Create a new macro for_each_new_colorop_in_state to access new drm_colorop_state updated from uapi.
Reviewed-by: Simon Ser <[email protected]> Signed-off-by: Alex Hung <[email protected]> Reviewed-by: Daniel Stone <[email protected]> Reviewed-by: Melissa Wen <[email protected]> Reviewed-by: Sebastian Wick <[email protected]> --- v10: - remove duplicated "is useful" in comments 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 ed989f0cd8d5..065b183358d2 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -1089,6 +1089,26 @@ 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 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 -- 2.43.0
