Thomas Zimmermann
2023-Mar-07 10:43 UTC
[PATCH v12 09/11] drm/gem: Export drm_gem_pin/unpin()
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 at collabora.com> > --- > 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.h > index 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 N?rnberg, Germany (HRB 36809, AG N?rnberg) Gesch?ftsf?hrer: Ivo Totev -------------- next part -------------- A non-text attachment was scrubbed... Name: OpenPGP_signature Type: application/pgp-signature Size: 840 bytes Desc: OpenPGP digital signature URL: <http://lists.linuxfoundation.org/pipermail/virtualization/attachments/20230307/fa15aea6/attachment-0001.sig>