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drm/sun4i: add a Kconfig option for sun4i-backend 

As sun4i-backend is now a dedicated module, add an Kconfig option for
it to make it optional, since some build may only use other engines.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Icenowy Zheng 2017-05-17 22:47:19 +08:00 committed by Maxime Ripard
parent 8796933843
commit a43a42ad9c
2 changed files with 12 additions and 1 deletions
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10
drivers/gpu/drm/sun4i/Kconfig
View File

@ -12,3 +12,13 @@ config DRM_SUN4I
Choose this option if you have an Allwinner SoC with a
Display Engine. If M is selected the module will be called
sun4i-drm.
config DRM_SUN4I_BACKEND
tristate "Support for Allwinner A10 Display Engine Backend"
depends on DRM_SUN4I
default DRM_SUN4I
help
Choose this option if you have an Allwinner SoC with the
original Allwinner Display Engine, which has a backend to
do some alpha blending and feed graphics to TCON. If M is
selected the module will be called sun4i-backend.

3
drivers/gpu/drm/sun4i/Makefile
View File

@ -9,6 +9,7 @@ sun4i-tcon-y += sun4i_crtc.o
sun4i-backend-y += sun4i_backend.o sun4i_layer.o
obj-$(CONFIG_DRM_SUN4I) += sun4i-drm.o sun4i-tcon.o
obj-$(CONFIG_DRM_SUN4I) += sun4i-backend.o
obj-$(CONFIG_DRM_SUN4I) += sun6i_drc.o
obj-$(CONFIG_DRM_SUN4I) += sun4i_tv.o
obj-$(CONFIG_DRM_SUN4I_BACKEND) += sun4i-backend.o