drm/vmwgfx: Removed unused snooper.crtc field

This field is not being used anymore
Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

@@ -153,7 +153,6 @@ enum vmw_cmdbuf_res_type {
 struct vmw_cmdbuf_res_manager;
 
 struct vmw_cursor_snooper {
-	struct drm_crtc *crtc;
 	size_t age;
 	uint32_t *image;
 };

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

@@ -188,7 +188,6 @@ int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
 
 	/* takedown old cursor */
 	if (du->cursor_surface) {
-		du->cursor_surface->snooper.crtc = NULL;
 		vmw_surface_unreference(&du->cursor_surface);
 	}
 	if (du->cursor_dmabuf)
@@ -200,7 +199,6 @@ int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
 		/* vmw_user_surface_lookup takes one reference */
 		du->cursor_surface = surface;
 
-		du->cursor_surface->snooper.crtc = crtc;
 		du->cursor_age = du->cursor_surface->snooper.age;
 		ret = vmw_cursor_update_image(dev_priv, surface->snooper.image,
 					      64, 64, hotspot_x, hotspot_y);

drivers/gpu/drm/vmwgfx/vmwgfx_surface.c

@@ -814,7 +814,6 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 	} else {
 		srf->snooper.image = NULL;
 	}
-	srf->snooper.crtc = NULL;
 
 	user_srf->prime.base.shareable = false;
 	user_srf->prime.base.tfile = NULL;