kernel: modules: video: package DRM VRAM helper

bcm27xx DRM packages depend on it.

Signed-off-by: Álvaro Fernández Rojas <[email protected]>

package/kernel/linux/modules/video.mk

@@ -432,6 +432,23 @@ endef
 
 $(eval $(call KernelPackage,drm-suballoc-helper))
 
+define KernelPackage/drm-vram-helper
+  SUBMENU:=$(VIDEO_MENU)
+  HIDDEN:=1
+  TITLE:=DRM helpers for VRAM memory management
+  DEPENDS:=@DISPLAY_SUPPORT \
+    +kmod-drm-kms-helper +kmod-drm-ttm-helper
+  KCONFIG:=CONFIG_DRM_VRAM_HELPER
+  FILES:=$(LINUX_DIR)/drivers/gpu/drm/drm_vram_helper.ko
+  AUTOLOAD:=$(call AutoProbe,drm_vram_helper)
+endef
+
+define KernelPackage/drm-vram-helper/description
+  DRM helpers for VRAM memory management.
+endef
+
+$(eval $(call KernelPackage,drm-vram-helper))
+
 define KernelPackage/drm-amdgpu
   SUBMENU:=$(VIDEO_MENU)
   TITLE:=AMDGPU DRM support