drm/dp: Add DPCD defines for register 0x007
authorAdam Jackson <ajax@redhat.com>
Mon, 14 May 2012 20:05:46 +0000 (16:05 -0400)
committerDave Airlie <airlied@redhat.com>
Tue, 22 May 2012 09:18:36 +0000 (10:18 +0100)
commitde44d97193fc67c1636c614fc302945e2912da1f
tree1f825a00560633667f157b722d72138cb384ce92
parent86c3c3beb83d6cf61cc1589b62aaec80e6ac2b8b
drm/dp: Add DPCD defines for register 0x007

Low four bits are downstream port count.  High bit indicates peer OUI
support.  OUI matching will allow us to do additional per-sink handling
for things like DP->VGA bandwidth limits or (hopefully) the iMac-as-
display hack.

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