diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/display/drm_dp.h | 11 | ||||
| -rw-r--r-- | include/drm/display/drm_dp_helper.h | 29 |
2 files changed, 40 insertions, 0 deletions
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h index 4891bd916d26..0b032faa8cf2 100644 --- a/include/drm/display/drm_dp.h +++ b/include/drm/display/drm_dp.h @@ -1150,6 +1150,8 @@ #define DP_DPRX_FEATURE_ENUMERATION_LIST_CONT_1 0x2214 /* 2.0 E11 */ # define DP_ADAPTIVE_SYNC_SDP_SUPPORTED (1 << 0) +# define DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE GENMASK(1, 0) +# define DP_ADAPTIVE_SYNC_SDP_LENGTH GENMASK(5, 0) # define DP_AS_SDP_FIRST_HALF_LINE_OR_3840_PIXEL_CYCLE_WINDOW_NOT_SUPPORTED (1 << 1) # define DP_VSC_EXT_SDP_FRAMEWORK_VERSION_1_SUPPORTED (1 << 4) @@ -1639,10 +1641,12 @@ enum drm_dp_phy { #define DP_SDP_AUDIO_COPYMANAGEMENT 0x05 /* DP 1.2 */ #define DP_SDP_ISRC 0x06 /* DP 1.2 */ #define DP_SDP_VSC 0x07 /* DP 1.2 */ +#define DP_SDP_ADAPTIVE_SYNC 0x22 /* DP 1.4 */ #define DP_SDP_CAMERA_GENERIC(i) (0x08 + (i)) /* 0-7, DP 1.3 */ #define DP_SDP_PPS 0x10 /* DP 1.4 */ #define DP_SDP_VSC_EXT_VESA 0x20 /* DP 1.4 */ #define DP_SDP_VSC_EXT_CEA 0x21 /* DP 1.4 */ + /* 0x80+ CEA-861 infoframe types */ #define DP_SDP_AUDIO_INFOFRAME_HB2 0x1b @@ -1798,4 +1802,11 @@ enum dp_content_type { DP_CONTENT_TYPE_GAME = 0x04, }; +enum operation_mode { + DP_AS_SDP_AVT_DYNAMIC_VTOTAL = 0x00, + DP_AS_SDP_AVT_FIXED_VTOTAL = 0x01, + DP_AS_SDP_FAVT_TRR_NOT_REACHED = 0x02, + DP_AS_SDP_FAVT_TRR_REACHED = 0x03 +}; + #endif /* _DRM_DP_H_ */ diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index 7df19acdc790..10147ae96326 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -98,6 +98,35 @@ struct drm_dp_vsc_sdp { enum dp_content_type content_type; }; +/** + * struct drm_dp_as_sdp - drm DP Adaptive Sync SDP + * + * This structure represents a DP AS SDP of drm + * It is based on DP 2.1 spec [Table 2-126: Adaptive-Sync SDP Header Bytes] and + * [Table 2-127: Adaptive-Sync SDP Payload for DB0 through DB8] + * + * @sdp_type: Secondary-data packet type + * @revision: Revision Number + * @length: Number of valid data bytes + * @vtotal: Minimum Vertical Vtotal + * @target_rr: Target Refresh + * @duration_incr_ms: Successive frame duration increase + * @duration_decr_ms: Successive frame duration decrease + * @operation_mode: Adaptive Sync Operation Mode + */ +struct drm_dp_as_sdp { + unsigned char sdp_type; + unsigned char revision; + unsigned char length; + int vtotal; + int target_rr; + int duration_incr_ms; + int duration_decr_ms; + enum operation_mode mode; +}; + +void drm_dp_as_sdp_log(struct drm_printer *p, + const struct drm_dp_as_sdp *as_sdp); void drm_dp_vsc_sdp_log(struct drm_printer *p, const struct drm_dp_vsc_sdp *vsc); bool drm_dp_vsc_sdp_supported(struct drm_dp_aux *aux, const u8 dpcd[DP_RECEIVER_CAP_SIZE]); |