diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/link_hwss_dio.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_hwss_dio.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_hwss_dio.c b/drivers/gpu/drm/amd/display/dc/link/link_hwss_dio.c new file mode 100644 index 000000000..4227adbc6 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/link/link_hwss_dio.c @@ -0,0 +1,196 @@ +/* + * Copyright 2022 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ +#include "link_hwss_dio.h" +#include "core_types.h" +#include "dc_link_dp.h" +#include "link_enc_cfg.h" + +void set_dio_throttled_vcp_size(struct pipe_ctx *pipe_ctx, + struct fixed31_32 throttled_vcp_size) +{ + struct stream_encoder *stream_encoder = pipe_ctx->stream_res.stream_enc; + + stream_encoder->funcs->set_throttled_vcp_size( + stream_encoder, + throttled_vcp_size); +} + +void setup_dio_stream_encoder(struct pipe_ctx *pipe_ctx) +{ + struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link); + struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc; + + link_enc->funcs->connect_dig_be_to_fe(link_enc, + pipe_ctx->stream_res.stream_enc->id, true); + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(pipe_ctx->stream->link, + DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE); + if (stream_enc->funcs->enable_fifo) + stream_enc->funcs->enable_fifo(stream_enc); +} + +void reset_dio_stream_encoder(struct pipe_ctx *pipe_ctx) +{ + struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link); + struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc; + + if (stream_enc && stream_enc->funcs->disable_fifo) + stream_enc->funcs->disable_fifo(stream_enc); + + link_enc->funcs->connect_dig_be_to_fe( + link_enc, + pipe_ctx->stream_res.stream_enc->id, + false); + if (dc_is_dp_signal(pipe_ctx->stream->signal)) + dp_source_sequence_trace(pipe_ctx->stream->link, + DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE); + +} + +void setup_dio_stream_attribute(struct pipe_ctx *pipe_ctx) +{ + struct stream_encoder *stream_encoder = pipe_ctx->stream_res.stream_enc; + struct dc_stream_state *stream = pipe_ctx->stream; + struct dc_link *link = stream->link; + + if (!dc_is_virtual_signal(stream->signal)) + stream_encoder->funcs->setup_stereo_sync( + stream_encoder, + pipe_ctx->stream_res.tg->inst, + stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE); + + if (dc_is_dp_signal(stream->signal)) + stream_encoder->funcs->dp_set_stream_attribute( + stream_encoder, + &stream->timing, + stream->output_color_space, + stream->use_vsc_sdp_for_colorimetry, + link->dpcd_caps.dprx_feature.bits.SST_SPLIT_SDP_CAP); + else if (dc_is_hdmi_tmds_signal(stream->signal)) + stream_encoder->funcs->hdmi_set_stream_attribute( + stream_encoder, + &stream->timing, + stream->phy_pix_clk, + pipe_ctx->stream_res.audio != NULL); + else if (dc_is_dvi_signal(stream->signal)) + stream_encoder->funcs->dvi_set_stream_attribute( + stream_encoder, + &stream->timing, + (stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) ? + true : false); + else if (dc_is_lvds_signal(stream->signal)) + stream_encoder->funcs->lvds_set_stream_attribute( + stream_encoder, + &stream->timing); + + if (dc_is_dp_signal(stream->signal)) + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR); +} + +void enable_dio_dp_link_output(struct dc_link *link, + const struct link_resource *link_res, + enum signal_type signal, + enum clock_source_id clock_source, + const struct dc_link_settings *link_settings) +{ + struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link); + + if (dc_is_dp_sst_signal(signal)) + link_enc->funcs->enable_dp_output( + link_enc, + link_settings, + clock_source); + else + link_enc->funcs->enable_dp_mst_output( + link_enc, + link_settings, + clock_source); + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY); +} + +void disable_dio_link_output(struct dc_link *link, + const struct link_resource *link_res, + enum signal_type signal) +{ + struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link); + + link_enc->funcs->disable_output(link_enc, signal); + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY); +} + +void set_dio_dp_link_test_pattern(struct dc_link *link, + const struct link_resource *link_res, + struct encoder_set_dp_phy_pattern_param *tp_params) +{ + struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link); + + link_enc->funcs->dp_set_phy_pattern(link_enc, tp_params); + dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN); +} + +void set_dio_dp_lane_settings(struct dc_link *link, + const struct link_resource *link_res, + const struct dc_link_settings *link_settings, + const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]) +{ + struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link); + + link_enc->funcs->dp_set_lane_settings(link_enc, link_settings, lane_settings); +} + +static void update_dio_stream_allocation_table(struct dc_link *link, + const struct link_resource *link_res, + const struct link_mst_stream_allocation_table *table) +{ + struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link); + + ASSERT(link_enc); + link_enc->funcs->update_mst_stream_allocation_table(link_enc, table); +} + +static const struct link_hwss dio_link_hwss = { + .setup_stream_encoder = setup_dio_stream_encoder, + .reset_stream_encoder = reset_dio_stream_encoder, + .setup_stream_attribute = setup_dio_stream_attribute, + .disable_link_output = disable_dio_link_output, + .ext = { + .set_throttled_vcp_size = set_dio_throttled_vcp_size, + .enable_dp_link_output = enable_dio_dp_link_output, + .set_dp_link_test_pattern = set_dio_dp_link_test_pattern, + .set_dp_lane_settings = set_dio_dp_lane_settings, + .update_stream_allocation_table = update_dio_stream_allocation_table, + }, +}; + +bool can_use_dio_link_hwss(const struct dc_link *link, + const struct link_resource *link_res) +{ + return link->link_enc != NULL; +} + +const struct link_hwss *get_dio_link_hwss(void) +{ + return &dio_link_hwss; +} |