diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0894-drm-vc4-enable-HBR-MAI-format-on-HBR-streams.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0894-drm-vc4-enable-HBR-MAI-format-on-HBR-streams.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0894-drm-vc4-enable-HBR-MAI-format-on-HBR-streams.patch b/target/linux/bcm27xx/patches-5.4/950-0894-drm-vc4-enable-HBR-MAI-format-on-HBR-streams.patch new file mode 100644 index 0000000000..823e9ebab5 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0894-drm-vc4-enable-HBR-MAI-format-on-HBR-streams.patch @@ -0,0 +1,25 @@ +From 52beca6270b034cce84a738c71d36ffff7088389 Mon Sep 17 00:00:00 2001 +From: Dom Cobley <popcornmix@gmail.com> +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 <hias@horus.com> +--- + 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)); |