[PATCH 5.7 246/265] drm: rcar-du: Fix build error

Sasha Levin
2020-06-29T21:56:59Z

From: Daniel Gomez <dagmcr@gmail.com>

commit 5f9af404eec82981c4345c9943be48422234e7ab upstream.

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: c6a27fa41fab ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/rcar-du/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/rcar-du/Kconfig b/drivers/gpu/drm/rcar-du/Kconfig
index 0919f1f159a49..f65d1489dc509 100644
--- a/drivers/gpu/drm/rcar-du/Kconfig
+++ b/drivers/gpu/drm/rcar-du/Kconfig
@@ -31,6 +31,7 @@ config DRM_RCAR_DW_HDMI
config DRM_RCAR_LVDS
tristate "R-Car DU LVDS Encoder Support"
depends on DRM && DRM_BRIDGE && OF
+ select DRM_KMS_HELPER
select DRM_PANEL
select OF_FLATTREE
select OF_OVERLAY
--
2.25.1