OMAPDSS: APPLY: clean up isr_handler

Add a helper function mgr_clear_shadow_dirty(), which clears the
shadow_dirty flags for the given manager and for the overlays on that
manager.

This lets us simplify the code in the dss_apply_irq_handler().

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c
index 3bb5149..8b157b0 100644 (file)
--- a/drivers/video/omap2/dss/apply.c
+++ b/drivers/video/omap2/dss/apply.c
@@ -508,47 +508,51 @@ static void dss_unregister_vsync_isr(void)
        dss_data.irq_enabled = false;
 }
 
-static void dss_apply_irq_handler(void *data, u32 mask)
+static void mgr_clear_shadow_dirty(struct omap_overlay_manager *mgr)
 {
        struct omap_overlay *ovl;
-       struct omap_overlay_manager *mgr;
        struct mgr_priv_data *mp;
        struct ovl_priv_data *op;
-       const int num_ovls = dss_feat_get_num_ovls();
+
+       mp = get_mgr_priv(mgr);
+       mp->shadow_dirty = false;
+
+       list_for_each_entry(ovl, &mgr->overlays, list) {
+               op = get_ovl_priv(ovl);
+               op->shadow_dirty = false;
+               op->shadow_extra_info_dirty = false;
+       }
+}
+
+static void dss_apply_irq_handler(void *data, u32 mask)
+{
        const int num_mgrs = dss_feat_get_num_mgrs();
        int i;
 
        spin_lock(&data_lock);
 
+       /* clear busy, updating flags, shadow_dirty flags */
        for (i = 0; i < num_mgrs; i++) {
+               struct omap_overlay_manager *mgr;
+               struct mgr_priv_data *mp;
+
                mgr = omap_dss_get_overlay_manager(i);
                mp = get_mgr_priv(mgr);
 
-               mp->busy = dispc_mgr_go_busy(i);
-               mp->updating = dispc_mgr_is_enabled(i);
-       }
-
-       for (i = 0; i < num_ovls; ++i) {
-               ovl = omap_dss_get_overlay(i);
-               op = get_ovl_priv(ovl);
-
-               if (!op->enabled)
+               if (!mp->enabled)
                        continue;
 
-               mp = get_mgr_priv(ovl->manager);
-
-               if (!mp->busy) {
-                       op->shadow_dirty = false;
-                       op->shadow_extra_info_dirty = false;
-               }
-       }
+               mp->updating = dispc_mgr_is_enabled(i);
 
-       for (i = 0; i < num_mgrs; ++i) {
-               mgr = omap_dss_get_overlay_manager(i);
-               mp = get_mgr_priv(mgr);
+               if (!mgr_manual_update(mgr)) {
+                       mp->busy = dispc_mgr_go_busy(i);
 
-               if (!mp->busy)
-                       mp->shadow_dirty = false;
+                       if (!mp->busy)
+                               mgr_clear_shadow_dirty(mgr);
+               } else {
+                       if (!mp->updating)
+                               mgr_clear_shadow_dirty(mgr);
+               }
        }
 
        dss_write_regs();