[PATCH] drm/bridge: imx8mp-hdmi-pvi: Fix build warnings

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Two separate build warnings were reported.  One from an
uninitialized variable, and the other from returning 0
instead of NULL from a pointer.

Fixes: 059c53e877ca ("drm/bridge: imx: add driver for HDMI TX Parallel Video Interface")
Reported-by: nathan@xxxxxxxxxx
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202402062134.a6CqAt3s-lkp@xxxxxxxxx/
Signed-off-by: Adam Ford <aford173@xxxxxxxxx>

diff --git a/drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pvi.c b/drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pvi.c
index a76b7669fe8a..f2a09c879e3d 100644
--- a/drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pvi.c
+++ b/drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pvi.c
@@ -57,7 +57,7 @@ static void imx8mp_hdmi_pvi_bridge_enable(struct drm_bridge *bridge,
 	const struct drm_display_mode *mode;
 	struct drm_crtc_state *crtc_state;
 	struct drm_connector *connector;
-	u32 bus_flags, val;
+	u32 bus_flags = 0, val;
 
 	connector = drm_atomic_get_new_connector_for_encoder(state, bridge->encoder);
 	conn_state = drm_atomic_get_new_connector_state(state, connector);
@@ -110,7 +110,7 @@ imx8mp_hdmi_pvi_bridge_get_input_bus_fmts(struct drm_bridge *bridge,
 	struct drm_bridge_state *next_state;
 
 	if (!next_bridge->funcs->atomic_get_input_bus_fmts)
-		return 0;
+		return NULL;
 
 	next_state = drm_atomic_get_new_bridge_state(crtc_state->state,
 						     next_bridge);
-- 
2.43.0




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