Merge remote-tracking branches 'asoc/topic/ts3a227e', 'asoc/topic/ts3a277e' and ...

[cascardo/linux.git] / drivers / gpu / drm / exynos / exynos_mixer.c

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 820b762..064ed65 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1026,6 +1026,7 @@ static void mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
 static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
 {
        struct mixer_context *mixer_ctx = mgr_to_mixer(mgr);
+       int err;
 
        mutex_lock(&mixer_ctx->mixer_mutex);
        if (!mixer_ctx->powered) {
@@ -1034,7 +1035,11 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
        }
        mutex_unlock(&mixer_ctx->mixer_mutex);
 
-       drm_vblank_get(mgr->crtc->dev, mixer_ctx->pipe);
+       err = drm_vblank_get(mgr->crtc->dev, mixer_ctx->pipe);
+       if (err < 0) {
+               DRM_DEBUG_KMS("failed to acquire vblank counter\n");
+               return;
+       }
 
        atomic_set(&mixer_ctx->wait_vsync_event, 1);
 
@@ -1262,8 +1267,6 @@ static int mixer_bind(struct device *dev, struct device *manager, void *data)
                return ret;
        }
 
-       pm_runtime_enable(dev);
-
        return 0;
 }
 
@@ -1272,8 +1275,6 @@ static void mixer_unbind(struct device *dev, struct device *master, void *data)
        struct mixer_context *ctx = dev_get_drvdata(dev);
 
        mixer_mgr_remove(&ctx->manager);
-
-       pm_runtime_disable(dev);
 }
 
 static const struct component_ops mixer_component_ops = {