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drm: shmobile: fix Kconfig dependencies

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The shmobile drm driver selects BACKLIGHT_CLASS_DEVICE
as of 0a5a5499ad "drm: shmobile: Add dependency on
BACKLIGHT_CLASS_DEVICE", but that option in turn depends
on BACKLIGHT_LCD_SUPPORT, so we actually have to select
both, or alternatively use 'depends on BACKLIGHT_CLASS_DEVICE'.

Further, the driver uses FB_SH_MOBILE_MERAM if that is
enabled, but this breaks if MERAM is a module while
the DRM driver is built-in. To solve this, add a dependency
on "FB_SH_MOBILE_MERAM || !FB_SH_MOBILE_MERAM", which forces
DRM_SHMOBILE to be a module if FB_SH_MOBILE_MERAM set to 'm'.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dave Airlie <airlied@gmail.com>
This commit is contained in:
Arnd Bergmann 2015-01-29 17:16:38 +01:00 committed by Dave Airlie
parent 8e6a363def
commit 56a8620a15
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/shmobile/Kconfig
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@ -2,7 +2,9 @@ config DRM_SHMOBILE
tristate "DRM Support for SH Mobile"
depends on DRM && ARM
depends on ARCH_SHMOBILE || COMPILE_TEST
depends on FB_SH_MOBILE_MERAM || !FB_SH_MOBILE_MERAM
select BACKLIGHT_CLASS_DEVICE
select BACKLIGHT_LCD_SUPPORT
select DRM_KMS_HELPER
select DRM_KMS_FB_HELPER
select DRM_KMS_CMA_HELPER