[PATCH v4 04/12] drm/fbdev: Select fbdev I/O helpers from modules that require them

[Thomas Zimmermann]

Fbdev emulation for SHMEM and TTM requires helpers from the fbdev
subsystem. Select them from the modules that use them instead of the
core DRM module.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt at intel.com>
---
 drivers/gpu/drm/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index db2e206a117c..88c4837d070c 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -11,7 +11,6 @@ menuconfig DRM
 	select DRM_PANEL_ORIENTATION_QUIRKS
 	select DRM_KMS_HELPER if DRM_FBDEV_EMULATION
 	select FB_CORE if DRM_FBDEV_EMULATION
-	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	select HDMI
 	select I2C
 	select DMA_SHARED_BUFFER
@@ -332,6 +331,7 @@ config DRM_TTM_HELPER
 	tristate
 	depends on DRM
 	select DRM_TTM
+	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	help
 	  Helpers for ttm-based gem objects
 
@@ -345,6 +345,7 @@ config DRM_GEM_DMA_HELPER
 config DRM_GEM_SHMEM_HELPER
 	tristate
 	depends on DRM && MMU
+	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	help
 	  Choose this if you need the GEM shmem helper functions
 
-- 
2.46.0