drm/xe: drop xe_device_mem_access_get() from guc_ct_send

The callers should already be holding the mem_access reference, before
calling into this.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_guc_ct.c

@@ -625,14 +625,10 @@ static int guc_ct_send(struct xe_guc_ct *ct, const u32 *action, u32 len,
 
 	XE_BUG_ON(g2h_len && g2h_fence);
 
-	xe_device_mem_access_get(ct_to_xe(ct));
-
 	mutex_lock(&ct->lock);
 	ret = guc_ct_send_locked(ct, action, len, g2h_len, num_g2h, g2h_fence);
 	mutex_unlock(&ct->lock);
 
-	xe_device_mem_access_put(ct_to_xe(ct));
-
 	return ret;
 }