[PATCH 03/11] drm/i915: add some registers need for displayport MST support.

Dave Airlie
2014-05-21T02:54:56Z

These are just from the Haswell spec.

Signed-off-by: Dave Airlie <airlied@redhat.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 8f84555..557b37a 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5386,6 +5386,7 @@ 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 */
@@ -5395,6 +5396,7 @@ 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)
@@ -5409,8 +5411,13 @@ 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
--
1.9.0