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drm/stm: fix CONFIG_FB dependency 

The DRM_STM driver can be built independently of the framebuffer
layer, but it causes a Kconfig warning:

WARNING: unmet direct dependencies detected for FB_PROVIDE_GET_FB_UNMAPPED_AREA
  Depends on [n]: HAS_IOMEM [=y] && FB [=n]
  Selected by [y]:
  - DRM_STM [=y] && HAS_IOMEM [=y] && DRM [=y] && (ARCH_STM32 [=n] || ARCH_MULTIPLATFORM [=y])

Selecting FB_PROVIDE_GET_FB_UNMAPPED_AREA actually has no effect
if CONFIG_FB is disabled, so we can make it a conditional 'select'
instead.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190307155323.2949975-1-arnd@arndb.de
This commit is contained in:
Arnd Bergmann 2019-03-07 16:53:14 +01:00 committed by Benjamin Gaignard
parent eea9b97b45
commit a34ced4541
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/stm/Kconfig
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@ -6,7 +6,7 @@ config DRM_STM
select DRM_KMS_CMA_HELPER
select DRM_PANEL_BRIDGE
select VIDEOMODE_HELPERS
select FB_PROVIDE_GET_FB_UNMAPPED_AREA
select FB_PROVIDE_GET_FB_UNMAPPED_AREA if FB
help
Enable support for the on-chip display controller on