From: Arnd Bergmann Date: Thu, 29 Jan 2015 16:16:38 +0000 (+0100) Subject: drm: shmobile: fix Kconfig dependencies X-Git-Tag: firefly_0821_release~176^2~2312^2~15 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=56a8620a15bbc05d8ef57ace7fc769372de1178a;p=firefly-linux-kernel-4.4.55.git drm: shmobile: fix Kconfig dependencies The shmobile drm driver selects BACKLIGHT_CLASS_DEVICE as of 0a5a5499ad88 "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 Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/shmobile/Kconfig b/drivers/gpu/drm/shmobile/Kconfig index a50fe0eeaa0d..8d17d00ddb4b 100644 --- a/drivers/gpu/drm/shmobile/Kconfig +++ b/drivers/gpu/drm/shmobile/Kconfig @@ -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