diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/bridge/dw_hdmi.h | 2 | ||||
| -rw-r--r-- | include/drm/drm_drv.h | 26 | ||||
| -rw-r--r-- | include/drm/drm_exec.h | 123 | ||||
| -rw-r--r-- | include/drm/drm_gem_dma_helper.h | 14 | ||||
| -rw-r--r-- | include/drm/drm_gem_shmem_helper.h | 19 | ||||
| -rw-r--r-- | include/drm/drm_gem_vram_helper.h | 9 | ||||
| -rw-r--r-- | include/drm/drm_prime.h | 7 | ||||
| -rw-r--r-- | include/drm/drm_sysfs.h | 4 |
8 files changed, 138 insertions, 66 deletions
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h index f668e75fbabe..6a46baa0737c 100644 --- a/include/drm/bridge/dw_hdmi.h +++ b/include/drm/bridge/dw_hdmi.h @@ -206,4 +206,6 @@ void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data, bool force, bool disabled, bool rxsense); void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data); +bool dw_hdmi_bus_fmt_is_420(struct dw_hdmi *hdmi); + #endif /* __IMX_HDMI_H__ */ diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 89e2706cac56..b77f2c7275b7 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -304,22 +304,14 @@ struct drm_driver { /** * @prime_handle_to_fd: * - * Main PRIME export function. Should be implemented with - * drm_gem_prime_handle_to_fd() for GEM based drivers. - * - * For an in-depth discussion see :ref:`PRIME buffer sharing - * documentation <prime_buffer_sharing>`. + * PRIME export function. Only used by vmwgfx. */ int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, uint32_t handle, uint32_t flags, int *prime_fd); /** * @prime_fd_to_handle: * - * Main PRIME import function. Should be implemented with - * drm_gem_prime_fd_to_handle() for GEM based drivers. - * - * For an in-depth discussion see :ref:`PRIME buffer sharing - * documentation <prime_buffer_sharing>`. + * PRIME import function. Only used by vmwgfx. */ int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, int prime_fd, uint32_t *handle); @@ -343,20 +335,6 @@ struct drm_driver { struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); - /** - * @gem_prime_mmap: - * - * mmap hook for GEM drivers, used to implement dma-buf mmap in the - * PRIME helpers. - * - * This hook only exists for historical reasons. Drivers must use - * drm_gem_prime_mmap() to implement it. - * - * FIXME: Convert all drivers to implement mmap in struct - * &drm_gem_object_funcs and inline drm_gem_prime_mmap() into - * its callers. This hook should be removed afterwards. - */ - int (*gem_prime_mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma); /** * @dumb_create: diff --git a/include/drm/drm_exec.h b/include/drm/drm_exec.h new file mode 100644 index 000000000000..73205afec162 --- /dev/null +++ b/include/drm/drm_exec.h @@ -0,0 +1,123 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ + +#ifndef __DRM_EXEC_H__ +#define __DRM_EXEC_H__ + +#include <linux/ww_mutex.h> + +#define DRM_EXEC_INTERRUPTIBLE_WAIT BIT(0) +#define DRM_EXEC_IGNORE_DUPLICATES BIT(1) + +struct drm_gem_object; + +/** + * struct drm_exec - Execution context + */ +struct drm_exec { + /** + * @flags: Flags to control locking behavior + */ + uint32_t flags; + + /** + * @ticket: WW ticket used for acquiring locks + */ + struct ww_acquire_ctx ticket; + + /** + * @num_objects: number of objects locked + */ + unsigned int num_objects; + + /** + * @max_objects: maximum objects in array + */ + unsigned int max_objects; + + /** + * @objects: array of the locked objects + */ + struct drm_gem_object **objects; + + /** + * @contended: contended GEM object we backed off for + */ + struct drm_gem_object *contended; + + /** + * @prelocked: already locked GEM object due to contention + */ + struct drm_gem_object *prelocked; +}; + +/** + * drm_exec_for_each_locked_object - iterate over all the locked objects + * @exec: drm_exec object + * @index: unsigned long index for the iteration + * @obj: the current GEM object + * + * Iterate over all the locked GEM objects inside the drm_exec object. + */ +#define drm_exec_for_each_locked_object(exec, index, obj) \ + for (index = 0, obj = (exec)->objects[0]; \ + index < (exec)->num_objects; \ + ++index, obj = (exec)->objects[index]) + +/** + * drm_exec_until_all_locked - loop until all GEM objects are locked + * @exec: drm_exec object + * + * Core functionality of the drm_exec object. Loops until all GEM objects are + * locked and no more contention exists. At the beginning of the loop it is + * guaranteed that no GEM object is locked. + * + * Since labels can't be defined local to the loops body we use a jump pointer + * to make sure that the retry is only used from within the loops body. + */ +#define drm_exec_until_all_locked(exec) \ + for (void *__drm_exec_retry_ptr; ({ \ + __label__ __drm_exec_retry; \ +__drm_exec_retry: \ + __drm_exec_retry_ptr = &&__drm_exec_retry; \ + (void)__drm_exec_retry_ptr; \ + drm_exec_cleanup(exec); \ + });) + +/** + * drm_exec_retry_on_contention - restart the loop to grap all locks + * @exec: drm_exec object + * + * Control flow helper to continue when a contention was detected and we need to + * clean up and re-start the loop to prepare all GEM objects. + */ +#define drm_exec_retry_on_contention(exec) \ + do { \ + if (unlikely(drm_exec_is_contended(exec))) \ + goto *__drm_exec_retry_ptr; \ + } while (0) + +/** + * drm_exec_is_contended - check for contention + * @exec: drm_exec object + * + * Returns true if the drm_exec object has run into some contention while + * locking a GEM object and needs to clean up. + */ +static inline bool drm_exec_is_contended(struct drm_exec *exec) +{ + return !!exec->contended; +} + +void drm_exec_init(struct drm_exec *exec, uint32_t flags); +void drm_exec_fini(struct drm_exec *exec); +bool drm_exec_cleanup(struct drm_exec *exec); +int drm_exec_lock_obj(struct drm_exec *exec, struct drm_gem_object *obj); +void drm_exec_unlock_obj(struct drm_exec *exec, struct drm_gem_object *obj); +int drm_exec_prepare_obj(struct drm_exec *exec, struct drm_gem_object *obj, + unsigned int num_fences); +int drm_exec_prepare_array(struct drm_exec *exec, + struct drm_gem_object **objects, + unsigned int num_objects, + unsigned int num_fences); + +#endif diff --git a/include/drm/drm_gem_dma_helper.h b/include/drm/drm_gem_dma_helper.h index 8a043235dad8..a827bde494f6 100644 --- a/include/drm/drm_gem_dma_helper.h +++ b/include/drm/drm_gem_dma_helper.h @@ -166,11 +166,8 @@ drm_gem_dma_prime_import_sg_table(struct drm_device *dev, * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead. */ #define DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(dumb_create_func) \ - .dumb_create = (dumb_create_func), \ - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, \ - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, \ - .gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table, \ - .gem_prime_mmap = drm_gem_prime_mmap + .dumb_create = (dumb_create_func), \ + .gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table /** * DRM_GEM_DMA_DRIVER_OPS - DMA GEM driver operations @@ -204,11 +201,8 @@ drm_gem_dma_prime_import_sg_table(struct drm_device *dev, * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE() instead. */ #define DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(dumb_create_func) \ - .dumb_create = dumb_create_func, \ - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, \ - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, \ - .gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table_vmap, \ - .gem_prime_mmap = drm_gem_prime_mmap + .dumb_create = (dumb_create_func), \ + .gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table_vmap /** * DRM_GEM_DMA_DRIVER_OPS_VMAP - DMA GEM driver operations ensuring a virtual diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h index 5994fed5e327..bf0c31aa8fbe 100644 --- a/include/drm/drm_gem_shmem_helper.h +++ b/include/drm/drm_gem_shmem_helper.h @@ -27,11 +27,6 @@ struct drm_gem_shmem_object { struct drm_gem_object base; /** - * @pages_lock: Protects the page table and use count - */ - struct mutex pages_lock; - - /** * @pages: Page table */ struct page **pages; @@ -66,11 +61,6 @@ struct drm_gem_shmem_object { struct sg_table *sgt; /** - * @vmap_lock: Protects the vmap address and use count - */ - struct mutex vmap_lock; - - /** * @vaddr: Kernel virtual address of the backing memory */ void *vaddr; @@ -109,7 +99,6 @@ struct drm_gem_shmem_object { struct drm_gem_shmem_object *drm_gem_shmem_create(struct drm_device *dev, size_t size); void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem); -int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem); void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem); int drm_gem_shmem_pin(struct drm_gem_shmem_object *shmem); void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem); @@ -128,8 +117,7 @@ static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem !shmem->base.dma_buf && !shmem->base.import_attach; } -void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem); -bool drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem); +void drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem); struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_shmem_object *shmem); struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_shmem_object *shmem); @@ -290,10 +278,7 @@ int drm_gem_shmem_dumb_create(struct drm_file *file, struct drm_device *dev, * the &drm_driver structure. */ #define DRM_GEM_SHMEM_DRIVER_OPS \ - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, \ - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, \ .gem_prime_import_sg_table = drm_gem_shmem_prime_import_sg_table, \ - .gem_prime_mmap = drm_gem_prime_mmap, \ - .dumb_create = drm_gem_shmem_dumb_create + .dumb_create = drm_gem_shmem_dumb_create #endif /* __DRM_GEM_SHMEM_HELPER_H__ */ diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index f4aab64411d8..e18429f09e53 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -157,12 +157,9 @@ void drm_gem_vram_simple_display_pipe_cleanup_fb( * &struct drm_driver with default functions. */ #define DRM_GEM_VRAM_DRIVER \ - .debugfs_init = drm_vram_mm_debugfs_init, \ - .dumb_create = drm_gem_vram_driver_dumb_create, \ - .dumb_map_offset = drm_gem_ttm_dumb_map_offset, \ - .gem_prime_mmap = drm_gem_prime_mmap, \ - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, \ - .prime_fd_to_handle = drm_gem_prime_fd_to_handle + .debugfs_init = drm_vram_mm_debugfs_init, \ + .dumb_create = drm_gem_vram_driver_dumb_create, \ + .dumb_map_offset = drm_gem_ttm_dumb_map_offset /* * VRAM memory manager diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h index 2a1d01e5b56b..a7abf9f3e697 100644 --- a/include/drm/drm_prime.h +++ b/include/drm/drm_prime.h @@ -60,19 +60,12 @@ enum dma_data_direction; struct drm_device; struct drm_gem_object; -struct drm_file; /* core prime functions */ struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev, struct dma_buf_export_info *exp_info); void drm_gem_dmabuf_release(struct dma_buf *dma_buf); -int drm_gem_prime_fd_to_handle(struct drm_device *dev, - struct drm_file *file_priv, int prime_fd, uint32_t *handle); -int drm_gem_prime_handle_to_fd(struct drm_device *dev, - struct drm_file *file_priv, uint32_t handle, uint32_t flags, - int *prime_fd); - /* helper functions for exporting */ int drm_gem_map_attach(struct dma_buf *dma_buf, struct dma_buf_attachment *attach); diff --git a/include/drm/drm_sysfs.h b/include/drm/drm_sysfs.h index 6273cac44e47..96a5d858404b 100644 --- a/include/drm/drm_sysfs.h +++ b/include/drm/drm_sysfs.h @@ -12,6 +12,6 @@ void drm_class_device_unregister(struct device *dev); void drm_sysfs_hotplug_event(struct drm_device *dev); void drm_sysfs_connector_hotplug_event(struct drm_connector *connector); -void drm_sysfs_connector_status_event(struct drm_connector *connector, - struct drm_property *property); +void drm_sysfs_connector_property_event(struct drm_connector *connector, + struct drm_property *property); #endif |