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path: root/drivers/video/omap2/dss/overlay.c
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Diffstat (limited to 'drivers/video/omap2/dss/overlay.c')
-rw-r--r--drivers/video/omap2/dss/overlay.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index cfbfc57e9582..c84380c53c39 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -84,32 +84,42 @@ static ssize_t overlay_manager_store(struct omap_overlay *ovl, const char *buf,
old_mgr = ovl->manager;
+ r = dispc_runtime_get();
+ if (r)
+ return r;
+
/* detach old manager */
if (old_mgr) {
r = ovl->unset_manager(ovl);
if (r) {
DSSERR("detach failed\n");
- return r;
+ goto err;
}
r = old_mgr->apply(old_mgr);
if (r)
- return r;
+ goto err;
}
if (mgr) {
r = ovl->set_manager(ovl, mgr);
if (r) {
DSSERR("Failed to attach overlay\n");
- return r;
+ goto err;
}
r = mgr->apply(mgr);
if (r)
- return r;
+ goto err;
}
+ dispc_runtime_put();
+
return size;
+
+err:
+ dispc_runtime_put();
+ return r;
}
static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf)
@@ -507,7 +517,6 @@ static int omap_dss_set_manager(struct omap_overlay *ovl,
ovl->manager = mgr;
- dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK);
/* XXX: When there is an overlay on a DSI manual update display, and
* the overlay is first disabled, then moved to tv, and enabled, we
* seem to get SYNC_LOST_DIGIT error.
@@ -521,7 +530,6 @@ static int omap_dss_set_manager(struct omap_overlay *ovl,
* the overlay, but before moving the overlay to TV.
*/
dispc_set_channel_out(ovl->id, mgr->id);
- dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK);
return 0;
}
@@ -722,6 +730,8 @@ void dss_recheck_connections(struct omap_dss_device *dssdev, bool force)
}
if (mgr) {
+ dispc_runtime_get();
+
for (i = 0; i < dss_feat_get_num_ovls(); i++) {
struct omap_overlay *ovl;
ovl = omap_dss_get_overlay(i);
@@ -731,6 +741,8 @@ void dss_recheck_connections(struct omap_dss_device *dssdev, bool force)
omap_dss_set_manager(ovl, mgr);
}
}
+
+ dispc_runtime_put();
}
}

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