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Diffstat (limited to 'include/drm/drm_drv.h')
-rw-r--r--include/drm/drm_drv.h17
1 files changed, 11 insertions, 6 deletions
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 0cd95953cdf5..f6159acb8856 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -291,8 +291,9 @@ struct drm_driver {
/**
* @gem_create_object: constructor for gem objects
*
- * Hook for allocating the GEM object struct, for use by the CMA and
- * SHMEM GEM helpers.
+ * Hook for allocating the GEM object struct, for use by the CMA
+ * and SHMEM GEM helpers. Returns a GEM object on success, or an
+ * ERR_PTR()-encoded error code otherwise.
*/
struct drm_gem_object *(*gem_create_object)(struct drm_device *dev,
size_t size);
@@ -345,11 +346,14 @@ struct drm_driver {
* mmap hook for GEM drivers, used to implement dma-buf mmap in the
* PRIME helpers.
*
- * FIXME: There's way too much duplication going on here, and also moved
- * to &drm_gem_object_funcs.
+ * This hook only exists for historical reasons. Drivers must use
+ * drm_gem_prime_mmap() to implement it.
+ *
+ * FIXME: Convert all drivers to implement mmap in struct
+ * &drm_gem_object_funcs and inline drm_gem_prime_mmap() into
+ * its callers. This hook should be removed afterwards.
*/
- int (*gem_prime_mmap)(struct drm_gem_object *obj,
- struct vm_area_struct *vma);
+ int (*gem_prime_mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma);
/**
* @dumb_create:
@@ -598,5 +602,6 @@ static inline bool drm_drv_uses_atomic_modeset(struct drm_device *dev)
int drm_dev_set_unique(struct drm_device *dev, const char *name);
+extern bool drm_firmware_drivers_only(void);
#endif