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drm/atomic: Add for_each_{connector,crtc,plane}_in_state helper macros

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This saves some typing whenever a iteration over all the connector,
crtc or plane states in the atomic state is written, which happens
quite often.

Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ander Conselvan de Oliveira
2015-04-10 14:58:39 +03:00
committed by Daniel Vetter
parent 0578be680c
commit df63b9994e
3 changed files with 117 additions and 222 deletions
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24
include/drm/drm_atomic.h
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@@ -75,4 +75,28 @@ int __must_check drm_atomic_check_only(struct drm_atomic_state *state);
int __must_check drm_atomic_commit(struct drm_atomic_state *state);
int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
#define for_each_connector_in_state(state, connector, connector_state, __i) \
for ((__i) = 0; \
(connector) = (state)->connectors[__i], \
(connector_state) = (state)->connector_states[__i], \
(__i) < (state)->num_connector; \
(__i)++) \
if (connector)
#define for_each_crtc_in_state(state, crtc, crtc_state, __i) \
for ((__i) = 0; \
(crtc) = (state)->crtcs[__i], \
(crtc_state) = (state)->crtc_states[__i], \
(__i) < (state)->dev->mode_config.num_crtc; \
(__i)++) \
if (crtc_state)
#define for_each_plane_in_state(state, plane, plane_state, __i) \
for ((__i) = 0; \
(plane) = (state)->planes[__i], \
(plane_state) = (state)->plane_states[__i], \
(__i) < (state)->dev->mode_config.num_total_plane; \
(__i)++) \
if (plane_state)
#endif /* DRM_ATOMIC_H_ */