gallium/docs: Lops override the rest of the blending state when enabled.
diff --git a/src/gallium/docs/source/cso/blend.rst b/src/gallium/docs/source/cso/blend.rst
index d97e3d3..7bde10c 100644
--- a/src/gallium/docs/source/cso/blend.rst
+++ b/src/gallium/docs/source/cso/blend.rst
@@ -20,9 +20,11 @@
Logical operations, also known as logicops, lops, or rops, are supported.
Only two-operand logicops are available. When logicops are enabled, all other
blend state is ignored, including per-render-target state, so logicops are
-performed on all enabled render targets.
+performed on all render targets.
-XXX do lops still apply if blend_enable isn't set?
+.. warning::
+ The blend_enable flag is ignored for all render targets when logical
+ operations are enabled.
For a source component `s` and destination component `d`, the logical
operations are defined as taking the bits of each channel of each component,