On Wed, 08 Nov 2023, Animesh Manna <animesh.manna@xxxxxxxxx> wrote: > Add DPCD register definition for discovering, enabling and > checking status of panel replay of the sink. > > Cc: Jouni Högander <jouni.hogander@xxxxxxxxx> > Cc: Arun R Murthy <arun.r.murthy@xxxxxxxxx> > Cc: Jani Nikula <jani.nikula@xxxxxxxxx> > Reviewed-by: Arun R Murthy <arun.r.murthy@xxxxxxxxx> > Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx> You got the ack, please keep track of it. https://lore.kernel.org/r/elcebygxs432bcj7oez7ndlfvb3lru7m7yznyqp2ei4ocjkvxp@23lf2rh45fmt > --- > include/drm/display/drm_dp.h | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h > index e69cece404b3..fc42b622ef32 100644 > --- a/include/drm/display/drm_dp.h > +++ b/include/drm/display/drm_dp.h > @@ -543,6 +543,10 @@ > /* DFP Capability Extension */ > #define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0a3 /* 2.0 */ > > +#define DP_PANEL_REPLAY_CAP 0x0b0 /* DP 2.0 */ > +# define DP_PANEL_REPLAY_SUPPORT (1 << 0) > +# define DP_PANEL_REPLAY_SU_SUPPORT (1 << 1) > + > /* Link Configuration */ > #define DP_LINK_BW_SET 0x100 > # define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */ > @@ -716,6 +720,13 @@ > #define DP_BRANCH_DEVICE_CTRL 0x1a1 > # define DP_BRANCH_DEVICE_IRQ_HPD (1 << 0) > > +#define PANEL_REPLAY_CONFIG 0x1b0 /* DP 2.0 */ > +# define DP_PANEL_REPLAY_ENABLE (1 << 0) > +# define DP_PANEL_REPLAY_UNRECOVERABLE_ERROR_EN (1 << 3) > +# define DP_PANEL_REPLAY_RFB_STORAGE_ERROR_EN (1 << 4) > +# define DP_PANEL_REPLAY_ACTIVE_FRAME_CRC_ERROR_EN (1 << 5) > +# define DP_PANEL_REPLAY_SU_ENABLE (1 << 6) > + > #define DP_PAYLOAD_ALLOCATE_SET 0x1c0 > #define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1 > #define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2 > @@ -1105,6 +1116,18 @@ > #define DP_LANE_ALIGN_STATUS_UPDATED_ESI 0x200e /* status same as 0x204 */ > #define DP_SINK_STATUS_ESI 0x200f /* status same as 0x205 */ > > +#define DP_PANEL_REPLAY_ERROR_STATUS 0x2020 /* DP 2.1*/ > +# define DP_PANEL_REPLAY_LINK_CRC_ERROR (1 << 0) > +# define DP_PANEL_REPLAY_RFB_STORAGE_ERROR (1 << 1) > +# define DP_PANEL_REPLAY_VSC_SDP_UNCORRECTABLE_ERROR (1 << 2) > + > +#define DP_SINK_DEVICE_PR_AND_FRAME_LOCK_STATUS 0x2022 /* DP 2.1 */ > +# define DP_SINK_DEVICE_PANEL_REPLAY_STATUS_MASK (7 << 0) > +# define DP_SINK_FRAME_LOCKED_SHIFT 3 > +# define DP_SINK_FRAME_LOCKED_MASK (3 << 3) > +# define DP_SINK_FRAME_LOCKED_STATUS_VALID_SHIFT 5 > +# define DP_SINK_FRAME_LOCKED_STATUS_VALID_MASK (1 << 5) > + > /* Extended Receiver Capability: See DP_DPCD_REV for definitions */ > #define DP_DP13_DPCD_REV 0x2200 -- Jani Nikula, Intel
