On Fri, Sep 18, 2020 at 02:40:16PM +0300, Jani Nikula wrote: > Add the subheadings from the DP spec. No functional changes. > > Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> Looks good to me Reviewed-by: Manasi Navare <manasi.d.navare@xxxxxxxxx> Manasi > --- > include/drm/drm_dp_helper.h | 22 ++++++++++++++++++---- > 1 file changed, 18 insertions(+), 4 deletions(-) > > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h > index c9f2851904d0..388083b4716b 100644 > --- a/include/drm/drm_dp_helper.h > +++ b/include/drm/drm_dp_helper.h > @@ -106,8 +106,9 @@ struct drm_device; > #define DP_AUX_I2C_REPLY_DEFER (0x2 << 2) > #define DP_AUX_I2C_REPLY_MASK (0x3 << 2) > > -/* AUX CH addresses */ > -/* DPCD */ > +/* DPCD Field Address Mapping */ > + > +/* Receiver Capability */ > #define DP_DPCD_REV 0x000 > # define DP_DPCD_REV_10 0x10 > # define DP_DPCD_REV_11 0x11 > @@ -426,7 +427,7 @@ struct drm_device; > #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1 0x0a1 > #define DP_DSC_BRANCH_MAX_LINE_WIDTH 0x0a2 > > -/* link configuration */ > +/* Link Configuration */ > #define DP_LINK_BW_SET 0x100 > # define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */ > # define DP_LINK_BW_1_62 0x06 > @@ -580,6 +581,7 @@ struct drm_device; > #define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1 > #define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2 > > +/* Link/Sink Device Status */ > #define DP_SINK_COUNT 0x200 > /* prior to 1.2 bit 7 was reserved mbz */ > # define DP_GET_SINK_COUNT(x) ((((x) & 0x80) >> 1) | ((x) & 0x3f)) > @@ -779,20 +781,27 @@ struct drm_device; > #define DP_VC_PAYLOAD_ID_SLOT_1 0x2c1 /* 1.2 MST */ > /* up to ID_SLOT_63 at 0x2ff */ > > +/* Source Device-specific */ > #define DP_SOURCE_OUI 0x300 > + > +/* Sink Device-specific */ > #define DP_SINK_OUI 0x400 > + > +/* Branch Device-specific */ > #define DP_BRANCH_OUI 0x500 > #define DP_BRANCH_ID 0x503 > #define DP_BRANCH_REVISION_START 0x509 > #define DP_BRANCH_HW_REV 0x509 > #define DP_BRANCH_SW_REV 0x50A > > +/* Link/Sink Device Power Control */ > #define DP_SET_POWER 0x600 > # define DP_SET_POWER_D0 0x1 > # define DP_SET_POWER_D3 0x2 > # define DP_SET_POWER_MASK 0x3 > # define DP_SET_POWER_D3_AUX_ON 0x5 > > +/* eDP-specific */ > #define DP_EDP_DPCD_REV 0x700 /* eDP 1.2 */ > # define DP_EDP_11 0x00 > # define DP_EDP_12 0x01 > @@ -876,11 +885,13 @@ struct drm_device; > #define DP_EDP_REGIONAL_BACKLIGHT_BASE 0x740 /* eDP 1.4 */ > #define DP_EDP_REGIONAL_BACKLIGHT_0 0x741 /* eDP 1.4 */ > > +/* Sideband MSG Buffers */ > #define DP_SIDEBAND_MSG_DOWN_REQ_BASE 0x1000 /* 1.2 MST */ > #define DP_SIDEBAND_MSG_UP_REP_BASE 0x1200 /* 1.2 MST */ > #define DP_SIDEBAND_MSG_DOWN_REP_BASE 0x1400 /* 1.2 MST */ > #define DP_SIDEBAND_MSG_UP_REQ_BASE 0x1600 /* 1.2 MST */ > > +/* DPRX Event Status Indicator */ > #define DP_SINK_COUNT_ESI 0x2002 /* 1.2 */ > /* 0-5 sink count */ > # define DP_SINK_COUNT_CP_READY (1 << 6) > @@ -934,6 +945,7 @@ struct drm_device; > #define DP_LANE_ALIGN_STATUS_UPDATED_ESI 0x200e /* status same as 0x204 */ > #define DP_SINK_STATUS_ESI 0x200f /* status same as 0x205 */ > > +/* Extended Receiver Capability */ > #define DP_DP13_DPCD_REV 0x2200 > #define DP_DP13_MAX_LINK_RATE 0x2201 > > @@ -947,6 +959,7 @@ struct drm_device; > # define DP_VSC_EXT_CEA_SDP_SUPPORTED (1 << 6) /* DP 1.4 */ > # define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED (1 << 7) /* DP 1.4 */ > > +/* Protocol Converter Extension */ > /* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */ > #define DP_CEC_TUNNELING_CAPABILITY 0x3000 > # define DP_CEC_TUNNELING_CAPABLE (1 << 0) > @@ -1013,6 +1026,7 @@ struct drm_device; > #define DP_PROTOCOL_CONVERTER_CONTROL_2 0x3052 /* DP 1.3 */ > # define DP_CONVERSION_TO_YCBCR422_ENABLE (1 << 0) /* DP 1.3 */ > > +/* HDCP 1.3 and HDCP 2.2 */ > #define DP_AUX_HDCP_BKSV 0x68000 > #define DP_AUX_HDCP_RI_PRIME 0x68005 > #define DP_AUX_HDCP_AKSV 0x68007 > @@ -1058,7 +1072,7 @@ struct drm_device; > #define DP_HDCP_2_2_REG_STREAM_TYPE_OFFSET 0x69494 > #define DP_HDCP_2_2_REG_DBG_OFFSET 0x69518 > > -/* Link Training (LT)-tunable PHY Repeaters */ > +/* LTTPR: Link Training (LT)-tunable PHY Repeaters */ > #define DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV 0xf0000 /* 1.3 */ > #define DP_MAX_LINK_RATE_PHY_REPEATER 0xf0001 /* 1.4a */ > #define DP_PHY_REPEATER_CNT 0xf0002 /* 1.3 */ > -- > 2.20.1 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
