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drm/damage-helper: Add drm_atomic_helper_damage_merged()

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Useful for drivers that only care about the combined damage.

v2: Remove unnecessary clearing of damage clips

Cc: Deepak Rawat <drawat@vmware.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190115043643.2364-3-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes
2019-01-15 05:36:40 +01:00
parent dbd62e16fd
commit 255f6fe736
2 changed files with 44 additions and 0 deletions
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3
include/drm/drm_damage_helper.h
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@@ -78,6 +78,9 @@ drm_atomic_helper_damage_iter_init(struct drm_atomic_helper_damage_iter *iter,
bool
drm_atomic_helper_damage_iter_next(struct drm_atomic_helper_damage_iter *iter,
struct drm_rect *rect);
bool drm_atomic_helper_damage_merged(const struct drm_plane_state *old_state,
struct drm_plane_state *state,
struct drm_rect *rect);
/**
* drm_helper_get_plane_damage_clips - Returns damage clips in &drm_rect.