From: Adam Jackson <ajax@redhat.com>
Date: Mon, 14 May 2012 20:05:45 +0000 (-0400)
Subject: drm/dp: Add DPCD OUI register defines
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=86c3c3beb83d6cf61cc1589b62aaec80e6ac2b8b;p=linux-beck.git

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 <ajax@redhat.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 93df2d72750b..8ed85b96487d 100644
--- 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