From: Nevenko Stupar Date: Tue, 11 Jun 2019 21:35:16 +0000 (-0400) Subject: drm/amd/display:Use Pixel clock in 100Hz units for HDMI Audio wall clock DTO X-Git-Tag: v5.4-rc1~106^2~17^2~289 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=40fd9090aec688be730d54a00fd2fdcb37e16701;p=linux.git drm/amd/display:Use Pixel clock in 100Hz units for HDMI Audio wall clock DTO [Why] -Pass and use pixel clock in 100 Hz to Audio for HDMI audio DTO for Audio wall clock programming so audio DTO gets increased precision for timings with /1001 factor. -For HDMI TMDS for N and CTS ACR tables are based on 10 KHz units, these does not need to be modified as N and CTS values are still valid using current tables. Signed-off-by: Nevenko Stupar Reviewed-by: Charlene Liu Acked-by: Leo Li Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c index 4a10a5d22c90..6147530144eb 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c @@ -145,20 +145,20 @@ static void check_audio_bandwidth_hdmi( if (channel_count > 2) { /* Based on HDMI spec 1.3 Table 7.5 */ - if ((crtc_info->requested_pixel_clock <= 27000) && + if ((crtc_info->requested_pixel_clock_100Hz <= 270000) && (crtc_info->v_active <= 576) && !(crtc_info->interlaced) && !(crtc_info->pixel_repetition == 2 || crtc_info->pixel_repetition == 4)) { limit_freq_to_48_khz = true; - } else if ((crtc_info->requested_pixel_clock <= 27000) && + } else if ((crtc_info->requested_pixel_clock_100Hz <= 270000) && (crtc_info->v_active <= 576) && (crtc_info->interlaced) && (crtc_info->pixel_repetition == 2)) { limit_freq_to_88_2_khz = true; - } else if ((crtc_info->requested_pixel_clock <= 54000) && + } else if ((crtc_info->requested_pixel_clock_100Hz <= 540000) && (crtc_info->v_active <= 576) && !(crtc_info->interlaced)) { limit_freq_to_174_4_khz = true; @@ -737,8 +737,8 @@ void dce_aud_az_configure( /* search pixel clock value for Azalia HDMI Audio */ static void get_azalia_clock_info_hdmi( - uint32_t crtc_pixel_clock_in_khz, - uint32_t actual_pixel_clock_in_khz, + uint32_t crtc_pixel_clock_100hz, + uint32_t actual_pixel_clock_100Hz, struct azalia_clock_info *azalia_clock_info) { /* audio_dto_phase= 24 * 10,000; @@ -749,11 +749,11 @@ static void get_azalia_clock_info_hdmi( /* audio_dto_module = PCLKFrequency * 10,000; * [khz] -> [100Hz] */ azalia_clock_info->audio_dto_module = - actual_pixel_clock_in_khz * 10; + actual_pixel_clock_100Hz; } static void get_azalia_clock_info_dp( - uint32_t requested_pixel_clock_in_khz, + uint32_t requested_pixel_clock_100Hz, const struct audio_pll_info *pll_info, struct azalia_clock_info *azalia_clock_info) { @@ -792,15 +792,15 @@ void dce_aud_wall_dto_setup( /* calculate DTO settings */ get_azalia_clock_info_hdmi( - crtc_info->requested_pixel_clock, - crtc_info->calculated_pixel_clock, + crtc_info->requested_pixel_clock_100Hz, + crtc_info->calculated_pixel_clock_100Hz, &clock_info); - DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock = %d"\ - "calculated_pixel_clock =%d\n"\ + DC_LOG_HW_AUDIO("\n%s:Input::requested_pixel_clock_100Hz = %d"\ + "calculated_pixel_clock_100Hz =%d\n"\ "audio_dto_module = %d audio_dto_phase =%d \n\n", __func__,\ - crtc_info->requested_pixel_clock,\ - crtc_info->calculated_pixel_clock,\ + crtc_info->requested_pixel_clock_100Hz,\ + crtc_info->calculated_pixel_clock_100Hz,\ clock_info.audio_dto_module,\ clock_info.audio_dto_phase); @@ -833,7 +833,7 @@ void dce_aud_wall_dto_setup( calculate DTO settings */ get_azalia_clock_info_dp( - crtc_info->requested_pixel_clock, + crtc_info->requested_pixel_clock_100Hz, pll_info, &clock_info); diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c index 5e2b4d47c548..84bbff665be9 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -1251,13 +1251,13 @@ static uint32_t calc_max_audio_packets_per_line( static void get_audio_clock_info( enum dc_color_depth color_depth, - uint32_t crtc_pixel_clock_in_khz, - uint32_t actual_pixel_clock_in_khz, + uint32_t crtc_pixel_clock_100Hz, + uint32_t actual_pixel_clock_100Hz, struct audio_clock_info *audio_clock_info) { const struct audio_clock_info *clock_info; uint32_t index; - uint32_t crtc_pixel_clock_in_10khz = crtc_pixel_clock_in_khz / 10; + uint32_t crtc_pixel_clock_in_10khz = crtc_pixel_clock_100Hz / 100; uint32_t audio_array_size; switch (color_depth) { @@ -1294,16 +1294,16 @@ static void get_audio_clock_info( } /* not found */ - if (actual_pixel_clock_in_khz == 0) - actual_pixel_clock_in_khz = crtc_pixel_clock_in_khz; + if (actual_pixel_clock_100Hz == 0) + actual_pixel_clock_100Hz = crtc_pixel_clock_100Hz; /* See HDMI spec the table entry under * pixel clock of "Other". */ audio_clock_info->pixel_clock_in_10khz = - actual_pixel_clock_in_khz / 10; - audio_clock_info->cts_32khz = actual_pixel_clock_in_khz; - audio_clock_info->cts_44khz = actual_pixel_clock_in_khz; - audio_clock_info->cts_48khz = actual_pixel_clock_in_khz; + actual_pixel_clock_100Hz / 100; + audio_clock_info->cts_32khz = actual_pixel_clock_100Hz / 10; + audio_clock_info->cts_44khz = actual_pixel_clock_100Hz / 10; + audio_clock_info->cts_48khz = actual_pixel_clock_100Hz / 10; audio_clock_info->n_32khz = 4096; audio_clock_info->n_44khz = 6272; @@ -1369,14 +1369,14 @@ static void dce110_se_setup_hdmi_audio( /* Program audio clock sample/regeneration parameters */ get_audio_clock_info(crtc_info->color_depth, - crtc_info->requested_pixel_clock, - crtc_info->calculated_pixel_clock, + crtc_info->requested_pixel_clock_100Hz, + crtc_info->calculated_pixel_clock_100Hz, &audio_clock_info); DC_LOG_HW_AUDIO( - "\n%s:Input::requested_pixel_clock = %d" \ - "calculated_pixel_clock = %d \n", __func__, \ - crtc_info->requested_pixel_clock, \ - crtc_info->calculated_pixel_clock); + "\n%s:Input::requested_pixel_clock_100Hz = %d" \ + "calculated_pixel_clock_100Hz = %d \n", __func__, \ + crtc_info->requested_pixel_clock_100Hz, \ + crtc_info->calculated_pixel_clock_100Hz); /* HDMI_ACR_32_0__HDMI_ACR_CTS_32_MASK */ REG_UPDATE(HDMI_ACR_32_0, HDMI_ACR_CTS_32, audio_clock_info.cts_32khz); diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 858a58856ebd..3a937e297a89 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1162,27 +1162,27 @@ static void build_audio_output( stream->timing.flags.INTERLACE; audio_output->crtc_info.refresh_rate = - (stream->timing.pix_clk_100hz*10000)/ + (stream->timing.pix_clk_100hz*100)/ (stream->timing.h_total*stream->timing.v_total); audio_output->crtc_info.color_depth = stream->timing.display_color_depth; - audio_output->crtc_info.requested_pixel_clock = - pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz / 10; + audio_output->crtc_info.requested_pixel_clock_100Hz = + pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz; - audio_output->crtc_info.calculated_pixel_clock = - pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz / 10; + audio_output->crtc_info.calculated_pixel_clock_100Hz = + pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz; /*for HDMI, audio ACR is with deep color ratio factor*/ if (dc_is_hdmi_signal(pipe_ctx->stream->signal) && - audio_output->crtc_info.requested_pixel_clock == - (stream->timing.pix_clk_100hz / 10)) { + audio_output->crtc_info.requested_pixel_clock_100Hz == + (stream->timing.pix_clk_100hz)) { if (pipe_ctx->stream_res.pix_clk_params.pixel_encoding == PIXEL_ENCODING_YCBCR420) { - audio_output->crtc_info.requested_pixel_clock = - audio_output->crtc_info.requested_pixel_clock/2; - audio_output->crtc_info.calculated_pixel_clock = - pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz/20; + audio_output->crtc_info.requested_pixel_clock_100Hz = + audio_output->crtc_info.requested_pixel_clock_100Hz/2; + audio_output->crtc_info.calculated_pixel_clock_100Hz = + pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz/2; } } 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 b9ffbf6b58ff..128e040b7848 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 @@ -1196,13 +1196,13 @@ static union audio_cea_channels speakers_to_channels( void get_audio_clock_info( enum dc_color_depth color_depth, - uint32_t crtc_pixel_clock_in_khz, - uint32_t actual_pixel_clock_in_khz, + uint32_t crtc_pixel_clock_100Hz, + uint32_t actual_pixel_clock_100Hz, struct audio_clock_info *audio_clock_info) { const struct audio_clock_info *clock_info; uint32_t index; - uint32_t crtc_pixel_clock_in_10khz = crtc_pixel_clock_in_khz / 10; + uint32_t crtc_pixel_clock_in_10khz = crtc_pixel_clock_100Hz / 100; uint32_t audio_array_size; switch (color_depth) { @@ -1239,16 +1239,16 @@ void get_audio_clock_info( } /* not found */ - if (actual_pixel_clock_in_khz == 0) - actual_pixel_clock_in_khz = crtc_pixel_clock_in_khz; + if (actual_pixel_clock_100Hz == 0) + actual_pixel_clock_100Hz = crtc_pixel_clock_100Hz; /* See HDMI spec the table entry under * pixel clock of "Other". */ audio_clock_info->pixel_clock_in_10khz = - actual_pixel_clock_in_khz / 10; - audio_clock_info->cts_32khz = actual_pixel_clock_in_khz; - audio_clock_info->cts_44khz = actual_pixel_clock_in_khz; - audio_clock_info->cts_48khz = actual_pixel_clock_in_khz; + actual_pixel_clock_100Hz / 100; + audio_clock_info->cts_32khz = actual_pixel_clock_100Hz / 10; + audio_clock_info->cts_44khz = actual_pixel_clock_100Hz / 10; + audio_clock_info->cts_48khz = actual_pixel_clock_100Hz / 10; audio_clock_info->n_32khz = 4096; audio_clock_info->n_44khz = 6272; @@ -1308,14 +1308,14 @@ static void enc1_se_setup_hdmi_audio( /* Program audio clock sample/regeneration parameters */ get_audio_clock_info(crtc_info->color_depth, - crtc_info->requested_pixel_clock, - crtc_info->calculated_pixel_clock, + crtc_info->requested_pixel_clock_100Hz, + crtc_info->calculated_pixel_clock_100Hz, &audio_clock_info); DC_LOG_HW_AUDIO( - "\n%s:Input::requested_pixel_clock = %d" \ - "calculated_pixel_clock = %d \n", __func__, \ - crtc_info->requested_pixel_clock, \ - crtc_info->calculated_pixel_clock); + "\n%s:Input::requested_pixel_clock_100Hz = %d" \ + "calculated_pixel_clock_100Hz = %d \n", __func__, \ + crtc_info->requested_pixel_clock_100Hz, \ + crtc_info->calculated_pixel_clock_100Hz); /* HDMI_ACR_32_0__HDMI_ACR_CTS_32_MASK */ REG_UPDATE(HDMI_ACR_32_0, HDMI_ACR_CTS_32, audio_clock_info.cts_32khz); 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 bc2b4af9543b..075e49c1283a 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 @@ -605,8 +605,8 @@ void enc1_se_enable_dp_audio( void get_audio_clock_info( enum dc_color_depth color_depth, - uint32_t crtc_pixel_clock_in_khz, - uint32_t actual_pixel_clock_in_khz, + uint32_t crtc_pixel_clock_100Hz, + uint32_t actual_pixel_clock_100Hz, struct audio_clock_info *audio_clock_info); #endif /* __DC_STREAM_ENCODER_DCN10_H__ */ diff --git a/drivers/gpu/drm/amd/display/include/audio_types.h b/drivers/gpu/drm/amd/display/include/audio_types.h index 6364fbc24cfe..66a54da0641c 100644 --- a/drivers/gpu/drm/amd/display/include/audio_types.h +++ b/drivers/gpu/drm/amd/display/include/audio_types.h @@ -38,8 +38,8 @@ struct audio_crtc_info { uint32_t h_active; uint32_t v_active; uint32_t pixel_repetition; - uint32_t requested_pixel_clock; /* in KHz */ - uint32_t calculated_pixel_clock; /* in KHz */ + uint32_t requested_pixel_clock_100Hz; /* in 100Hz */ + uint32_t calculated_pixel_clock_100Hz; /* in 100Hz */ uint32_t refresh_rate; enum dc_color_depth color_depth; bool interlaced;