[PATCH v2 1/4] drm/gem-shmem-helper: Export drm_gem_shmem_funcs

Daniel Vetter daniel.vetter at ffwll.ch
Thu Jun 3 15:03:23 UTC 2021


Drivers which need to overwrite the drm_driver->gem_create_object hook
need this. Specifically vgem, which wants wc mode, but everything else
is fine as-is.

Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Maxime Ripard <mripard at kernel.org>
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Cc: David Airlie <airlied at linux.ie>
Cc: Daniel Vetter <daniel at ffwll.ch>
---
 drivers/gpu/drm/drm_gem_shmem_helper.c | 3 ++-
 include/drm/drm_gem_shmem_helper.h     | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 6d625cee7a6a..4439004e62fe 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -24,7 +24,7 @@
  * allocated using anonymous pageable memory.
  */
 
-static const struct drm_gem_object_funcs drm_gem_shmem_funcs = {
+const struct drm_gem_object_funcs drm_gem_shmem_funcs = {
 	.free = drm_gem_shmem_free_object,
 	.print_info = drm_gem_shmem_print_info,
 	.pin = drm_gem_shmem_pin,
@@ -34,6 +34,7 @@ static const struct drm_gem_object_funcs drm_gem_shmem_funcs = {
 	.vunmap = drm_gem_shmem_vunmap,
 	.mmap = drm_gem_shmem_mmap,
 };
+EXPORT_SYMBOL(drm_gem_shmem_funcs);
 
 static struct drm_gem_shmem_object *
 __drm_gem_shmem_create(struct drm_device *dev, size_t size, bool private)
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index 434328d8a0d9..b29667f2b8a3 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -106,6 +106,7 @@ struct drm_gem_shmem_object {
 #define to_drm_gem_shmem_obj(obj) \
 	container_of(obj, struct drm_gem_shmem_object, base)
 
+extern const struct drm_gem_object_funcs drm_gem_shmem_funcs;
 struct drm_gem_shmem_object *drm_gem_shmem_create(struct drm_device *dev, size_t size);
 void drm_gem_shmem_free_object(struct drm_gem_object *obj);
 
-- 
2.31.0



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