drm/omap: convert dss_mgr_unregister_framedone_handler to accept omap_channel

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

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

@@ -4156,7 +4156,7 @@ static int dsi_display_init_dispc(struct platform_device *dsidev,
 	return 0;
 err1:
 	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
-		dss_mgr_unregister_framedone_handler(mgr,
+		dss_mgr_unregister_framedone_handler(mgr->id,
 				dsi_framedone_irq_callback, dsidev);
 err:
 	dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);
@@ -4169,7 +4169,7 @@ static void dsi_display_uninit_dispc(struct platform_device *dsidev,
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
 	if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
-		dss_mgr_unregister_framedone_handler(mgr,
+		dss_mgr_unregister_framedone_handler(mgr->id,
 				dsi_framedone_irq_callback, dsidev);
 
 	dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);

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

@@ -95,7 +95,7 @@ void dss_mgr_disable(enum omap_channel channel);
 void dss_mgr_start_update(enum omap_channel channel);
 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 dss_mgr_unregister_framedone_handler(enum omap_channel channel,
 		void (*handler)(void *), void *data);
 
 #endif /* __OMAP_DRM_DSS_H */

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

@@ -241,9 +241,9 @@ int dss_mgr_register_framedone_handler(enum omap_channel channel,
 }
 EXPORT_SYMBOL(dss_mgr_register_framedone_handler);
 
-void dss_mgr_unregister_framedone_handler(struct omap_overlay_manager *mgr,
+void dss_mgr_unregister_framedone_handler(enum omap_channel channel,
 		void (*handler)(void *), void *data)
 {
-	dss_mgr_ops->unregister_framedone_handler(mgr->id, handler, data);
+	dss_mgr_ops->unregister_framedone_handler(channel, handler, data);
 }
 EXPORT_SYMBOL(dss_mgr_unregister_framedone_handler);