Hi Krzysztof,
> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Sent: Sunday, May 7, 2023 8:18 PM
> To: Inki Dae <inki.dae@xxxxxxxxxxx>; Seung-Woo Kim
> <sw0312.kim@xxxxxxxxxxx>; Kyungmin Park
> <kyungmin.park@xxxxxxxxxxx>; David Airlie <airlied@xxxxxxxxx>; Daniel
> Vetter <daniel@xxxxxxxx>; Krzysztof Kozlowski
> <krzysztof.kozlowski@xxxxxxxxxx>; Alim Akhtar <alim.akhtar@xxxxxxxxxxx>;
> Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>; dri-
> devel@xxxxxxxxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> samsung-soc@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH] drm/exynos: g2d: staticize stubs in header
>
> Stubs for !CONFIG_DRM_EXYNOS_G2D case in the header should be static
> inline:
>
> drivers/gpu/drm/exynos/exynos_drm_g2d.h:37:5: warning: no previous
> prototype for ‘g2d_open’ [-Wmissing-prototypes]
> drivers/gpu/drm/exynos/exynos_drm_g2d.h:42:6: warning: no previous
> prototype for ‘g2d_close’ [-Wmissing-prototypes]
>
> Fixes: eb4d9796fa34 ("drm/exynos: g2d: Convert to driver component API")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> drivers/gpu/drm/exynos/exynos_drm_g2d.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.h
> b/drivers/gpu/drm/exynos/exynos_drm_g2d.h
> index 74ea3c26dead..1a5ae781b56c 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.h
> +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.h
> @@ -34,11 +34,11 @@ static inline int exynos_g2d_exec_ioctl(struct
> drm_device *dev, void *data,
> return -ENODEV;
> }
>
> -int g2d_open(struct drm_device *drm_dev, struct drm_file *file)
> +static inline int g2d_open(struct drm_device *drm_dev, struct drm_file *file)
> {
> return 0;
> }
>
> -void g2d_close(struct drm_device *drm_dev, struct drm_file *file)
> +static inline void g2d_close(struct drm_device *drm_dev, struct drm_file *file)
> { }
> #endif
> --
> 2.34.1
