DPCD 600h - SET_POWER & SET_DP_PWR_VOLTAGE defines power state

101 = Set Main-Link for local Sink device and all downstream Sink
devices to D3 (power-down mode), keep AUX block fully powered, ready to
reply within a Response Timeout period of 300us.

This state is useful in a MST dock + MST monitor configuration that
doesn't wake up from D3 state.

v2: Use spaces instead of tabs (Jani)

Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
---
 include/drm/drm_dp_helper.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index b17476a..47a6cdb 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -618,6 +618,7 @@
 # define DP_SET_POWER_D0                    0x1
 # define DP_SET_POWER_D3                    0x2
 # define DP_SET_POWER_MASK                  0x3
+# define DP_SET_POWER_D3_AUX_ON             0x5
 
 #define DP_EDP_DPCD_REV                            0x700    /* eDP 1.2 */
 # define DP_EDP_11                         0x00
-- 
2.7.4

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