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-rw-r--r--drivers/gpu/drm/i915/i915_reg.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 61eca8b..b497753 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4062,4 +4062,20 @@
#define PIPE_DDI_PORT_WIDTH_X2 (1<<1)
#define PIPE_DDI_PORT_WIDTH_X4 (3<<1)
+/* DisplayPort Transport Control */
+#define DP_TP_CTL_A 0x64040
+#define DP_TP_CTL_B 0x64140
+#define DP_TP_CTL(port) _PORT(port, \
+ DP_TP_CTL_A, \
+ DP_TP_CTL_B)
+#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_ENHANCED_FRAME_ENABLE (1<<18)
+#define DP_TP_CTL_FDI_AUTOTRAIN (1<<15)
+#define DP_TP_CTL_LINK_TRAIN_MASK (7<<8)
+#define DP_TP_CTL_LINK_TRAIN_PAT1 (0<<8)
+#define DP_TP_CTL_LINK_TRAIN_PAT2 (1<<8)
+#define DP_TP_CTL_LINK_TRAIN_NORMAL (3<<8)
+
#endif /* _I915_REG_H_ */