CONFIG_DRM_KMS_FB_HELPER selects CONFIG_FB, which is something it
really should not, to avoid circular dependencies and accidentally
including potentially dangerous user interfaces in the kernel,
so change this into a 'depends on' check.

Two device drivers currently select CONFIG_DRM_KMS_FB_HELPER, but
as far as I can tell, they do not really need to any more, so those
selects can be removed.

This leaves DRM_FBDEV_EMULATION as the only thing that rightfully
selects CONFIG_DRM_KMS_FB_HELPER, and this now has to depend on
CONFIG_FB and its dependencies.

Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
 drivers/gpu/drm/Kconfig       | 5 +++--
 drivers/gpu/drm/mxsfb/Kconfig | 1 -
 drivers/gpu/drm/zte/Kconfig   | 1 -
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 43594978958e..7c3109133685 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -80,7 +80,7 @@ config DRM_KMS_HELPER
 config DRM_KMS_FB_HELPER
        bool
        depends on DRM_KMS_HELPER
-       select FB
+       depends on FB
        select FRAMEBUFFER_CONSOLE if !EXPERT
        select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
        select FB_SYS_FOPS
@@ -111,7 +111,8 @@ config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
 
 config DRM_FBDEV_EMULATION
        bool "Enable legacy fbdev support for your modesetting driver"
-       depends on DRM
+       depends on DRM && FB
+       depends on FB=y || DRM=m
        select DRM_KMS_HELPER
        select DRM_KMS_FB_HELPER
        default y
diff --git a/drivers/gpu/drm/mxsfb/Kconfig b/drivers/gpu/drm/mxsfb/Kconfig
index 0dca8f27169e..33916b7b2c50 100644
--- a/drivers/gpu/drm/mxsfb/Kconfig
+++ b/drivers/gpu/drm/mxsfb/Kconfig
@@ -10,7 +10,6 @@ config DRM_MXSFB
        depends on COMMON_CLK
        select DRM_MXS
        select DRM_KMS_HELPER
-       select DRM_KMS_FB_HELPER
        select DRM_KMS_CMA_HELPER
        select DRM_PANEL
        help
diff --git a/drivers/gpu/drm/zte/Kconfig b/drivers/gpu/drm/zte/Kconfig
index 90ebaedc11fd..aa8594190b50 100644
--- a/drivers/gpu/drm/zte/Kconfig
+++ b/drivers/gpu/drm/zte/Kconfig
@@ -3,7 +3,6 @@ config DRM_ZTE
        tristate "DRM Support for ZTE SoCs"
        depends on DRM && ARCH_ZX
        select DRM_KMS_CMA_HELPER
-       select DRM_KMS_FB_HELPER
        select DRM_KMS_HELPER
        select SND_SOC_HDMI_CODEC if SND_SOC
        select VIDEOMODE_HELPERS
-- 
2.26.0

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