Merge tag 'mediatek-drm-fixes-2016-08-12' of git://git.pengutronix.de/git/pza/linux into drm-fixes

mediatek-drm build dependency fixes

- add COMMON_CLK dependency for mipi-tx PLL
- add OF dependency for mtk_drm_drv
- add ARM_SMCCC dependency for mtk-hdmi

* tag 'mediatek-drm-fixes-2016-08-12' of git://git.pengutronix.de/git/pza/linux:
  drm/mediatek: add ARM_SMCCC dependency
  drm/mediatek: add CONFIG_OF dependency
  drm/mediatek: add COMMON_CLK dependency
diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig
index 23ac804..294de45 100644
--- a/drivers/gpu/drm/mediatek/Kconfig
+++ b/drivers/gpu/drm/mediatek/Kconfig
@@ -2,6 +2,9 @@
 	tristate "DRM Support for Mediatek SoCs"
 	depends on DRM
 	depends on ARCH_MEDIATEK || (ARM && COMPILE_TEST)
+	depends on COMMON_CLK
+	depends on HAVE_ARM_SMCCC
+	depends on OF
 	select DRM_GEM_CMA_HELPER
 	select DRM_KMS_HELPER
 	select DRM_MIPI_DSI