Commit 562334d2 authored by Arun R Murthy's avatar Arun R Murthy Committed by Jani Nikula
Browse files

drm: Add SDP Error Detection Configuration Register 



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: default avatarArun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Acked-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230302081532.765821-2-arun.r.murthy@intel.com
parent 0a93eeb5

include/drm/display/drm_dp.h

+3 −0
Original line number Diff line number Diff line
@@ -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_VALUE		    0x15c   /* eDP 1.4 */

# define DP_AUX_FRAME_SYNC_VALID	    (1 << 0)