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drm: Add SDP Error Detection Configuration Register

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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 <arun.r.murthy@intel.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230302081532.765821-2-arun.r.murthy@intel.com
This commit is contained in:
Arun R Murthy 2023-03-02 13:45:31 +05:30 committed by Jani Nikula
parent 0a93eeb5ae
commit 562334d22a
1 changed files with 3 additions and 0 deletions
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3
include/drm/display/drm_dp.h
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@ -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)