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author | Leo (Hanghong) Ma <hanghong.ma@amd.com> | 2019-04-16 11:07:22 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:20:50 -0500 |
commit | 88ccdf1d59df4d93b0591c8879316de40ef88f93 (patch) | |
tree | bd11e8de6a671d3557108c2127541a892ea69daf /drivers/gpu/drm/amd/display/dc | |
parent | 1894478ad1f8fd7366edc5cee49ee9caea0e3d52 (diff) | |
download | linux-stable-88ccdf1d59df4d93b0591c8879316de40ef88f93.tar.gz linux-stable-88ccdf1d59df4d93b0591c8879316de40ef88f93.tar.bz2 linux-stable-88ccdf1d59df4d93b0591c8879316de40ef88f93.zip |
drm/amd/display: Expose send immediate sdp message interface
[Why]
To send sdp message immediately from a single slot.
[How]
Modify the generic SDP message interface, and use GSP4 to send immediate
sdp message.
Signed-off-by: Leo (Hanghong) Ma <hanghong.ma@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
7 files changed, 155 insertions, 63 deletions
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 47b99458d319..58ce7a6b914c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2446,21 +2446,6 @@ 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) @@ -2557,7 +2542,6 @@ 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; @@ -2577,8 +2561,6 @@ 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 a79f608b2f79..b723ffc8ea25 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c @@ -371,42 +371,12 @@ 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 dc *dc; struct resource_context *res_ctx; if (stream == NULL) { @@ -414,8 +384,8 @@ bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream, return false; } - core_dc = stream->ctx->dc; - res_ctx = &core_dc->current_state->res_ctx; + dc = stream->ctx->dc; + res_ctx = &dc->current_state->res_ctx; for (i = 0; i < MAX_PIPES; i++) { struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i]; @@ -423,11 +393,14 @@ bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream, 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); + if (dc->hwss.send_immediate_sdp_message != NULL) + dc->hwss.send_immediate_sdp_message(pipe_ctx, + custom_sdp_message, + sdp_message_size); + else + DC_LOG_WARNING("%s:send_immediate_sdp_message not implemented on this ASIC\n", + __func__); - invalid_dp_sdp_info_frame(pipe_ctx); } return true; diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 723b2ddf9aa5..c2b60b1e1a25 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -2957,6 +2957,18 @@ static void dcn10_unblank_stream(struct pipe_ctx *pipe_ctx, } } +static void dcn10_send_immediate_sdp_message(struct pipe_ctx *pipe_ctx, + const uint8_t *custom_sdp_message, + unsigned int sdp_message_size) +{ + if (dc_is_dp_signal(pipe_ctx->stream->signal)) { + pipe_ctx->stream_res.stream_enc->funcs->send_immediate_sdp_message( + pipe_ctx->stream_res.stream_enc, + custom_sdp_message, + sdp_message_size); + } +} + static const struct hw_sequencer_funcs dcn10_funcs = { .program_gamut_remap = program_gamut_remap, .init_hw = dcn10_init_hw, @@ -2976,6 +2988,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = { .enable_timing_synchronization = dcn10_enable_timing_synchronization, .enable_per_frame_crtc_position_reset = dcn10_enable_per_frame_crtc_position_reset, .update_info_frame = dce110_update_info_frame, + .send_immediate_sdp_message = dcn10_send_immediate_sdp_message, .enable_stream = dce110_enable_stream, .disable_stream = dce110_disable_stream, .unblank_stream = dcn10_unblank_stream, 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 c259c51dff9a..ba71b5224e7f 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 @@ -727,11 +727,9 @@ 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); + /* packetIndex 4 is used for send immediate sdp message, and please + * use other packetIndex (such as 5,6) for other info packet + */ /* enable/disable transmission of packet(s). * If enabled, packet transmission begins on the next frame @@ -739,7 +737,101 @@ void enc1_stream_encoder_update_dp_info_packets( 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, + * this master bit must also be set. + * This register shared with audio info frame. + * Therefore we need to enable master bit + * if at least on of the fields is not 0 + */ + value = REG_READ(DP_SEC_CNTL); + if (value) + REG_UPDATE(DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1); +} + +void enc1_stream_encoder_send_immediate_sdp_message( + struct stream_encoder *enc, + const uint8_t *custom_sdp_message, + unsigned int sdp_message_size) +{ + struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + uint32_t value = 0; + + /* TODOFPGA Figure out a proper number for max_retries polling for lock + * use 50 for now. + */ + uint32_t max_retries = 50; + + /* check if GSP4 is transmitted */ + REG_WAIT(DP_SEC_CNTL2, DP_SEC_GSP4_SEND_PENDING, + 0, 10, max_retries); + + /* disable GSP4 transmitting */ + REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP4_SEND, 0); + + /* transmit GSP4 at the earliest time in a frame */ + REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP4_SEND_ANY_LINE, 1); + + /*we need turn on clock before programming AFMT block*/ + REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); + + /* check if HW reading GSP memory */ + REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT, + 0, 10, max_retries); + + /* HW does is not reading GSP memory not reading too long -> + * something wrong. clear GPS memory access and notify? + * hw SW is writing to GSP memory + */ + REG_UPDATE(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_CONFLICT_CLR, 1); + + /* use generic packet 4 for immediate sdp message */ + REG_UPDATE(AFMT_VBI_PACKET_CONTROL, + AFMT_GENERIC_INDEX, 4); + + /* write generic packet header + * (4th byte is for GENERIC0 only) + */ + REG_SET_4(AFMT_GENERIC_HDR, 0, + AFMT_GENERIC_HB0, custom_sdp_message[0], + AFMT_GENERIC_HB1, custom_sdp_message[1], + AFMT_GENERIC_HB2, custom_sdp_message[2], + AFMT_GENERIC_HB3, custom_sdp_message[3]); + + /* write generic packet contents + * (we never use last 4 bytes) + * there are 8 (0-7) mmDIG0_AFMT_GENERIC0_x registers + */ + { + const uint32_t *content = + (const uint32_t *) &custom_sdp_message[4]; + + REG_WRITE(AFMT_GENERIC_0, *content++); + REG_WRITE(AFMT_GENERIC_1, *content++); + REG_WRITE(AFMT_GENERIC_2, *content++); + REG_WRITE(AFMT_GENERIC_3, *content++); + REG_WRITE(AFMT_GENERIC_4, *content++); + REG_WRITE(AFMT_GENERIC_5, *content++); + REG_WRITE(AFMT_GENERIC_6, *content++); + REG_WRITE(AFMT_GENERIC_7, *content); + } + + /* check whether GENERIC4 registers double buffer update in immediate mode + * is pending + */ + REG_WAIT(AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_IMMEDIATE_UPDATE_PENDING, + 0, 10, max_retries); + + /* atomically update double-buffered GENERIC4 registers in immediate mode + * (update immediately) + */ + REG_UPDATE(AFMT_VBI_PACKET_CONTROL1, + AFMT_GENERIC4_IMMEDIATE_UPDATE, 1); + + /* enable GSP4 transmitting */ + REG_UPDATE(DP_SEC_CNTL2, DP_SEC_GSP4_SEND, 1); /* This bit is the master enable bit. * When enabling secondary stream engine, @@ -1463,6 +1555,8 @@ static const struct stream_encoder_funcs dcn10_str_enc_funcs = { enc1_stream_encoder_stop_hdmi_info_packets, .update_dp_info_packets = enc1_stream_encoder_update_dp_info_packets, + .send_immediate_sdp_message = + enc1_stream_encoder_send_immediate_sdp_message, .stop_dp_info_packets = enc1_stream_encoder_stop_dp_info_packets, .dp_blank = diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h index e654c2f55971..a292b106a8b1 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h @@ -81,6 +81,7 @@ SRI(DP_MSE_RATE_UPDATE, DP, id), \ SRI(DP_PIXEL_FORMAT, DP, id), \ SRI(DP_SEC_CNTL, DP, id), \ + SRI(DP_SEC_CNTL2, DP, id), \ SRI(DP_STEER_FIFO, DP, id), \ SRI(DP_VID_M, DP, id), \ SRI(DP_VID_N, DP, id), \ @@ -118,10 +119,12 @@ struct dcn10_stream_enc_registers { uint32_t AFMT_60958_1; uint32_t AFMT_60958_2; uint32_t DIG_FE_CNTL; + uint32_t DIG_FE_CNTL2; uint32_t DP_MSE_RATE_CNTL; uint32_t DP_MSE_RATE_UPDATE; uint32_t DP_PIXEL_FORMAT; uint32_t DP_SEC_CNTL; + uint32_t DP_SEC_CNTL2; uint32_t DP_STEER_FIFO; uint32_t DP_VID_M; uint32_t DP_VID_N; @@ -191,6 +194,10 @@ struct dcn10_stream_enc_registers { SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP2_ENABLE, mask_sh),\ SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP3_ENABLE, mask_sh),\ SE_SF(DP0_DP_SEC_CNTL, DP_SEC_MPG_ENABLE, mask_sh),\ + SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP4_SEND, mask_sh),\ + SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP4_SEND_PENDING, mask_sh),\ + SE_SF(DP0_DP_SEC_CNTL4, DP_SEC_GSP4_LINE_NUM, mask_sh),\ + SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP4_SEND_ANY_LINE, mask_sh),\ SE_SF(DP0_DP_VID_STREAM_CNTL, DP_VID_STREAM_DIS_DEFER, mask_sh),\ SE_SF(DP0_DP_VID_STREAM_CNTL, DP_VID_STREAM_ENABLE, mask_sh),\ SE_SF(DP0_DP_VID_STREAM_CNTL, DP_VID_STREAM_STATUS, mask_sh),\ @@ -245,6 +252,7 @@ struct dcn10_stream_enc_registers { SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC2_FRAME_UPDATE_PENDING, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC3_FRAME_UPDATE_PENDING, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_FRAME_UPDATE_PENDING, mask_sh),\ + SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_IMMEDIATE_UPDATE_PENDING, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC5_FRAME_UPDATE_PENDING, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC6_FRAME_UPDATE_PENDING, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC7_FRAME_UPDATE_PENDING, mask_sh),\ @@ -253,6 +261,7 @@ struct dcn10_stream_enc_registers { SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC2_FRAME_UPDATE, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC3_FRAME_UPDATE, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_FRAME_UPDATE, mask_sh),\ + SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC4_IMMEDIATE_UPDATE, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC5_FRAME_UPDATE, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC6_FRAME_UPDATE, mask_sh),\ SE_SF(DIG0_AFMT_VBI_PACKET_CONTROL1, AFMT_GENERIC7_FRAME_UPDATE, mask_sh),\ @@ -260,6 +269,7 @@ struct dcn10_stream_enc_registers { SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP5_ENABLE, mask_sh),\ SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP6_ENABLE, mask_sh),\ SE_SF(DP0_DP_SEC_CNTL, DP_SEC_GSP7_ENABLE, mask_sh),\ + SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP7_PPS, mask_sh),\ SE_SF(DP0_DP_SEC_CNTL2, DP_SEC_GSP7_SEND, mask_sh),\ SE_SF(DP0_DP_DB_CNTL, DP_DB_DISABLE, mask_sh),\ SE_SF(DP0_DP_MSA_COLORIMETRY, DP_MSA_MISC0, mask_sh),\ @@ -304,6 +314,7 @@ struct dcn10_stream_enc_registers { type AFMT_GENERIC2_FRAME_UPDATE_PENDING;\ type AFMT_GENERIC3_FRAME_UPDATE_PENDING;\ type AFMT_GENERIC4_FRAME_UPDATE_PENDING;\ + type AFMT_GENERIC4_IMMEDIATE_UPDATE_PENDING;\ type AFMT_GENERIC5_FRAME_UPDATE_PENDING;\ type AFMT_GENERIC6_FRAME_UPDATE_PENDING;\ type AFMT_GENERIC7_FRAME_UPDATE_PENDING;\ @@ -312,6 +323,7 @@ struct dcn10_stream_enc_registers { type AFMT_GENERIC2_FRAME_UPDATE;\ type AFMT_GENERIC3_FRAME_UPDATE;\ type AFMT_GENERIC4_FRAME_UPDATE;\ + type AFMT_GENERIC4_IMMEDIATE_UPDATE;\ type AFMT_GENERIC5_FRAME_UPDATE;\ type AFMT_GENERIC6_FRAME_UPDATE;\ type AFMT_GENERIC7_FRAME_UPDATE;\ @@ -366,7 +378,12 @@ struct dcn10_stream_enc_registers { type DP_SEC_GSP5_ENABLE;\ type DP_SEC_GSP6_ENABLE;\ type DP_SEC_GSP7_ENABLE;\ + type DP_SEC_GSP7_PPS;\ type DP_SEC_GSP7_SEND;\ + type DP_SEC_GSP4_SEND;\ + type DP_SEC_GSP4_SEND_PENDING;\ + type DP_SEC_GSP4_LINE_NUM;\ + type DP_SEC_GSP4_SEND_ANY_LINE;\ type DP_SEC_MPG_ENABLE;\ type DP_VID_STREAM_DIS_DEFER;\ type DP_VID_STREAM_ENABLE;\ @@ -484,6 +501,11 @@ void enc1_stream_encoder_update_dp_info_packets( struct stream_encoder *enc, const struct encoder_info_frame *info_frame); +void enc1_stream_encoder_send_immediate_sdp_message( + struct stream_encoder *enc, + const uint8_t *custom_sdp_message, + unsigned int sdp_message_size); + void enc1_stream_encoder_stop_dp_info_packets( struct stream_encoder *enc); 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 49854eb73d1d..537563888f87 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 @@ -63,8 +63,6 @@ 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 { @@ -123,6 +121,11 @@ struct stream_encoder_funcs { struct stream_encoder *enc, const struct encoder_info_frame *info_frame); + void (*send_immediate_sdp_message)( + struct stream_encoder *enc, + const uint8_t *custom_sdp_message, + unsigned int sdp_message_size); + void (*stop_dp_info_packets)( struct stream_encoder *enc); diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h index 33905468e2b9..eb1c12ed026a 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h @@ -158,6 +158,11 @@ struct hw_sequencer_funcs { void (*update_info_frame)(struct pipe_ctx *pipe_ctx); + void (*send_immediate_sdp_message)( + struct pipe_ctx *pipe_ctx, + const uint8_t *custom_sdp_message, + unsigned int sdp_message_size); + void (*enable_stream)(struct pipe_ctx *pipe_ctx); void (*disable_stream)(struct pipe_ctx *pipe_ctx, |