drm/omap: convert dss_mgr_register_framedone_handler to accept omap_channel

We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_register_framedone_handler() to accept 'enum
omap_channel' instead of 'struct omap_overlay_manager'.
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/dss/dsi.c

@@ -4115,7 +4115,7 @@ static int dsi_display_init_dispc(struct platform_device *dsidev,
 			OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC);
 
 	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) {
-		r = dss_mgr_register_framedone_handler(mgr,
+		r = dss_mgr_register_framedone_handler(mgr->id,
 				dsi_framedone_irq_callback, dsidev);
 		if (r) {
 			DSSERR("can't register FRAMEDONE handler\n");

drivers/gpu/drm/omapdrm/dss/omapdss.h

@@ -93,7 +93,7 @@ void dss_mgr_set_lcd_config(enum omap_channel channel,
 int dss_mgr_enable(enum omap_channel channel);
 void dss_mgr_disable(enum omap_channel channel);
 void dss_mgr_start_update(enum omap_channel channel);
-int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr,
+int dss_mgr_register_framedone_handler(enum omap_channel channel,
 		void (*handler)(void *), void *data);
 void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr,
 		void (*handler)(void *), void *data);

drivers/gpu/drm/omapdrm/dss/output.c

@@ -234,10 +234,10 @@ void dss_mgr_start_update(enum omap_channel channel)
 }
 EXPORT_SYMBOL(dss_mgr_start_update);
 
-int dss_mgr_register_framedone_handler(struct omap_overlay_manager *mgr,
+int dss_mgr_register_framedone_handler(enum omap_channel channel,
 		void (*handler)(void *), void *data)
 {
-	return dss_mgr_ops->register_framedone_handler(mgr->id, handler, data);
+	return dss_mgr_ops->register_framedone_handler(channel, handler, data);
 }
 EXPORT_SYMBOL(dss_mgr_register_framedone_handler);