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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 686692de209..eeba6d1d06e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -707,6 +707,9 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
if (ret)
goto try_dmabuf;
+ if (!surface->scanout)
+ goto err_not_scanout;
+
ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
mode_cmd->width, mode_cmd->height);
@@ -740,6 +743,13 @@ try_dmabuf:
}
return &vfb->base;
+
+err_not_scanout:
+ DRM_ERROR("surface not marked as scanout\n");
+ /* vmw_user_surface_lookup takes one ref */
+ vmw_surface_unreference(&surface);
+
+ return NULL;
}
static int vmw_kms_fb_changed(struct drm_device *dev)