drm/dp: Add DPCD OUI register defines

DisplayPort has an escape hatch by which sources and sinks can identify each other. We would prefer not to notice this, but I suspect we're going to need to. Signed-off-by: Adam Jackson <[email protected]> Reviewed-by: Jerome Glisse <[email protected]> Acked-by: Daniel Vetter <[email protected]> Acked-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
akeromi · May 22, 2012 · 86c3c3b · 86c3c3b
1 parent 7beff62
commit 86c3c3b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
@@ -213,6 +213,10 @@
 # define DP_TEST_NAK			    (1 << 1)
 # define DP_TEST_EDID_CHECKSUM_WRITE	    (1 << 2)
 
+#define DP_SOURCE_OUI			    0x300
+#define DP_SINK_OUI			    0x400
+#define DP_BRANCH_OUI			    0x500
+
 #define DP_SET_POWER                        0x600
 # define DP_SET_POWER_D0                    0x1
 # define DP_SET_POWER_D3                    0x2