drm/dp: Add DPCD defines for register 0x007

[firefly-linux-kernel-4.4.55.git] / include / drm / drm_dp_helper.h

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 8ed85b96487d1a8be5e5f2e37bdc423b55cec098..1744b18c06b380f97ebb85ab684d1a41c63e6ebe 100644 (file)
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -72,6 +72,10 @@
 
 #define DP_MAIN_LINK_CHANNEL_CODING         0x006
 
+#define DP_DOWN_STREAM_PORT_COUNT          0x007
+#define  DP_PORT_COUNT_MASK                0x0f
+#define  DP_OUI_SUPPORT                            (1 << 7)
+
 #define DP_EDP_CONFIGURATION_CAP            0x00d
 #define DP_TRAINING_AUX_RD_INTERVAL         0x00e