[PATCH] drm/qxl: Remove empty qxl_gem_prime_mmap()

[Gerd Hoffmann]

On Thu, Jun 24, 2021 at 11:05:00AM +0200, Thomas Zimmermann wrote:
> The function qxl_gem_prime_mmap() returns an error. The two callers
> of gem_prime_mmap are drm_fbdev_fb_mmap() and drm_gem_dmabuf_mmap(),
> which both already handle NULL-callbacks with an error code. So clear
> gem_prime_mmap in qxl and remove qxl_gem_prime_mmap().

Reviewed-by: Gerd Hoffmann <kraxel at redhat.com>