drm/gem: Warn on illegal use of the dumb buffer interface v2

[cascardo/linux.git] / drivers / gpu / drm / i915 / i915_gem_execbuffer.c

diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index e1ed85a..2b02fcf 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -121,6 +121,9 @@ eb_lookup_vmas(struct eb_vmas *eb,
                        goto err;
                }
 
+               WARN_ONCE(obj->base.dumb,
+                         "GPU use of dumb buffer is illegal.\n");
+
                drm_gem_object_reference(&obj->base);
                list_add_tail(&obj->obj_exec_link, &objects);
        }