Messages in this thread Patch in this message | | | From | Adrián Larumbe <> | Subject | [PATCH v2 3/3] drm/panthor: Enable fdinfo for memory stats | Date | Tue, 23 Apr 2024 22:32:36 +0100 |
| |
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.
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@collabora.com> --- 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
| |