Displaying 5 results from an estimated 5 matches for "drm_gpuva_manager_lock_extern".
2023 Jul 07
0
[PATCH drm-next v6 02/13] drm: manager to keep track of GPUs VA mappings
...lockdep_map *lockdep_map_p;
>>> +#define drm_gpuva_manager_ext_assert_held(mgr) \
>>> + lockdep_assert(lock_is_held((mgr)->ext_lock) != LOCK_STATE_NOT_HELD)
>>> +/**
>>> + * drm_gpuva_manager_set_ext_lock - set the external lock according to
>>> + * @DRM_GPUVA_MANAGER_LOCK_EXTERN
>>> + * @mgr: the &drm_gpuva_manager to set the lock for
>>> + * @lock: the lock to set
>>> + *
>>> + * If @DRM_GPUVA_MANAGER_LOCK_EXTERN is set, drivers need to call this function
>>> + * to provide the lock used to lock linking and unlinking of &am...
2023 Jul 17
1
[PATCH drm-next v7 02/13] drm: manager to keep track of GPUs VA mappings
...PU VA manager also does not take care of the locking of the backing
> + * &drm_gem_object buffers GPU VA lists by itself; drivers are responsible to
> + * enforce mutual exclusion using either the GEMs dma_resv lock or alternatively
> + * a driver specific external lock by setting the @DRM_GPUVA_MANAGER_LOCK_EXTERN
> + * flag.
> + *
> + * For the latter, functions such as drm_gpuva_link() or drm_gpuva_unlink()
> + * contain lockdep checks to indicate locking issues. For this to work drivers
> + * must provide (in case the @DRM_GPUVA_MANAGER_LOCK_EXTERN flag is set) their
> + * external lock...
2023 Jul 06
0
[PATCH drm-next v6 02/13] drm: manager to keep track of GPUs VA mappings
...gt; +typedef struct lockdep_map *lockdep_map_p;
>> +#define drm_gpuva_manager_ext_assert_held(mgr) \
>> + lockdep_assert(lock_is_held((mgr)->ext_lock) != LOCK_STATE_NOT_HELD)
>> +/**
>> + * drm_gpuva_manager_set_ext_lock - set the external lock according to
>> + * @DRM_GPUVA_MANAGER_LOCK_EXTERN
>> + * @mgr: the &drm_gpuva_manager to set the lock for
>> + * @lock: the lock to set
>> + *
>> + * If @DRM_GPUVA_MANAGER_LOCK_EXTERN is set, drivers need to call this function
>> + * to provide the lock used to lock linking and unlinking of &drm_gpuvas to the...
2023 Jun 29
3
[PATCH drm-next v6 02/13] drm: manager to keep track of GPUs VA mappings
....
+ *
+ * The GPU VA manager also does not take care of the locking of the backing
+ * &drm_gem_object buffers GPU VA lists by itself; drivers are responsible to
+ * enforce mutual exclusion using either the GEMs dma_resv lock or alternatively
+ * a driver specific external lock by setting the @DRM_GPUVA_MANAGER_LOCK_EXTERN
+ * flag.
+ *
+ * For the latter, functions such as drm_gpuva_link() or drm_gpuva_unlink()
+ * contain lockdep checks to indicate locking issues. For this to work drivers
+ * must provide (in case the @DRM_GPUVA_MANAGER_LOCK_EXTERN flag is set) their
+ * external lock with drm_gpuva_manager_set_ext...
2023 Jul 13
1
[PATCH drm-next v7 02/13] drm: manager to keep track of GPUs VA mappings
....
+ *
+ * The GPU VA manager also does not take care of the locking of the backing
+ * &drm_gem_object buffers GPU VA lists by itself; drivers are responsible to
+ * enforce mutual exclusion using either the GEMs dma_resv lock or alternatively
+ * a driver specific external lock by setting the @DRM_GPUVA_MANAGER_LOCK_EXTERN
+ * flag.
+ *
+ * For the latter, functions such as drm_gpuva_link() or drm_gpuva_unlink()
+ * contain lockdep checks to indicate locking issues. For this to work drivers
+ * must provide (in case the @DRM_GPUVA_MANAGER_LOCK_EXTERN flag is set) their
+ * external lock with drm_gpuva_manager_set_ext...