We get 2 warnings when building kernel with W=1:
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:1053:5: warning: no previous 
prototype for 'analogix_dp_get_modes' [-Wmissing-prototypes]
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:1097:1: warning: no previous 
prototype for 'analogix_dp_detect' [-Wmissing-prototypes]

In fact, both functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
So this patch marks both functions with 'static'.

Signed-off-by: Baoyou Xie <baoyou....@linaro.org>
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c 
index efac8ab..e6f7290 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1050,7 +1050,7 @@ out:
        return ret;
-int analogix_dp_get_modes(struct drm_connector *connector)
+static int analogix_dp_get_modes(struct drm_connector *connector)
        struct analogix_dp_device *dp = to_dp(connector);
        struct edid *edid = (struct edid *)dp->edid;
@@ -1093,7 +1093,7 @@ static const struct drm_connector_helper_funcs 
        .best_encoder = analogix_dp_best_encoder,
-enum drm_connector_status
+static enum drm_connector_status
 analogix_dp_detect(struct drm_connector *connector, bool force)
        struct analogix_dp_device *dp = to_dp(connector);

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