summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAdam Jackson <ajax@redhat.com>2012-05-14 16:05:45 -0400
committerDave Airlie <airlied@redhat.com>2012-05-22 10:18:29 +0100
commit86c3c3beb83d6cf61cc1589b62aaec80e6ac2b8b (patch)
treebca4b2b08e46806b571203f07ffbff2190c88063
parent7beff62ee39d3ccf088bb77f61a63037f714d235 (diff)
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>
-rw-r--r--include/drm/drm_dp_helper.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 93df2d72750..8ed85b96487 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