From: Alex Hung <alex.h...@amd.com>
Create a new macro for_each_new_colorop_in_state to access new
drm_colorop_state updated from uapi.
Signed-off-by: Alex Hung <alex.h...@amd.com>
---
include/drm/drm_atomic.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 29e5d400a362..8b0c90d1d7be 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -1035,6 +1035,26 @@ void drm_state_dump(struct drm_device *dev, struct
drm_printer *p);
(new_colorop_state) =
(__state)->colorops[__i].new_state, 1))
+/**
+ * for_each_new_colorop_in_state - iterate over all colorops in an atomic
update
+ * @__state: &struct drm_atomic_state pointer
+ * @colorop: &struct drm_colorop iteration cursor
+ * @new_colorop_state: &struct drm_colorop_state iteration cursor for the new
state
+ * @__i: int iteration cursor, for macro-internal use
+ *
+ * This iterates over all colorops in an atomic update, tracking new state.
This is
+ * useful is useful in places where the state delta needs to be considered, for
+ * example in atomic check functions.
+ */
+#define for_each_new_colorop_in_state(__state, colorop, new_colorop_state,
__i) \
+ for ((__i) = 0; \
+ (__i) < (__state)->dev->mode_config.num_colorop; \
+ (__i)++) \
+ for_each_if ((__state)->colorops[__i].ptr && \
+ ((colorop) = (__state)->colorops[__i].ptr, \
+ (void)(colorop) /* Only to avoid
unused-but-set-variable warning */, \
+ (new_colorop_state) =
(__state)->colorops[__i].new_state, 1))
+
/**
* for_each_oldnew_plane_in_state - iterate over all planes in an atomic update
* @__state: &struct drm_atomic_state pointer
--
2.46.2
