diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_object_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 00c844caeabd..6f446cca4322 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -57,9 +57,26 @@ struct drm_i915_gem_object_ops { void (*put_pages)(struct drm_i915_gem_object *obj, struct sg_table *pages); int (*truncate)(struct drm_i915_gem_object *obj); - int (*shrinker_release_pages)(struct drm_i915_gem_object *obj, - bool no_gpu_wait, - bool should_writeback); + /** + * shrink - Perform further backend specific actions to facilate + * shrinking. + * @obj: The gem object + * @flags: Extra flags to control shrinking behaviour in the backend + * + * Possible values for @flags: + * + * I915_GEM_OBJECT_SHRINK_WRITEBACK - Try to perform writeback of the + * backing pages, if supported. + * + * I915_GEM_OBJECT_SHRINK_NO_GPU_WAIT - Don't wait for the object to + * idle. Active objects can be considered later. The TTM backend for + * example might have aync migrations going on, which don't use any + * i915_vma to track the active GTT binding, and hence having an unbound + * object might not be enough. + */ +#define I915_GEM_OBJECT_SHRINK_WRITEBACK BIT(0) +#define I915_GEM_OBJECT_SHRINK_NO_GPU_WAIT BIT(1) + int (*shrink)(struct drm_i915_gem_object *obj, unsigned int flags); int (*pread)(struct drm_i915_gem_object *obj, const struct drm_i915_gem_pread *arg); |