diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drmP.h | 15 | ||||
| -rw-r--r-- | include/drm/drm_atomic.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_atomic_helper.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_crtc.h | 8 | ||||
| -rw-r--r-- | include/drm/drm_fb_cma_helper.h | 14 | ||||
| -rw-r--r-- | include/drm/drm_fb_helper.h | 15 | ||||
| -rw-r--r-- | include/drm/drm_gem.h | 48 |
7 files changed, 62 insertions, 42 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 7901768..360b2a7 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -580,12 +580,21 @@ struct drm_driver { void (*debugfs_cleanup)(struct drm_minor *minor); /** - * Driver-specific constructor for drm_gem_objects, to set up - * obj->driver_private. + * @gem_free_object: deconstructor for drm_gem_objects * - * Returns 0 on success. + * This is deprecated and should not be used by new drivers. Use + * @gem_free_object_unlocked instead. */ void (*gem_free_object) (struct drm_gem_object *obj); + + /** + * @gem_free_object_unlocked: deconstructor for drm_gem_objects + * + * This is for drivers which are not encumbered with dev->struct_mutex + * legacy locking schemes. Use this hook instead of @gem_free_object. + */ + void (*gem_free_object_unlocked) (struct drm_gem_object *obj); + int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index d3eaa5d..92c84e9 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -137,7 +137,7 @@ drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret); int __must_check drm_atomic_check_only(struct drm_atomic_state *state); int __must_check drm_atomic_commit(struct drm_atomic_state *state); -int __must_check drm_atomic_async_commit(struct drm_atomic_state *state); +int __must_check drm_atomic_nonblocking_commit(struct drm_atomic_state *state); #define for_each_connector_in_state(state, connector, connector_state, __i) \ for ((__i) = 0; \ diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index fe9d89c..0364287 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -40,7 +40,7 @@ int drm_atomic_helper_check(struct drm_device *dev, struct drm_atomic_state *state); int drm_atomic_helper_commit(struct drm_device *dev, struct drm_atomic_state *state, - bool async); + bool nonblock); void drm_atomic_helper_wait_for_fences(struct drm_device *dev, struct drm_atomic_state *state); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 297e527..2f2bf23 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -1886,7 +1886,7 @@ struct drm_mode_config_funcs { * drm_atomic_helper_commit(), or one of the exported sub-functions of * it. * - * Asynchronous commits (as indicated with the async parameter) must + * Nonblocking commits (as indicated with the nonblock parameter) must * do any preparatory work which might result in an unsuccessful commit * in the context of this callback. The only exceptions are hardware * errors resulting in -EIO. But even in that case the driver must @@ -1899,7 +1899,7 @@ struct drm_mode_config_funcs { * The driver must wait for any pending rendering to the new * framebuffers to complete before executing the flip. It should also * wait for any pending rendering from other drivers if the underlying - * buffer is a shared dma-buf. Asynchronous commits must not wait for + * buffer is a shared dma-buf. Nonblocking commits must not wait for * rendering in the context of this callback. * * An application can request to be notified when the atomic commit has @@ -1930,7 +1930,7 @@ struct drm_mode_config_funcs { * * 0 on success or one of the below negative error codes: * - * - -EBUSY, if an asynchronous updated is requested and there is + * - -EBUSY, if a nonblocking updated is requested and there is * an earlier updated pending. Drivers are allowed to support a queue * of outstanding updates, but currently no driver supports that. * Note that drivers must wait for preceding updates to complete if a @@ -1960,7 +1960,7 @@ struct drm_mode_config_funcs { */ int (*atomic_commit)(struct drm_device *dev, struct drm_atomic_state *state, - bool async); + bool nonblock); /** * @atomic_state_alloc: diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h index ae49c24..c6d9c9c 100644 --- a/include/drm/drm_fb_cma_helper.h +++ b/include/drm/drm_fb_cma_helper.h @@ -4,11 +4,18 @@ struct drm_fbdev_cma; struct drm_gem_cma_object; +struct drm_fb_helper_surface_size; +struct drm_framebuffer_funcs; +struct drm_fb_helper_funcs; struct drm_framebuffer; +struct drm_fb_helper; struct drm_device; struct drm_file; struct drm_mode_fb_cmd2; +struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev, + unsigned int preferred_bpp, unsigned int num_crtc, + unsigned int max_conn_count, const struct drm_fb_helper_funcs *funcs); struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev, unsigned int preferred_bpp, unsigned int num_crtc, unsigned int max_conn_count); @@ -16,6 +23,13 @@ void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma); +int drm_fbdev_cma_create_with_funcs(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes, + struct drm_framebuffer_funcs *funcs); + +void drm_fb_cma_destroy(struct drm_framebuffer *fb); +int drm_fb_cma_create_handle(struct drm_framebuffer *fb, + struct drm_file *file_priv, unsigned int *handle); struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev, struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd); diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 062723b..5b4aa35 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -172,6 +172,10 @@ struct drm_fb_helper_connector { * @funcs: driver callbacks for fb helper * @fbdev: emulated fbdev device info struct * @pseudo_palette: fake palette of 16 colors + * @dirty_clip: clip rectangle used with deferred_io to accumulate damage to + * the screen buffer + * @dirty_lock: spinlock protecting @dirty_clip + * @dirty_work: worker used to flush the framebuffer * * This is the main structure used by the fbdev helpers. Drivers supporting * fbdev emulation should embedded this into their overall driver structure. @@ -189,6 +193,9 @@ struct drm_fb_helper { const struct drm_fb_helper_funcs *funcs; struct fb_info *fbdev; u32 pseudo_palette[17]; + struct drm_clip_rect dirty_clip; + spinlock_t dirty_lock; + struct work_struct dirty_work; /** * @kernel_fb_list: @@ -245,6 +252,9 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch, void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper); +void drm_fb_helper_deferred_io(struct fb_info *info, + struct list_head *pagelist); + ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf, size_t count, loff_t *ppos); ssize_t drm_fb_helper_sys_write(struct fb_info *info, const char __user *buf, @@ -368,6 +378,11 @@ static inline void drm_fb_helper_unlink_fbi(struct drm_fb_helper *fb_helper) { } +static inline void drm_fb_helper_deferred_io(struct fb_info *info, + struct list_head *pagelist) +{ +} + static inline ssize_t drm_fb_helper_sys_read(struct fb_info *info, char __user *buf, size_t count, loff_t *ppos) diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 0b3e11a..408d6c4 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -200,47 +200,29 @@ drm_gem_object_reference(struct drm_gem_object *obj) } /** - * drm_gem_object_unreference - release a GEM BO reference + * __drm_gem_object_unreference - raw function to release a GEM BO reference * @obj: GEM buffer object * - * This releases a reference to @obj. Callers must hold the dev->struct_mutex - * lock when calling this function, even when the driver doesn't use - * dev->struct_mutex for anything. + * This function is meant to be used by drivers which are not encumbered with + * dev->struct_mutex legacy locking and which are using the + * gem_free_object_unlocked callback. It avoids all the locking checks and + * locking overhead of drm_gem_object_unreference() and + * drm_gem_object_unreference_unlocked(). * - * For drivers not encumbered with legacy locking use - * drm_gem_object_unreference_unlocked() instead. + * Drivers should never call this directly in their code. Instead they should + * wrap it up into a driver_gem_object_unreference(struct driver_gem_object + * *obj) wrapper function, and use that. Shared code should never call this, to + * avoid breaking drivers by accident which still depend upon dev->struct_mutex + * locking. */ static inline void -drm_gem_object_unreference(struct drm_gem_object *obj) +__drm_gem_object_unreference(struct drm_gem_object *obj) { - if (obj != NULL) { - WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); - - kref_put(&obj->refcount, drm_gem_object_free); - } + kref_put(&obj->refcount, drm_gem_object_free); } -/** - * drm_gem_object_unreference_unlocked - release a GEM BO reference - * @obj: GEM buffer object - * - * This releases a reference to @obj. Callers must not hold the - * dev->struct_mutex lock when calling this function. - */ -static inline void -drm_gem_object_unreference_unlocked(struct drm_gem_object *obj) -{ - struct drm_device *dev; - - if (!obj) - return; - - dev = obj->dev; - if (kref_put_mutex(&obj->refcount, drm_gem_object_free, &dev->struct_mutex)) - mutex_unlock(&dev->struct_mutex); - else - might_lock(&dev->struct_mutex); -} +void drm_gem_object_unreference_unlocked(struct drm_gem_object *obj); +void drm_gem_object_unreference(struct drm_gem_object *obj); int drm_gem_handle_create(struct drm_file *file_priv, struct drm_gem_object *obj, |
