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drm/dp_mst: Add some atomic state iterator macros

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Changes since v6:
 - Move EXPORT_SYMBOL() for drm_dp_mst_topology_state_funcs to this
   commit
 - Document __drm_dp_mst_state_iter_get() and note that it shouldn't be
   called directly

Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@redhat.com>
Cc: Jerry Zuo <Jerry.Zuo@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Juston Li <juston.li@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190111005343.17443-18-lyude@redhat.com
This commit is contained in:
Lyude Paul 2019-01-10 19:53:40 -05:00
parent 7aa275ca0e
commit bea5c38f1e
2 changed files with 99 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

5
drivers/gpu/drm/drm_dp_mst_topology.c
View file

@ -3521,10 +3521,11 @@ static void drm_dp_mst_destroy_state(struct drm_private_obj *obj,
kfree(mst_state);
}
static const struct drm_private_state_funcs mst_state_funcs = {
const struct drm_private_state_funcs drm_dp_mst_topology_state_funcs = {
.atomic_duplicate_state = drm_dp_mst_duplicate_state,
.atomic_destroy_state = drm_dp_mst_destroy_state,
};
EXPORT_SYMBOL(drm_dp_mst_topology_state_funcs);
/**
* drm_atomic_get_mst_topology_state: get MST topology state
@ -3608,7 +3609,7 @@ int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr,
drm_atomic_private_obj_init(dev, &mgr->base,
&mst_state->base,
&mst_state_funcs);
&drm_dp_mst_topology_state_funcs);
return 0;
}