Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64...

[karo-tx-linux.git] / include / drm / drm_edid.h

diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 2af97691e8781382d3b2484d3bffc4eb5a43a247..dec6221e819801a674cde431bb8f9b5c50b23b80 100644 (file)
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -403,6 +403,18 @@ static inline int drm_eld_size(const uint8_t *eld)
        return DRM_ELD_HEADER_BLOCK_SIZE + eld[DRM_ELD_BASELINE_ELD_LEN] * 4;
 }
 
+/**
+ * drm_eld_get_conn_type - Get device type hdmi/dp connected
+ * @eld: pointer to an ELD memory structure
+ *
+ * The caller need to use %DRM_ELD_CONN_TYPE_HDMI or %DRM_ELD_CONN_TYPE_DP to
+ * identify the display type connected.
+ */
+static inline u8 drm_eld_get_conn_type(const uint8_t *eld)
+{
+       return eld[DRM_ELD_SAD_COUNT_CONN_TYPE] & DRM_ELD_CONN_TYPE_MASK;
+}
+
 struct edid *drm_do_get_edid(struct drm_connector *connector,
        int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
                              size_t len),