[PATCH 01/18] drm/i915: add some registers need for displayport MST support.

[Dariusz Gadomski]

From: Dave Airlie <airlied at redhat.com>

BugLink: https://bugs.launchpad.net/bugs/1104230

These are just from the Haswell spec.

Signed-off-by: Dave Airlie <airlied at redhat.com>
(cherry picked from commit cf6318bf11bd931d6d2ee1818a58a4798970ab7c upstream)
Signed-off-by: Dariusz Gadomski <dariusz.gadomski at canonical.com>
---
 drivers/gpu/drm/i915/i915_reg.h | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a5bab61..f548101 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5743,6 +5743,7 @@ enum punit_power_well {
 #define  TRANS_DDI_EDP_INPUT_A_ONOFF	(4<<12)
 #define  TRANS_DDI_EDP_INPUT_B_ONOFF	(5<<12)
 #define  TRANS_DDI_EDP_INPUT_C_ONOFF	(6<<12)
+#define  TRANS_DDI_DP_VC_PAYLOAD_ALLOC	(1<<8)
 #define  TRANS_DDI_BFI_ENABLE		(1<<4)
 
 /* DisplayPort Transport Control */
@@ -5752,6 +5753,7 @@ enum punit_power_well {
 #define  DP_TP_CTL_ENABLE			(1<<31)
 #define  DP_TP_CTL_MODE_SST			(0<<27)
 #define  DP_TP_CTL_MODE_MST			(1<<27)
+#define  DP_TP_CTL_FORCE_ACT			(1<<25)
 #define  DP_TP_CTL_ENHANCED_FRAME_ENABLE	(1<<18)
 #define  DP_TP_CTL_FDI_AUTOTRAIN		(1<<15)
 #define  DP_TP_CTL_LINK_TRAIN_MASK		(7<<8)
@@ -5766,8 +5768,13 @@ enum punit_power_well {
 #define DP_TP_STATUS_A			0x64044
 #define DP_TP_STATUS_B			0x64144
 #define DP_TP_STATUS(port) _PORT(port, DP_TP_STATUS_A, DP_TP_STATUS_B)
-#define  DP_TP_STATUS_IDLE_DONE		(1<<25)
-#define  DP_TP_STATUS_AUTOTRAIN_DONE	(1<<12)
+#define  DP_TP_STATUS_IDLE_DONE			(1<<25)
+#define  DP_TP_STATUS_ACT_SENT			(1<<24)
+#define  DP_TP_STATUS_MODE_STATUS_MST		(1<<23)
+#define  DP_TP_STATUS_AUTOTRAIN_DONE		(1<<12)
+#define  DP_TP_STATUS_PAYLOAD_MAPPING_VC2	(3 << 8)
+#define  DP_TP_STATUS_PAYLOAD_MAPPING_VC1	(3 << 4)
+#define  DP_TP_STATUS_PAYLOAD_MAPPING_VC0	(3 << 0)
 
 /* DDI Buffer Control */
 #define DDI_BUF_CTL_A				0x64000
-- 
1.9.1