[PATCH] drm/qxl: remove unused declaration

[Maxime Ripard]

On Fri, 10 Nov 2023 13:50:31 +0800, heminhong wrote:
> Some functions are never used by the driver,
> removing the functions declaration, it can be reducing program size,
> and improving code readability and maintainability.
> 
> 

Applied to drm/drm-misc (drm-misc-next).

Thanks!
Maxime