This is a note to let you know that I've just added the patch titled drm/exynos: fix g2d_open/close helper function definitions to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-exynos-fix-g2d_open-close-helper-function-defini.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 1db295888bbc13bad4c23294abb3966efa6e32c1 Author: Arnd Bergmann <arnd@xxxxxxxx> Date: Mon Apr 17 23:04:11 2023 +0200 drm/exynos: fix g2d_open/close helper function definitions [ Upstream commit 2ef0785b30bd6549ddbc124979f1b6596e065ae2 ] The empty stub functions are defined as global functions, which causes a warning because of missing prototypes: drivers/gpu/drm/exynos/exynos_drm_g2d.h:37:5: error: no previous prototype for 'g2d_open' drivers/gpu/drm/exynos/exynos_drm_g2d.h:42:5: error: no previous prototype for 'g2d_close' Mark them as 'static inline' to avoid the warning and to make them behave as intended. Fixes: eb4d9796fa34 ("drm/exynos: g2d: Convert to driver component API") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx> Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.h b/drivers/gpu/drm/exynos/exynos_drm_g2d.h index 287b2ed8f1782..60e420cd4caaa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.h +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.h @@ -37,11 +37,11 @@ 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