drm_gem_object_funcs { int (*mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma); /** + * @evict: + * + * Evicts gem object out from memory. Used by the drm_gem_object_evict() + * helper. Returns 0 on success, -errno otherwise. + * + * This callback is optional. + */ + int (*evict)(struct drm_gem_object *obj); + + /** * @vm_ops: * * Virtual memory operations used with mmap. @@ -479,4 +489,6 @@ void drm_gem_lru_move_tail(struct drm_gem_lru *lru, struct drm_gem_object *obj); unsigned long drm_gem_lru_scan(struct drm_gem_lru *lru, unsigned nr_to_scan, bool (*shrink)(struct drm_gem_object *obj)); +int drm_gem_evict(struct drm_gem_object *obj); + #endif /* __DRM_GEM_H__ */ diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h index a2201b2488c5..5994fed5e327 100644 --- a/include/drm/drm_gem_shmem_helper.h +++ b/include/drm/drm_gem_shmem_helper.h @@ -61,20 +61,6 @@ struct drm_gem_shmem_object { struct list_head madv_list; /** - * @pages_mark_dirty_on_put: - * - * Mark pages as dirty when they are put. - */ - unsigned int pages_mark_dirty_on_put : 1; - - /** - * @pages_mark_accessed_on_put: - * - * Mark pages as accessed when they are put. - */ - unsigned int pages_mark_accessed_on_put : 1; - - /** * @sgt: Scatter/gather table for imported PRIME buffers */ struct sg_table *sgt; @@ -98,9 +84,23 @@ struct drm_gem_shmem_object { unsigned int vmap_use_count; /** + * @pages_mark_dirty_on_put: + * + * Mark pages as dirty when they are put. + */ + bool pages_mark_dirty_on_put : 1; + + /** + * @pages_mark_accessed_on_put: + * + * Mark pages as accessed when they are put. + */ + bool pages_mark_accessed_on_put : 1; + + /** * @map_wc: map object write-combined (instead of using shmem defaults). */ - bool map_wc; + bool map_wc : 1; }; #define to_drm_gem_shmem_obj(obj) \ diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h index 206f495bbf06..965faf082a6d 100644 --- a/include/drm/drm_modeset_helper_vtables.h +++ b/include/drm/drm_modeset_helper_vtables.h @@ -1331,6 +1331,32 @@ struct drm_plane_helper_funcs { */ void (*atomic_update)(struct drm_plane *plane, struct drm_atomic_state *state); + + /** + * @atomic_enable: + * + * Drivers should use this function to unconditionally enable a plane. + * This hook is called in-between the &drm_crtc_helper_funcs.atomic_begin + * and drm_crtc_helper_funcs.atomic_flush callbacks. It is called after + * @atomic_update, which will be called for all enabled planes. Drivers + * that use @atomic_enable should set up a plane in @atomic_update and + * afterwards enable the plane in @atomic_enable. If a plane needs to be + * enabled before installing the scanout buffer, drivers can still do + * so in @atomic_update. + * + * Note that the power state of the display pipe when this function is + * called depends upon the exact helpers and calling sequence the driver + * has picked. See drm_atomic_helper_commit_planes() for a discussion of + * the tradeoffs and variants of plane commit helpers. + * + * This callback is used by the atomic modeset helpers, but it is + * optional. If implemented, @atomic_enable should be the inverse of + * @atomic_disable. Drivers that don't want to use either can still + * implement the complete plane update in @atomic_update. + */ + void (*atomic_enable)(struct drm_plane *plane, + struct drm_atomic_state *state); + /** * @atomic_disable: * @@ -1351,7 +1377,8 @@ struct drm_plane_helper_funcs { * the tradeoffs and variants of plane commit helpers. * * This callback is used by the atomic modeset helpers and by the - * transitional plane helpers, but it is optional. + * transitional plane helpers, but it is optional. It's intended to + * reverse the effects of @atomic_enable. */ void (*atomic_disable)(struct drm_plane *plane, struct drm_atomic_state *state); diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h index 10ab58c40746..082a6e980d01 100644 --- a/include/drm/drm_of.h +++ b/include/drm/drm_of.h @@ -15,6 +15,8 @@ struct drm_encoder; struct drm_panel; struct drm_bridge; struct device_node; +struct mipi_dsi_device_info; +struct mipi_dsi_host; /** * enum drm_lvds_dual_link_pixels - Pixel order of an LVDS dual-link connection @@ -129,6 +131,16 @@ drm_of_get_data_lanes_count_ep(const struct device_node *port, } #endif +#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_MIPI_DSI) +struct mipi_dsi_host *drm_of_get_dsi_bus(struct device *dev); +#else +static inline struct +mipi_dsi_host *drm_of_get_dsi_bus(struct device *dev) +{ + return ERR_PTR(-EINVAL); +} +#endif /* CONFIG_OF && CONFIG_DRM_MIPI_DSI */ + /* * drm_of_panel_bridge_remove - remove panel bridge * @np: device tree node containing panel bridge output ports diff --git a/include/drm/drm_suballoc.h b/include/drm/drm_suballoc.h new file mode 100644 index 000000000000..c2188bb0b157 --- /dev/null +++ b/include/drm/drm_suballoc.h @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ +/* + * Copyright 2011 Red Hat Inc. + * Copyright © 2022 Intel Corporation + */ +#ifndef _DRM_SUBALLOC_H_ +#define _DRM_SUBALLOC_H_ + +#include <drm/drm_mm.h> + +#include <linux/dma-fence.h> +#include <linux/types.h> + +#define DRM_SUBALLOC_MAX_QUEUES 32 +/** + * struct drm_suballoc_manager - fenced range allocations + * @wq: Wait queue for sleeping allocations on contention. + * @hole: Pointer to first hole node. + * @olist: List of allocated ranges. + * @flist: Array[fence context hash] of queues of fenced allocated ranges. + * @size: Size of the managed range. + * @align: Default alignment for the managed range. + */ +struct drm_suballoc_manager { + wait_queue_head_t wq; + struct list_head *hole; + struct list_head olist; + struct list_head flist[DRM_SUBALLOC_MAX_QUEUES]; + size_t size; + size_t align; +}; + +/** + * struct drm_suballoc - Sub-allocated range + * @olist: List link for list of allocated ranges. + * @flist: List linkk for the manager fenced allocated ranges queues. + * @manager: The drm_suballoc_manager. + * @soffset: Start offset. + * @eoffset: End offset + 1 so that @eoffset - @soffset = size. + * @dma_fence: The fence protecting the allocation. + */ +struct drm_suballoc { + struct list_head olist; + struct list_head flist; + struct drm_suballoc_manager *manager; + size_t soffset; + size_t eoffset; + struct dma_fence *fence; +}; + +void drm_suballoc_manager_init(struct drm_suballoc_manager *sa_manager, + size_t size, size_t align); + +void drm_suballoc_manager_fini(struct drm_suballoc_manager *sa_manager); + +struct drm_suballoc * +drm_suballoc_new(struct drm_suballoc_manager *sa_manager, size_t size, + gfp_t gfp, bool intr, size_t align); + +void drm_suballoc_free(struct drm_suballoc *sa, struct dma_fence *fence); + +/** + * drm_suballoc_soffset - Range start. + * @sa: The struct drm_suballoc. + * + * Return: The start of the allocated range. + */ +static inline size_t drm_suballoc_soffset(struct drm_suballoc *sa) +{ + return sa->soffset; +} + +/** + * drm_suballoc_eoffset - Range end. + * @sa: The struct drm_suballoc. + * + * Return: The end of the allocated range + 1. + */ +static inline size_t drm_suballoc_eoffset(struct drm_suballoc *sa) +{ + return sa->eoffset; +} + +/** + * drm_suballoc_size - Range size. + * @sa: The struct drm_suballoc. + * + * Return: The size of the allocated range. + */ +static inline size_t drm_suballoc_size(struct drm_suballoc *sa) +{ + return sa->eoffset - sa->soffset; +} + +#ifdef CONFIG_DEBUG_FS +void drm_suballoc_dump_debug_info(struct drm_suballoc_manager *sa_manager, + struct drm_printer *p, + unsigned long long suballoc_base); +#else +static inline void +drm_suballoc_dump_debug_info(struct drm_suballoc_manager *sa_manager, + struct drm_printer *p, + unsigned long long suballoc_base) +{ } + +#endif + +#endif /* _DRM_SUBALLOC_H_ */ diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index 9db9e5e504ee..898608f87b96 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -48,6 +48,8 @@ struct drm_gem_object; struct drm_gpu_scheduler; struct drm_sched_rq; +struct drm_file; + /* These are often used as an (initial) index * to an array, and as such should start at 0. */ @@ -522,6 +524,10 @@ int drm_sched_job_init(struct drm_sched_job *job, void drm_sched_job_arm(struct drm_sched_job *job); int drm_sched_job_add_dependency(struct drm_sched_job *job, struct dma_fence *fence); +int drm_sched_job_add_syncobj_dependency(struct drm_sched_job *job, + struct drm_file *file, + u32 handle, + u32 point); int drm_sched_job_add_resv_dependencies(struct drm_sched_job *job, struct dma_resv *resv, enum dma_resv_usage usage); diff --git a/include/drm/ttm/ttm_device.h b/include/drm/ttm/ttm_device.h index 4f3e81eac6f3..56e82ba2d046 100644 --- a/include/drm/ttm/ttm_device.h +++ b/include/drm/ttm/ttm_device.h @@ -141,7 +141,7 @@ struct ttm_device_funcs { * the graphics address space * @ctx: context for this move with parameters * @new_mem: the new memory region receiving the buffer - @ @hop: placement for driver directed intermediate hop + * @hop: placement for driver directed intermediate hop * * Move a buffer between two memory regions. * Returns errno -EMULTIHOP if driver requests a hop |