add atomic kms support

Based mostly on original atomic conversion from Gustavo Padovan.

1 files changed, 7 insertions, 0 deletions

diff --git a/drm.c b/drm.c
index d9cd7e2..d082846 100644
--- a/drm.c
+++ b/drm.c
@@ -194,6 +194,13 @@ int init_drm(struct drm *drm, const char *device)
 		drm->crtc_id = crtc_id;
 	}
 
+	for (i = 0; i < resources->count_crtcs; i++) {
+		if (resources->crtcs[i] == drm->crtc_id) {
+			drm->crtc_index = i;
+			break;
+		}
+	}
+
 	drmModeFreeResources(resources);
 
 	drm->connector_id = connector->connector_id;