drm/exynos: add component framework support

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / exynos / exynos_drm_crtc.c

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 1ef5ab9c9d519d175b202dbf01cba243a870e1f7..95c9435d02668213921ba9a0cf98441ec8bd5628 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -368,6 +368,7 @@ int exynos_drm_crtc_create(struct exynos_drm_manager *manager)
                return -ENOMEM;
        }
 
+       manager->crtc = &exynos_crtc->drm_crtc;
        crtc = &exynos_crtc->drm_crtc;
 
        private->crtc[manager->pipe] = crtc;
@@ -491,3 +492,19 @@ void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb)
                        manager->ops->wait_for_vblank(manager);
        }
 }
+
+int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev,
+                                       unsigned int out_type)
+{
+       struct drm_crtc *crtc;
+
+       list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) {
+               struct exynos_drm_crtc *exynos_crtc;
+
+               exynos_crtc = to_exynos_crtc(crtc);
+               if (exynos_crtc->manager->type == out_type)
+                       return exynos_crtc->manager->pipe;
+       }
+
+       return -EPERM;
+}