OMAPDSS: APPLY: move check functions

The functions dss_ovl_check, dss_mgr_check_zorder, dss_mgr_check in
apply.c are not really part of the apply mechanism, and can be moved to
overlay.c and manager.c.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen
2011-12-08 10:32:37 +02:00
parent 5af661ce1a
commit 6ac48d1e3a
4 changed files with 111 additions and 107 deletions

View File

@@ -592,3 +592,66 @@ struct omap_overlay_manager *omap_dss_get_overlay_manager(int num)
}
EXPORT_SYMBOL(omap_dss_get_overlay_manager);
static int dss_mgr_check_zorder(struct omap_overlay_manager *mgr,
struct omap_overlay_info **overlay_infos)
{
struct omap_overlay *ovl1, *ovl2;
struct omap_overlay_info *info1, *info2;
list_for_each_entry(ovl1, &mgr->overlays, list) {
info1 = overlay_infos[ovl1->id];
if (info1 == NULL)
continue;
list_for_each_entry(ovl2, &mgr->overlays, list) {
if (ovl1 == ovl2)
continue;
info2 = overlay_infos[ovl2->id];
if (info2 == NULL)
continue;
if (info1->zorder == info2->zorder) {
DSSERR("overlays %d and %d have the same "
"zorder %d\n",
ovl1->id, ovl2->id, info1->zorder);
return -EINVAL;
}
}
}
return 0;
}
int dss_mgr_check(struct omap_overlay_manager *mgr,
struct omap_dss_device *dssdev,
struct omap_overlay_manager_info *info,
struct omap_overlay_info **overlay_infos)
{
struct omap_overlay *ovl;
int r;
if (dss_has_feature(FEAT_ALPHA_FREE_ZORDER)) {
r = dss_mgr_check_zorder(mgr, overlay_infos);
if (r)
return r;
}
list_for_each_entry(ovl, &mgr->overlays, list) {
struct omap_overlay_info *oi;
int r;
oi = overlay_infos[ovl->id];
if (oi == NULL)
continue;
r = dss_ovl_check(ovl, oi, dssdev);
if (r)
return r;
}
return 0;
}