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drm/colorop: define a new macro for_each_new_colorop_in_state 

Create a new macro for_each_new_colorop_in_state to access new
drm_colorop_state updated from uapi.

Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-25-alex.hung@amd.com
This commit is contained in:
Alex Hung 2025-11-14 17:01:49 -07:00 committed by Simon Ser
parent dabeebae4a
commit e341cc6e85
1 changed files with 20 additions and 0 deletions
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20
include/drm/drm_atomic.h
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@ -1089,6 +1089,26 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
(old_colorop_state) = (__state)->colorops[__i].old_state,\
(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