diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_encoder.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index f2df06c603f..e5001dd85af 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -234,6 +234,39 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder) exynos_encoder->dpms = DRM_MODE_DPMS_ON; } +void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb) +{ + struct exynos_drm_encoder *exynos_encoder; + struct exynos_drm_overlay_ops *overlay_ops; + struct exynos_drm_manager *manager; + struct drm_device *dev = fb->dev; + struct drm_encoder *encoder; + + /* + * make sure that overlay data are updated to real hardware + * for all encoders. + */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + exynos_encoder = to_exynos_encoder(encoder); + + /* if exynos was disabled, just ignor it. */ + if (exynos_encoder->dpms > DRM_MODE_DPMS_ON) + continue; + + manager = exynos_encoder->manager; + overlay_ops = manager->overlay_ops; + + /* + * wait for vblank interrupt + * - this makes sure that overlay data are updated to + * real hardware. + */ + if (overlay_ops->wait_for_vblank) + overlay_ops->wait_for_vblank(manager->dev); + } +} + + static void exynos_drm_encoder_disable(struct drm_encoder *encoder) { struct drm_plane *plane; |