target/linux/bcm27xx/patches-5.10/950-0318-vc_hdmi-Set-VC4_HDMI_MAI_CONFIG_FORMAT_REVERSE.patch

   1 From f4a590c59a65381a0b9aa045e5fc493b3dbb5945 Mon Sep 17 00:00:00 2001
   2 From: Dom Cobley <popcornmix@gmail.com>
   3 Date: Tue, 30 Jun 2020 11:23:49 +0100
   4 Subject: [PATCH] vc_hdmi: Set VC4_HDMI_MAI_CONFIG_FORMAT_REVERSE
   5
   6 Without this bit set, HDMI_MAI_FORMAT doesn't pick up
   7 the format and samplerate from DVP_CFG_MAI0_FMT and you
   8 can't get HDMI_HDMI_13_AUDIO_STATUS_1 to indicate HBR mode
   9
  10 Signed-off-by: Dom Cobley <popcornmix@gmail.com>
  11 ---
  12  drivers/gpu/drm/vc4/vc4_hdmi.c | 1 +
  13  1 file changed, 1 insertion(+)
  14
  15 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c
  16 +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
  17 @@ -1095,6 +1095,7 @@ static int vc4_hdmi_audio_prepare(struct
  18
  19         HDMI_WRITE(HDMI_MAI_CONFIG,
  20                    VC4_HDMI_MAI_CONFIG_BIT_REVERSE |
  21 +                  VC4_HDMI_MAI_CONFIG_FORMAT_REVERSE |
  22                    VC4_SET_FIELD(channel_mask, VC4_HDMI_MAI_CHANNEL_MASK));
  23
  24         channel_map = vc4_hdmi->variant->channel_map(vc4_hdmi, channel_mask);