From: "Leo (Hanghong) Ma" <[email protected]> [Why] We need to add DP SDP message test debugfs to make sdp message test more convenient and efficient.
[How] Add a DM accessible SDP interface for custom data. Change-Id: I8ad12f9ffb8dd2b7d01d12f572bbc7eb0c6c2537 Signed-off-by: Leo (Hanghong) Ma <[email protected]> Reviewed-by: Harry Wentland <[email protected]> Reviewed-by: Roman Li <[email protected]> Acked-by: Bhawanpreet Lakha <[email protected]> --- .../gpu/drm/amd/display/dc/core/dc_resource.c | 18 ++++++ .../gpu/drm/amd/display/dc/core/dc_stream.c | 62 +++++++++++++++++++ drivers/gpu/drm/amd/display/dc/dc_stream.h | 8 +++ .../display/dc/dcn10/dcn10_stream_encoder.c | 8 ++- .../amd/display/dc/inc/hw/stream_encoder.h | 2 + 5 files changed, 97 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 3c9df3703e46..374ce43096ac 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2394,6 +2394,21 @@ static void set_spd_info_packet( *info_packet = stream->vrr_infopacket; } +static void set_dp_sdp_info_packet( + struct dc_info_packet *info_packet, + struct dc_stream_state *stream) +{ + /* SPD info packet for custom sdp message */ + + /* Return if false. If true, + * set the corresponding bit in the info packet + */ + if (!stream->dpsdp_infopacket.valid) + return; + + *info_packet = stream->dpsdp_infopacket; +} + static void set_hdr_static_info_packet( struct dc_info_packet *info_packet, struct dc_stream_state *stream) @@ -2490,6 +2505,7 @@ void resource_build_info_frame(struct pipe_ctx *pipe_ctx) info->spd.valid = false; info->hdrsmd.valid = false; info->vsc.valid = false; + info->dpsdp.valid = false; signal = pipe_ctx->stream->signal; @@ -2509,6 +2525,8 @@ void resource_build_info_frame(struct pipe_ctx *pipe_ctx) set_spd_info_packet(&info->spd, pipe_ctx->stream); set_hdr_static_info_packet(&info->hdrsmd, pipe_ctx->stream); + + set_dp_sdp_info_packet(&info->dpsdp, pipe_ctx->stream); } patch_gamut_packet_checksum(&info->gamut); diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c index 59ccab36dab8..4af3545fc414 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -345,6 +345,68 @@ uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream) return 0; } +static void build_dp_sdp_info_frame(struct pipe_ctx *pipe_ctx, + const uint8_t *custom_sdp_message, + unsigned int sdp_message_size) +{ + uint8_t i; + struct encoder_info_frame *info = &pipe_ctx->stream_res.encoder_info_frame; + + /* set valid info */ + info->dpsdp.valid = true; + + /* set sdp message header */ + info->dpsdp.hb0 = custom_sdp_message[0]; /* package id */ + info->dpsdp.hb1 = custom_sdp_message[1]; /* package type */ + info->dpsdp.hb2 = custom_sdp_message[2]; /* package specific byte 0 any data */ + info->dpsdp.hb3 = custom_sdp_message[3]; /* package specific byte 0 any data */ + + /* set sdp message data */ + for (i = 0; i < 32; i++) + info->dpsdp.sb[i] = (custom_sdp_message[i+4]); + +} + +static void invalid_dp_sdp_info_frame(struct pipe_ctx *pipe_ctx) +{ + struct encoder_info_frame *info = &pipe_ctx->stream_res.encoder_info_frame; + + /* in-valid info */ + info->dpsdp.valid = false; +} + +bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream, + const uint8_t *custom_sdp_message, + unsigned int sdp_message_size) +{ + int i; + struct dc *core_dc; + struct resource_context *res_ctx; + + if (stream == NULL) { + dm_error("DC: dc_stream is NULL!\n"); + return false; + } + + core_dc = stream->ctx->dc; + res_ctx = &core_dc->current_state->res_ctx; + + for (i = 0; i < MAX_PIPES; i++) { + struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i]; + + if (pipe_ctx->stream != stream) + continue; + + build_dp_sdp_info_frame(pipe_ctx, custom_sdp_message, sdp_message_size); + + core_dc->hwss.update_info_frame(pipe_ctx); + + invalid_dp_sdp_info_frame(pipe_ctx); + } + + return true; +} + bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream, uint32_t *v_blank_start, uint32_t *v_blank_end, diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 5657cb3a2ad3..17fa3bf6cf7b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -80,6 +80,7 @@ struct dc_stream_state { struct dc_info_packet vrr_infopacket; struct dc_info_packet vsc_infopacket; struct dc_info_packet vsp_infopacket; + struct dc_info_packet dpsdp_infopacket; struct rect src; /* composition area */ struct rect dst; /* stream addressable area */ @@ -221,6 +222,13 @@ struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i); */ uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream); +/* + * Send dp sdp message. + */ +bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream, + const uint8_t *custom_sdp_message, + unsigned int sdp_message_size); + /* TODO: Return parsed values rather than direct register read * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos) * being refactored properly to be dce-specific diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c index 0d46aa75361b..6a0e748f0e57 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c @@ -725,13 +725,19 @@ void enc1_stream_encoder_update_dp_info_packets( 3, /* packetIndex */ &info_frame->hdrsmd); + if (info_frame->dpsdp.valid) + enc1_update_generic_info_packet( + enc1, + 4,/* packetIndex */ + &info_frame->dpsdp); + /* enable/disable transmission of packet(s). * If enabled, packet transmission begins on the next frame */ REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP0_ENABLE, info_frame->vsc.valid); REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP2_ENABLE, info_frame->spd.valid); REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP3_ENABLE, info_frame->hdrsmd.valid); - + REG_UPDATE(DP_SEC_CNTL, DP_SEC_GSP4_ENABLE, info_frame->dpsdp.valid); /* This bit is the master enable bit. * When enabling secondary stream engine, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h index 8aafed8793df..ce3c4ecd9c24 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h @@ -63,6 +63,8 @@ struct encoder_info_frame { struct dc_info_packet vsc; /* HDR Static MetaData */ struct dc_info_packet hdrsmd; + /* custom sdp message */ + struct dc_info_packet dpsdp; }; struct encoder_unblank_param { -- 2.17.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
