drm/tilcdc: Move waiting of LCDC_FRAME_DONE IRQ into stop()
authorJyri Sarha <jsarha@ti.com>
Thu, 7 Apr 2016 17:20:23 +0000 (20:20 +0300)
committerJyri Sarha <jsarha@ti.com>
Mon, 8 Aug 2016 20:04:51 +0000 (23:04 +0300)
Move wait queue waiting of LCDC_FRAME_DONE IRQ from tilcdc_crtc_dpms()
into stop() function. This is just a cleanup and enables independent
use of stop() function.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
drivers/gpu/drm/tilcdc/tilcdc_crtc.c

index 55b8472cd3c98c483940844743798b7f0c34a05b..bcbf733aae6257247c793b128c500d3f4d60a482 100644 (file)
@@ -113,9 +113,25 @@ static void start(struct drm_crtc *crtc)
 
 static void stop(struct drm_crtc *crtc)
 {
+       struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
        struct drm_device *dev = crtc->dev;
+       struct tilcdc_drm_private *priv = dev->dev_private;
 
+       tilcdc_crtc->frame_done = false;
        tilcdc_clear(dev, LCDC_RASTER_CTRL_REG, LCDC_RASTER_ENABLE);
+
+       /*
+        * if necessary wait for framedone irq which will still come
+        * before putting things to sleep..
+        */
+       if (priv->rev == 2) {
+               int ret = wait_event_timeout(tilcdc_crtc->frame_done_wq,
+                                            tilcdc_crtc->frame_done,
+                                            msecs_to_jiffies(50));
+               if (ret == 0)
+                       dev_err(dev->dev, "%s: timeout waiting for framedone\n",
+                               __func__);
+       }
 }
 
 static void tilcdc_crtc_destroy(struct drm_crtc *crtc)
@@ -212,22 +228,7 @@ void tilcdc_crtc_dpms(struct drm_crtc *crtc, int mode)
                pm_runtime_get_sync(dev->dev);
                start(crtc);
        } else {
-               tilcdc_crtc->frame_done = false;
                stop(crtc);
-
-               /*
-                * if necessary wait for framedone irq which will still come
-                * before putting things to sleep..
-                */
-               if (priv->rev == 2) {
-                       int ret = wait_event_timeout(
-                                       tilcdc_crtc->frame_done_wq,
-                                       tilcdc_crtc->frame_done,
-                                       msecs_to_jiffies(50));
-                       if (ret == 0)
-                               dev_err(dev->dev, "timeout waiting for framedone\n");
-               }
-
                pm_runtime_put_sync(dev->dev);
 
                if (tilcdc_crtc->next_fb) {