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-rw-r--r--backend/drm/drm.c31
-rw-r--r--backend/drm/properties.c1
2 files changed, 32 insertions, 0 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 0e981d59..abfd1c2f 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -977,6 +977,37 @@ uint32_t wlr_drm_connector_get_id(struct wlr_output *output) {
return conn->id;
}
+enum wl_output_transform wlr_drm_connector_get_panel_orientation(
+ struct wlr_output *output) {
+ struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
+ if (conn->props.panel_orientation) {
+ return WL_OUTPUT_TRANSFORM_NORMAL;
+ }
+
+ char *orientation = get_drm_prop_enum(conn->backend->fd, conn->id,
+ conn->props.panel_orientation);
+ if (orientation == NULL) {
+ return WL_OUTPUT_TRANSFORM_NORMAL;
+ }
+
+ enum wl_output_transform tr;
+ if (strcmp(orientation, "Normal") == 0) {
+ tr = WL_OUTPUT_TRANSFORM_NORMAL;
+ } else if (strcmp(orientation, "Left Side Up") == 0) {
+ tr = WL_OUTPUT_TRANSFORM_90;
+ } else if (strcmp(orientation, "Upside Down") == 0) {
+ tr = WL_OUTPUT_TRANSFORM_180;
+ } else if (strcmp(orientation, "Right Side Up") == 0) {
+ tr = WL_OUTPUT_TRANSFORM_270;
+ } else {
+ wlr_drm_conn_log(conn, WLR_ERROR, "Unknown panel orientation: %s", orientation);
+ tr = WL_OUTPUT_TRANSFORM_NORMAL;
+ }
+
+ free(orientation);
+ return tr;
+}
+
static const int32_t subpixel_map[] = {
[DRM_MODE_SUBPIXEL_UNKNOWN] = WL_OUTPUT_SUBPIXEL_UNKNOWN,
[DRM_MODE_SUBPIXEL_HORIZONTAL_RGB] = WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB,
diff --git a/backend/drm/properties.c b/backend/drm/properties.c
index 2717e09e..f2696593 100644
--- a/backend/drm/properties.c
+++ b/backend/drm/properties.c
@@ -26,6 +26,7 @@ static const struct prop_info connector_info[] = {
{ "PATH", INDEX(path) },
{ "link-status", INDEX(link_status) },
{ "non-desktop", INDEX(non_desktop) },
+ { "panel orientation", INDEX(panel_orientation) },
{ "subconnector", INDEX(subconnector) },
{ "vrr_capable", INDEX(vrr_capable) },
#undef INDEX