On Tue, 3 Sep 2024 21:25:37 +0100 Adrián Larumbe <adrian.larumbe@xxxxxxxxxxxxx> wrote: > Implement drm object's status callback. > > Also, we consider a PRIME imported BO to be resident if its matching > dma_buf has an open attachment, which means its backing storage had already > been allocated. > > Signed-off-by: Adrián Larumbe <adrian.larumbe@xxxxxxxxxxxxx> > Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx> Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> > --- > drivers/gpu/drm/panthor/panthor_gem.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/gpu/drm/panthor/panthor_gem.c b/drivers/gpu/drm/panthor/panthor_gem.c > index 38f560864879..c60b599665d8 100644 > --- a/drivers/gpu/drm/panthor/panthor_gem.c > +++ b/drivers/gpu/drm/panthor/panthor_gem.c > @@ -145,6 +145,17 @@ panthor_gem_prime_export(struct drm_gem_object *obj, int flags) > return drm_gem_prime_export(obj, flags); > } > > +static enum drm_gem_object_status panthor_gem_status(struct drm_gem_object *obj) > +{ > + struct panthor_gem_object *bo = to_panthor_bo(obj); > + enum drm_gem_object_status res = 0; > + > + if (bo->base.base.import_attach || bo->base.pages) > + res |= DRM_GEM_OBJECT_RESIDENT; > + > + return res; > +} > + > static const struct drm_gem_object_funcs panthor_gem_funcs = { > .free = panthor_gem_free_object, > .print_info = drm_gem_shmem_object_print_info, > @@ -154,6 +165,7 @@ static const struct drm_gem_object_funcs panthor_gem_funcs = { > .vmap = drm_gem_shmem_object_vmap, > .vunmap = drm_gem_shmem_object_vunmap, > .mmap = panthor_gem_mmap, > + .status = panthor_gem_status, > .export = panthor_gem_prime_export, > .vm_ops = &drm_gem_shmem_vm_ops, > };