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authorDave Airlie <airlied@redhat.com>2015-10-01 16:28:25 +1000
committerSasha Levin <alexander.levin@verizon.com>2016-11-25 22:57:02 -0500
commite5c6bbbcc7be9106e744c36b88d0464a8a3c2a16 (patch)
tree39b3d6ac649e6202c579834e2fc9f1eb95dc87ed /include
parentdadd5803301f1175861c3cf42aa8385fd71537a9 (diff)
drm/dp/mst: add some defines for logical/physical ports
[ Upstream commit ccf03d6995fa4b784f5b987726ba98f4859bf326 ] This just removes the magic number. Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'include')
-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 523f04c90dea..cede0a45b9c0 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -568,6 +568,10 @@
#define MODE_I2C_READ 4
#define MODE_I2C_STOP 8
+/* DP 1.2 MST PORTs - Section 2.5.1 v1.2a spec */
+#define DP_MST_PHYSICAL_PORT_0 0
+#define DP_MST_LOGICAL_PORT_0 8
+
#define DP_LINK_STATUS_SIZE 6
bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE],
int lane_count);