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authorThomas Zimmermann <tzimmermann@suse.de>2021-11-08 10:31:49 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2021-11-15 11:46:13 +0100
commita193f3b4e050e35c506a34d0870c838d8e0b0449 (patch)
tree62c77f876684db7295560173d6311cd4c708b157 /drivers/gpu/drm/panfrost/panfrost_gem.c
parentc7fbcb7149ff9321bbbcc93c9920de534ea8102c (diff)
drm/shmem-helper: Pass GEM shmem object in public interfaces
Change all GEM SHMEM object functions that receive a GEM object of type struct drm_gem_object to expect an object of type struct drm_gem_shmem_object instead. This change reduces the number of upcasts from struct drm_gem_object by moving them into callers. The C compiler can now verify that the GEM SHMEM functions are called with the correct type. For consistency, the patch also renames drm_gem_shmem_free_object to drm_gem_shmem_free. It further updates documentation for a number of functions. v3: * fix docs for drm_gem_shmem_object_free() v2: * mention _object_ callbacks in docs (Daniel) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20211108093149.7226-4-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_gem.c')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_gem.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c
index be1cc6579a71..6d9bdb9180cb 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.c
@@ -49,7 +49,7 @@ static void panfrost_gem_free_object(struct drm_gem_object *obj)
kvfree(bo->sgts);
}
- drm_gem_shmem_free_object(obj);
+ drm_gem_shmem_free(&bo->base);
}
struct panfrost_gem_mapping *
@@ -187,10 +187,12 @@ void panfrost_gem_close(struct drm_gem_object *obj, struct drm_file *file_priv)
static int panfrost_gem_pin(struct drm_gem_object *obj)
{
- if (to_panfrost_bo(obj)->is_heap)
+ struct panfrost_gem_object *bo = to_panfrost_bo(obj);
+
+ if (bo->is_heap)
return -EINVAL;
- return drm_gem_shmem_pin(obj);
+ return drm_gem_shmem_pin(&bo->base);
}
static const struct drm_gem_object_funcs panfrost_gem_funcs = {