Hi Am 05.03.23 um 23:10 schrieb Dmitry Osipenko:
Export drm_gem_un/pin() functions. They will be used by VirtIO-GPU driver for pinning of an active framebuffer, preventing it from swapping out by memory shrinker.
Please see my reply to [10/11] on why this patch should not be used. Best regards Thomas
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx> --- drivers/gpu/drm/drm_gem.c | 2 ++ drivers/gpu/drm/drm_internal.h | 2 -- include/drm/drm_gem.h | 3 +++ 3 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 3da34b121c93..6492c47b7142 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -1153,12 +1153,14 @@ int drm_gem_pin(struct drm_gem_object *obj) else return 0; } +EXPORT_SYMBOL(drm_gem_pin);void drm_gem_unpin(struct drm_gem_object *obj){ if (obj->funcs->unpin) obj->funcs->unpin(obj); } +EXPORT_SYMBOL(drm_gem_unpin);int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map){ diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h index d7e023bbb0d5..55d0ee7475f7 100644 --- a/drivers/gpu/drm/drm_internal.h +++ b/drivers/gpu/drm/drm_internal.h @@ -173,8 +173,6 @@ void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); void drm_gem_print_info(struct drm_printer *p, unsigned int indent, const struct drm_gem_object *obj);-int drm_gem_pin(struct drm_gem_object *obj);-void drm_gem_unpin(struct drm_gem_object *obj); int drm_gem_vmap(struct drm_gem_object *obj, struct iosys_map *map); void drm_gem_vunmap(struct drm_gem_object *obj, struct iosys_map *map);diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.hindex 7bd8e2bbbb36..f7703cb66569 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -493,4 +493,7 @@ unsigned long drm_gem_lru_scan(struct drm_gem_lru *lru,int drm_gem_evict(struct drm_gem_object *obj); +int drm_gem_pin(struct drm_gem_object *obj);+void drm_gem_unpin(struct drm_gem_object *obj); + #endif /* __DRM_GEM_H__ */
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev
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