drm/vram: fix Kconfig

select isn't recursive, so we can't turn on DRM_TTM + DRM_TTM_HELPER
in config DRM_VRAM_HELPER, we have to select them on the vram users
instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190904054740.20817-8-kraxel@redhat.com

drivers/gpu/drm/Kconfig

@@ -168,8 +168,6 @@ config DRM_TTM
 config DRM_VRAM_HELPER
 	tristate
 	depends on DRM
-	select DRM_TTM
-	select DRM_TTM_HELPER
 	help
 	  Helpers for VRAM memory management
 

drivers/gpu/drm/ast/Kconfig

@@ -4,6 +4,8 @@ config DRM_AST
 	depends on DRM && PCI && MMU
 	select DRM_KMS_HELPER
 	select DRM_VRAM_HELPER
+	select DRM_TTM
+	select DRM_TTM_HELPER
 	help
 	 Say yes for experimental AST GPU driver. Do not enable
 	 this driver without having a working -modesetting,

drivers/gpu/drm/bochs/Kconfig

@@ -4,6 +4,8 @@ config DRM_BOCHS
 	depends on DRM && PCI && MMU
 	select DRM_KMS_HELPER
 	select DRM_VRAM_HELPER
+	select DRM_TTM
+	select DRM_TTM_HELPER
 	help
 	  Choose this option for qemu.
 	  If M is selected the module will be called bochs-drm.

drivers/gpu/drm/hisilicon/hibmc/Kconfig

@@ -4,7 +4,8 @@ config DRM_HISI_HIBMC
 	depends on DRM && PCI && MMU
 	select DRM_KMS_HELPER
 	select DRM_VRAM_HELPER
-
+	select DRM_TTM
+	select DRM_TTM_HELPER
 	help
 	  Choose this option if you have a Hisilicon Hibmc soc chipset.
 	  If M is selected the module will be called hibmc-drm.

drivers/gpu/drm/mgag200/Kconfig

@@ -4,6 +4,8 @@ config DRM_MGAG200
 	depends on DRM && PCI && MMU
 	select DRM_KMS_HELPER
 	select DRM_VRAM_HELPER
+	select DRM_TTM
+	select DRM_TTM_HELPER
 	help
 	 This is a KMS driver for the MGA G200 server chips, it
          does not support the original MGA G200 or any of the desktop

drivers/gpu/drm/vboxvideo/Kconfig

@@ -4,6 +4,8 @@ config DRM_VBOXVIDEO
 	depends on DRM && X86 && PCI
 	select DRM_KMS_HELPER
 	select DRM_VRAM_HELPER
+	select DRM_TTM
+	select DRM_TTM_HELPER
 	select GENERIC_ALLOCATOR
 	help
 	  This is a KMS driver for the virtual Graphics Card used in