[PATCH] drm: Add FEC registers for LT-tunable repeaters

From: Rodrigo Siqueira
Date: Thu Dec 05 2019 - 08:59:29 EST


FEC is supported since DP 1.4, and it was expanded for LT-tunable in DP
1.4a. This commit adds the address registers for
FEC_ERROR_COUNT_PHY_REPEATER1 and FEC_CAPABILITY_PHY_REPEATER1.

Cc: Abdoulaye Berthe <Abdoulaye.Berthe@xxxxxxx>
Cc: Harry Wentland <harry.wentland@xxxxxxx>
Cc: Leo Li <sunpeng.li@xxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Cc: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Abdoulaye Berthe <Abdoulaye.Berthe@xxxxxxx>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
---
include/drm/drm_dp_helper.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 51ecb5112ef8..b2057009aabc 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -1042,6 +1042,8 @@
#define DP_SYMBOL_ERROR_COUNT_LANE2_PHY_REPEATER1 0xf0039 /* 1.3 */
#define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1 0xf003b /* 1.3 */
#define DP_FEC_STATUS_PHY_REPEATER1 0xf0290 /* 1.4 */
+#define DP_FEC_ERROR_COUNT_PHY_REPEATER1 0xf0291 /* 1.4 */
+#define DP_FEC_CAPABILITY_PHY_REPEATER1 0xf0294 /* 1.4a */

/* Repeater modes */
#define DP_PHY_REPEATER_MODE_TRANSPARENT 0x55 /* 1.3 */
--
2.24.0