Hello,
On Tue, Apr 23, 2024 at 10:32:36PM +0100, Adrián Larumbe wrote:
> When vm-binding an already-created BO, the entirety of its virtual size is
> then backed by system memory, so its RSS is always the same as its virtual
> size.
How is that relevant to this patch? Or to put it differently: how are your
words describing your code change here?
>
> 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.
Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx>
Best regards,
Liviu
>
> Signed-off-by: Adrián Larumbe <adrian.larumbe@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 d6483266d0c2..386c0dfeeb5f 100644
> --- a/drivers/gpu/drm/panthor/panthor_gem.c
> +++ b/drivers/gpu/drm/panthor/panthor_gem.c
> @@ -143,6 +143,17 @@ 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,
> @@ -152,6 +163,7 @@ 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,
> };
> --
> 2.44.0
>
--
====================
| I would like to |
| fix the world, |
| but they're not |
| giving me the |
\ source code! /
---------------
¯\_(ツ)_/¯
