From 52beca6270b034cce84a738c71d36ffff7088389 Mon Sep 17 00:00:00 2001 From: Dom Cobley Date: Fri, 10 Jul 2020 11:51:16 +0100 Subject: [PATCH] drm/vc4: enable HBR MAI format on HBR streams Signed-off-by: Matthias Reichl --- drivers/gpu/drm/vc4/vc4_hdmi.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -991,7 +991,11 @@ static int vc4_hdmi_audio_prepare(struct vc4_hdmi_audio_set_mai_clock(vc4_hdmi); mai_sample_rate = sample_rate_to_mai_fmt(vc4_hdmi->audio.samplerate); - mai_audio_format = VC4_HDMI_MAI_FORMAT_PCM; + if (vc4_hdmi->audio.iec_status[0] & IEC958_AES0_NONAUDIO && + vc4_hdmi->audio.channels == 8) + mai_audio_format = VC4_HDMI_MAI_FORMAT_HBR; + else + mai_audio_format = VC4_HDMI_MAI_FORMAT_PCM; HDMI_WRITE(HDMI_MAI_FMT, VC4_SET_FIELD(mai_sample_rate, VC4_HDMI_MAI_FORMAT_SAMPLE_RATE) | VC4_SET_FIELD(mai_audio_format, VC4_HDMI_MAI_FORMAT_AUDIO_FORMAT));