| Message ID | 20230113043653.795183-1-arun.r.murthy@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] drm: Add SDP Error Detection Configuration Register | expand |
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.murthy@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) >
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)
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@intel.com> --- include/drm/display/drm_dp.h | 3 +++ 1 file changed, 3 insertions(+)