From 4021feb98c47aad8f783b687793078679fe7895e Mon Sep 17 00:00:00 2001 From: Eric Bernstein Date: Tue, 22 May 2018 15:16:33 -0400 Subject: [PATCH 4733/5725] drm/amd/display: Stream encoder update Update stream encoder based on feedback from HW team. Signed-off-by: Eric Bernstein Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- .../amd/display/dc/dcn10/dcn10_stream_encoder.c | 30 +--------------------- 1 file changed, 1 insertion(+), 29 deletions(-) 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 147f614..32a4997 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 @@ -1097,27 +1097,6 @@ static union audio_cea_channels speakers_to_channels( return cea_channels; } -static uint32_t calc_max_audio_packets_per_line( - const struct audio_crtc_info *crtc_info) -{ - uint32_t max_packets_per_line; - - max_packets_per_line = - crtc_info->h_total - crtc_info->h_active; - - if (crtc_info->pixel_repetition) - max_packets_per_line *= crtc_info->pixel_repetition; - - /* for other hdmi features */ - max_packets_per_line -= 58; - /* for Control Period */ - max_packets_per_line -= 16; - /* Number of Audio Packets per Line */ - max_packets_per_line /= 32; - - return max_packets_per_line; -} - static void get_audio_clock_info( enum dc_color_depth color_depth, uint32_t crtc_pixel_clock_in_khz, @@ -1211,16 +1190,9 @@ static void enc1_se_setup_hdmi_audio( struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); struct audio_clock_info audio_clock_info = {0}; - uint32_t max_packets_per_line; - - /* For now still do calculation, although this field is ignored when - * above HDMI_PACKET_GEN_VERSION set to 1 - */ - max_packets_per_line = calc_max_audio_packets_per_line(crtc_info); /* HDMI_AUDIO_PACKET_CONTROL */ - REG_UPDATE_2(HDMI_AUDIO_PACKET_CONTROL, - HDMI_AUDIO_PACKETS_PER_LINE, max_packets_per_line, + REG_UPDATE(HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1); /* AFMT_AUDIO_PACKET_CONTROL */ -- 2.7.4