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From:   YueHaibing <yuehaibing@huawei.com>
To:     <a.hajda@samsung.com>, <narmstrong@baylibre.com>,
        <Laurent.pinchart@ideasonboard.com>, <jonas@kwiboo.se>,
        <jernej.skrabec@siol.net>, <airlied@linux.ie>, <daniel@ffwll.ch>,
        <eric@anholt.net>
CC:     <linux-kernel@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
        YueHaibing <yuehaibing@huawei.com>
Subject: [PATCH v2] drm/bridge: lvds-encoder: Fix build error while CONFIG_DRM_KMS_HELPER=m
Date:   Mon, 29 Jul 2019 15:12:16 +0800
Message-ID: <20190729071216.27488-1-yuehaibing@huawei.com>
In-Reply-To: <20190729065344.9680-1-yuehaibing@huawei.com>
References: <20190729065344.9680-1-yuehaibing@huawei.com>
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Sender: linux-kernel-owner@vger.kernel.org
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If DRM_LVDS_ENCODER=y but CONFIG_DRM_KMS_HELPER=m,
build fails:

drivers/gpu/drm/bridge/lvds-encoder.o: In function `lvds_encoder_probe':
lvds-encoder.c:(.text+0x155): undefined reference to `devm_drm_panel_bridge_add'

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: dbb58bfd9ae6 ("drm/bridge: Fix lvds-encoder since the panel_bridge rework.")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
v2: remove tc358764 log in commit log, also fix Fixes tag
---
 drivers/gpu/drm/bridge/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index a6eec90..77e4b95 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -48,6 +48,7 @@ config DRM_DUMB_VGA_DAC
 config DRM_LVDS_ENCODER
 	tristate "Transparent parallel to LVDS encoder support"
 	depends on OF
+	select DRM_KMS_HELPER
 	select DRM_PANEL_BRIDGE
 	help
 	  Support for transparent parallel to LVDS encoders that don't require
-- 
2.7.4