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radeon_hd: Add DP link_train_ce

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* First attempts at DisplayPort link training
  clock equalization.
* Add DP define to detect equalization state
* Working towards resolving #8626
This commit is contained in:
Alexander von Gluck IV
2012-08-05 00:01:43 -05:00
parent 9b008d31ff
commit 694eca3bb6
3 changed files with 81 additions and 1 deletions
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headers/private/graphics/common/dp_raw.h
+6
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@@ -168,6 +168,12 @@
#define DP_LANE_STATUS_CR_DONE_B (1 << 4) // Bool
#define DP_LANE_STATUS_CHEQ_DONE_B (1 << 5) // Bool
#define DP_LANE_STATUS_SYMB_LOCK_B (1 << 6) // Bool
#define DP_LANE_STATUS_EQUALIZED_A DP_LANE_STATUS_CR_DONE_A \
|| DP_LANE_STATUS_CHEQ_DONE_A \
|| DP_LANE_STATUS_SYMB_LOCK_A
#define DP_LANE_STATUS_EQUALIZED_B DP_LANE_STATUS_CR_DONE_B \
|| DP_LANE_STATUS_CHEQ_DONE_B \
|| DP_LANE_STATUS_SYMB_LOCK_B
// DP Lane Align Status (0x0204)
#define DP_LANE_ALIGN 0x0204 // Reg
#define DP_LANE_ALIGN_DONE (1 << 0) // Bool