On 1/12/23 23:36, Arun R Murthy wrote:
> 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.mur...@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 */
If we're sticking with copying the exact naming from the DP spec
this might be more correctly be named DP_SDP_ERROR_DETECTION_CONFIGURATION
Harry
> +#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)
>
