Select DRM_KMS_HELPER dependency.
Build error when DRM_KMS_HELPER is not selected:
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd48): undefined reference to `drm_atomic_helper_bridge_duplicate_state'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd50): undefined reference to `drm_atomic_helper_bridge_destroy_state'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xd70): undefined reference to `drm_atomic_helper_bridge_reset'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xdc8): undefined reference to `drm_atomic_helper_connector_reset'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xde0): undefined reference to `drm_helper_probe_single_connector_modes'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xe08): undefined reference to `drm_atomic_helper_connector_duplicate_state'
drivers/gpu/drm/rcar-du/rcar_lvds.o:(.rodata+0xe10): undefined reference to `drm_atomic_helper_connector_destroy_state'
Fixes: c6a27fa41f ("drm: rcar-du: Convert LVDS encoder code to bridge driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
		
	
			
		
			
				
	
	
		
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			52 lines
		
	
	
		
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| # SPDX-License-Identifier: GPL-2.0
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| config DRM_RCAR_DU
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| 	tristate "DRM Support for R-Car Display Unit"
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| 	depends on DRM && OF
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| 	depends on ARM || ARM64
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| 	depends on ARCH_RENESAS || COMPILE_TEST
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| 	imply DRM_RCAR_CMM
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| 	imply DRM_RCAR_LVDS
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| 	select DRM_KMS_HELPER
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| 	select DRM_KMS_CMA_HELPER
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| 	select DRM_GEM_CMA_HELPER
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| 	select VIDEOMODE_HELPERS
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| 	help
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| 	  Choose this option if you have an R-Car chipset.
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| 	  If M is selected the module will be called rcar-du-drm.
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| 
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| config DRM_RCAR_CMM
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| 	tristate "R-Car DU Color Management Module (CMM) Support"
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| 	depends on DRM && OF
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| 	depends on DRM_RCAR_DU
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| 	help
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| 	  Enable support for R-Car Color Management Module (CMM).
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| 
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| config DRM_RCAR_DW_HDMI
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| 	tristate "R-Car DU Gen3 HDMI Encoder Support"
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| 	depends on DRM && OF
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| 	select DRM_DW_HDMI
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| 	help
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| 	  Enable support for R-Car Gen3 internal HDMI encoder.
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| 
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| config DRM_RCAR_LVDS
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| 	tristate "R-Car DU LVDS Encoder Support"
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| 	depends on DRM && DRM_BRIDGE && OF
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| 	select DRM_KMS_HELPER
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| 	select DRM_PANEL
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| 	select OF_FLATTREE
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| 	select OF_OVERLAY
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| 	help
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| 	  Enable support for the R-Car Display Unit embedded LVDS encoders.
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| 
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| config DRM_RCAR_VSP
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| 	bool "R-Car DU VSP Compositor Support" if ARM
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| 	default y if ARM64
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| 	depends on DRM_RCAR_DU
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| 	depends on VIDEO_RENESAS_VSP1=y || (VIDEO_RENESAS_VSP1 && DRM_RCAR_DU=m)
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| 	help
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| 	  Enable support to expose the R-Car VSP Compositor as KMS planes.
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| 
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| config DRM_RCAR_WRITEBACK
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| 	bool
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| 	default y if ARM64
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