diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 60 |
1 files changed, 57 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index 2352428bcea3..9d5df4c0da59 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1291,6 +1291,46 @@ static enum audio_dto_source translate_to_dto_source(enum controller_id crtc_id) } } +static void populate_audio_dp_link_info( + const struct pipe_ctx *pipe_ctx, + struct audio_dp_link_info *dp_link_info) +{ + const struct dc_stream_state *stream = pipe_ctx->stream; + const struct dc_link *link = stream->link; + struct fixed31_32 link_bw_kbps; + + dp_link_info->encoding = link->dc->link_srv->dp_get_encoding_format( + &pipe_ctx->link_config.dp_link_settings); + dp_link_info->is_mst = (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST); + dp_link_info->lane_count = pipe_ctx->link_config.dp_link_settings.lane_count; + dp_link_info->link_rate = pipe_ctx->link_config.dp_link_settings.link_rate; + + link_bw_kbps = dc_fixpt_from_int(dc_link_bandwidth_kbps(link, + &pipe_ctx->link_config.dp_link_settings)); + + /* For audio stream calculations, the video stream should not include FEC or SSC + * in order to get the most pessimistic values. + */ + if (dp_link_info->encoding == DP_8b_10b_ENCODING && + link->dc->link_srv->dp_is_fec_supported(link)) { + link_bw_kbps = dc_fixpt_mul(link_bw_kbps, + dc_fixpt_from_fraction(100, DATA_EFFICIENCY_8b_10b_FEC_EFFICIENCY_x100)); + } else if (dp_link_info->encoding == DP_128b_132b_ENCODING) { + link_bw_kbps = dc_fixpt_mul(link_bw_kbps, + dc_fixpt_from_fraction(10000, 9975)); /* 99.75% SSC overhead*/ + } + + dp_link_info->link_bandwidth_kbps = dc_fixpt_floor(link_bw_kbps); + + /* HW minimum for 128b/132b HBlank is 4 frame symbols. + * TODO: Plumb the actual programmed HBlank min symbol width to here. + */ + if (dp_link_info->encoding == DP_128b_132b_ENCODING) + dp_link_info->hblank_min_symbol_width = 4; + else + dp_link_info->hblank_min_symbol_width = 0; +} + static void build_audio_output( struct dc_state *state, const struct pipe_ctx *pipe_ctx, @@ -1338,6 +1378,15 @@ static void build_audio_output( audio_output->crtc_info.calculated_pixel_clock_100Hz = pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz; + audio_output->crtc_info.pixel_encoding = + stream->timing.pixel_encoding; + + audio_output->crtc_info.dsc_bits_per_pixel = + stream->timing.dsc_cfg.bits_per_pixel; + + audio_output->crtc_info.dsc_num_slices = + stream->timing.dsc_cfg.num_slices_h; + /*for HDMI, audio ACR is with deep color ratio factor*/ if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) && audio_output->crtc_info.requested_pixel_clock_100Hz == @@ -1371,6 +1420,10 @@ static void build_audio_output( audio_output->pll_info.ss_percentage = pipe_ctx->pll_settings.ss_percentage; + + if (dc_is_dp_signal(pipe_ctx->stream->signal)) { + populate_audio_dp_link_info(pipe_ctx, &audio_output->dp_link_info); + } } static void program_scaler(const struct dc *dc, @@ -1476,7 +1529,7 @@ static enum dc_status dce110_enable_stream_timing( return DC_OK; } -static enum dc_status apply_single_controller_ctx_to_hw( +enum dc_status dce110_apply_single_controller_ctx_to_hw( struct pipe_ctx *pipe_ctx, struct dc_state *context, struct dc *dc) @@ -1507,7 +1560,8 @@ static enum dc_status apply_single_controller_ctx_to_hw( pipe_ctx->stream_res.audio, pipe_ctx->stream->signal, &audio_output.crtc_info, - &pipe_ctx->stream->audio_info); + &pipe_ctx->stream->audio_info, + &audio_output.dp_link_info); } /* make sure no pipes syncd to the pipe being enabled */ @@ -2302,7 +2356,7 @@ enum dc_status dce110_apply_ctx_to_hw( if (pipe_ctx->top_pipe || pipe_ctx->prev_odm_pipe) continue; - status = apply_single_controller_ctx_to_hw( + status = dce110_apply_single_controller_ctx_to_hw( pipe_ctx, context, dc); |