On Wed, 13 Sep 2017, Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx> wrote: > Link status is available in the ESI field on devices with DPCD r1.2 or > higher. DP spec also says "An MST upstream device shall use this field > instead of the Link/Sink Device Status field registers, starting from DPCD > Address 00200h." > > Cc: Jani Nikula <jani.nikula@xxxxxxxxx> > Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx> > --- > include/drm/drm_dp_helper.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h > index 2c412a15cfa1..0bf15525cdd0 100644 > --- a/include/drm/drm_dp_helper.h > +++ b/include/drm/drm_dp_helper.h > @@ -738,6 +738,11 @@ > #define DP_RECEIVER_ALPM_STATUS 0x200b /* eDP 1.4 */ > # define DP_ALPM_LOCK_TIMEOUT_ERROR (1 << 0) > > +#define LANE0_1_STATUS_ESI 0x200c /* Same as status in 0x202 */ > +#define LANE2_3_STATUS_ESI 0x200d /* Same as status in 0x203 */ > +#define LANE_ALIGN_STATUS_UPDATED_ESI 0x200e /* Same as status in 0x204 */ > +#define SINK_STATUS_ESI 0x200f /* Same as status in 0x205 */ With the macro names prefixed with DP_, Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> > + > #define DP_DPRX_FEATURE_ENUMERATION_LIST 0x2210 /* DP 1.3 */ > # define DP_GTC_CAP (1 << 0) /* DP 1.3 */ > # define DP_SST_SPLIT_SDP_CAP (1 << 1) /* DP 1.4 */ -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
