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Commit 01b887c3 authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/i915: add some registers need for displayport MST support. 



These are just from the Haswell spec.

Reviewed-by: default avatarTodd Previte <tprevite@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent e7c36347

drivers/gpu/drm/i915/i915_reg.h

+9 −2
Original line number Diff line number Diff line
@@ -5815,6 +5815,7 @@ 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 */
@@ -5824,6 +5825,7 @@ 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)
@@ -5839,7 +5841,12 @@ enum punit_power_well { 
#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_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