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f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
26 lines
1019 B
Diff
26 lines
1019 B
Diff
From 52beca6270b034cce84a738c71d36ffff7088389 Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Fri, 10 Jul 2020 11:51:16 +0100
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Subject: [PATCH] drm/vc4: enable HBR MAI format on HBR streams
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Signed-off-by: Matthias Reichl <hias@horus.com>
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---
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drivers/gpu/drm/vc4/vc4_hdmi.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
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+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -991,7 +991,11 @@ static int vc4_hdmi_audio_prepare(struct
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vc4_hdmi_audio_set_mai_clock(vc4_hdmi);
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mai_sample_rate = sample_rate_to_mai_fmt(vc4_hdmi->audio.samplerate);
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- mai_audio_format = VC4_HDMI_MAI_FORMAT_PCM;
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+ if (vc4_hdmi->audio.iec_status[0] & IEC958_AES0_NONAUDIO &&
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+ vc4_hdmi->audio.channels == 8)
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+ mai_audio_format = VC4_HDMI_MAI_FORMAT_HBR;
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+ else
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+ mai_audio_format = VC4_HDMI_MAI_FORMAT_PCM;
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HDMI_WRITE(HDMI_MAI_FMT,
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VC4_SET_FIELD(mai_sample_rate, VC4_HDMI_MAI_FORMAT_SAMPLE_RATE) |
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VC4_SET_FIELD(mai_audio_format, VC4_HDMI_MAI_FORMAT_AUDIO_FORMAT));
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