From: Alex Hung <alex.hung@xxxxxxx> 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.hung@xxxxxxx> --- 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 61e6b5553eec..a4c5ff99a515 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -979,6 +979,26 @@ 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 -- 2.44.0
