VRAM MM is most likely be used with GEM VRAM. The latter now provides the required instance of struct drm_vram_mm_funcs for drivers to use.
Signed-off-by: Thomas Zimmermann tzimmermann@suse.de --- drivers/gpu/drm/drm_gem_vram_helper.c | 14 ++++++++++++++ include/drm/drm_gem_vram_helper.h | 3 +++ 2 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index e5a0dcf97ba8..37979fb3062b 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -2,6 +2,7 @@
#include <drm/drm_gem_vram_helper.h> #include <drm/drm_mode.h> +#include <drm/drm_vram_mm_helper.h> #include <drm/ttm/ttm_page_alloc.h>
/** @@ -521,6 +522,19 @@ int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo, } EXPORT_SYMBOL(drm_gem_vram_bo_driver_verify_access);
+/** + * drm_gem_vram_mm_funcs - Functions for &struct drm_vram_mm + * + * Most users of @struct drm_gem_vram_object will also use + * @struct drm_vram_mm. This instance of &struct drm_vram_mm_funcs + * can be used to connect both. + */ +const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs = { + .evict_flags = drm_gem_vram_bo_driver_evict_flags, + .verify_access = drm_gem_vram_bo_driver_verify_access +}; +EXPORT_SYMBOL(drm_gem_vram_mm_funcs); + /* * Helpers for struct drm_driver */ diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h index 1eb42919b9fb..3f250f59eaa5 100644 --- a/include/drm/drm_gem_vram_helper.h +++ b/include/drm/drm_gem_vram_helper.h @@ -9,6 +9,7 @@ #include <linux/kernel.h> /* for container_of() */
struct drm_mode_create_dumb; +struct drm_vram_mm_funcs; struct filp;
#define DRM_GEM_VRAM_PL_FLAG_VRAM TTM_PL_FLAG_VRAM @@ -107,6 +108,8 @@ void drm_gem_vram_bo_driver_evict_flags(struct ttm_buffer_object *bo, int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo, struct file *filp);
+extern const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs; + /* * Helpers for struct drm_driver */