[RESEND PATCHv2 1/2] drm: Add SDP Error Detection Configuration Register

2023-03-02 Thread Arun R Murthy 
DP2.0 E11 defines a new register to facilitate SDP error detection by a
128B/132B capable DPRX device.

v2: Update the macro name to reflect the DP spec(Harry)

Signed-off-by: Arun R Murthy 
Reviewed-by: Harry Wentland 
---
 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 632376c291db..358db4a9f167 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -692,6 +692,9 @@
 # define DP_FEC_LANE_2_SELECT  (2 << 4)
 # define DP_FEC_LANE_3_SELECT  (3 << 4)
 
+#define DP_SDP_ERROR_DETECTION_CONFIGURATION   0x121   /* DP 2.0 E11 */
+#define DP_SDP_CRC16_128B132B_EN   BIT(0)
+
 #define DP_AUX_FRAME_SYNC_VALUE0x15c   /* eDP 1.4 */
 # define DP_AUX_FRAME_SYNC_VALID   (1 << 0)
 
-- 
2.25.1

[RESEND PATCHv2 1/2] drm: Add SDP Error Detection Configuration Register

2023-01-19 Thread Arun R Murthy 
DP2.0 E11 defines a new register to facilitate SDP error detection by a
128B/132B capable DPRX device.

v2: Update the macro name to reflect the DP spec(Harry)

Signed-off-by: Arun R Murthy 
Reviewed-by: Harry Wentland 
---
 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 632376c291db..358db4a9f167 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -692,6 +692,9 @@
 # define DP_FEC_LANE_2_SELECT  (2 << 4)
 # define DP_FEC_LANE_3_SELECT  (3 << 4)
 
+#define DP_SDP_ERROR_DETECTION_CONFIGURATION   0x121   /* DP 2.0 E11 */
+#define DP_SDP_CRC16_128B132B_EN   BIT(0)
+
 #define DP_AUX_FRAME_SYNC_VALUE0x15c   /* eDP 1.4 */
 # define DP_AUX_FRAME_SYNC_VALID   (1 << 0)
 
-- 
2.25.1