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SubjectRe: [PATCH] drm/bridge: imx8mp-hdmi-pvi: Fix build warnings
On 07/02/2024 01:23, Adam Ford wrote:
> 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@kernel.org
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202402062134.a6CqAt3s-lkp@intel.com/
> Signed-off-by: Adam Ford <aford173@gmail.com>
>
> 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);

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>

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