drm/dp: Add DPCD OUI register defines
authorAdam Jackson <ajax@redhat.com>
Mon, 14 May 2012 20:05:45 +0000 (16:05 -0400)
committerDave Airlie <airlied@redhat.com>
Tue, 22 May 2012 09:18:29 +0000 (10:18 +0100)
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>
include/drm/drm_dp_helper.h

index 93df2d72750b1878e8822bf8716b77926941ae91..8ed85b96487d1a8be5e5f2e37bdc423b55cec098 100644 (file)
 # 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