[PATCH 4/4] drm/mediatek: mtk_hdmi_ddc: Fix non-static global variable

[CK Hu (胡俊光)]

On Wed, 2026-04-29 at 11:59 +0200, Louis-Alexis Eyraud wrote:
> The struct 'mtk_hdmi_ddc_driver' is not used outside of the
> mtk_hdmi_ddc.c file, so make it static to silence sparse warning:
> ```
> drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c:331:24: sparse: warning: symbol
>   'mtk_hdmi_ddc_driver' was not declared. Should it be static?
> ```

Reviewed-by: CK Hu <ck.hu at mediatek.com>

> 
> Fixes: c241118b6216 ("drm/mediatek: mtk_hdmi_ddc: Switch to register as module_platform_driver")
> Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud at collabora.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c b/drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c
> index 6358e1af69b4..2acbdb025d89 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_ddc.c
> @@ -328,7 +328,7 @@ static const struct of_device_id mtk_hdmi_ddc_match[] = {
>  };
>  MODULE_DEVICE_TABLE(of, mtk_hdmi_ddc_match);
>  
> -struct platform_driver mtk_hdmi_ddc_driver = {
> +static struct platform_driver mtk_hdmi_ddc_driver = {
>  	.probe = mtk_hdmi_ddc_probe,
>  	.remove = mtk_hdmi_ddc_remove,
>  	.driver = {
>