[PATCH 1/2] drm: Add SDP Error Detection Configuration Register
Arun R Murthy
arun.r.murthy at intel.com
Fri Jan 13 04:36:52 UTC 2023
DP2.0 E11 defines a new register to facilitate SDP error detection by a
128B/132B capable DPRX device.
Signed-off-by: Arun R Murthy <arun.r.murthy at intel.com>
---
include/drm/display/drm_dp.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 9bc22a02874d..8bf6f0a60c38 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -691,6 +691,9 @@
# define DP_FEC_LANE_2_SELECT (2 << 4)
# define DP_FEC_LANE_3_SELECT (3 << 4)
+#define DP_SDP_ERROR_DETECTION 0x121 /* DP 2.0 E11 */
+#define DP_SDP_CRC16_128B132B_EN BIT(0)
+
#define DP_AUX_FRAME_SYNC_VALUE 0x15c /* eDP 1.4 */
# define DP_AUX_FRAME_SYNC_VALID (1 << 0)
--
2.25.1
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