linux-kernel - [PATCH v2 08/12] drm/vc4: hdmi: Set VC4_HDMI_MAI_CONFIG_FORMAT

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Message-Id: <20210525132354.297468-9-maxime@cerno.tech>
Date:   Tue, 25 May 2021 15:23:50 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Jaroslav Kysela <perex@...ex.cz>, Mark Brown <broonie@...nel.org>,
        dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Maxime Ripard <maxime@...no.tech>,
        Liam Girdwood <lgirdwood@...il.com>,
        Takashi Iwai <tiwai@...e.com>
Cc:     devicetree@...r.kernel.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Phil Elwell <phil@...pberrypi.com>,
        Tim Gover <tim.gover@...pberrypi.com>,
        Dom Cobley <dom@...pberrypi.com>, linux-doc@...r.kernel.org,
        Eric Anholt <eric@...olt.net>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
        Maxime Ripard <mripard@...nel.org>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org,
        Daniel Vetter <daniel@...ll.ch>,
        linux-rpi-kernel@...ts.infradead.org,
        Jonathan Corbet <corbet@....net>,
        Rob Herring <robh+dt@...nel.org>,
        Dom Cobley <popcornmix@...il.com>
Subject: [PATCH v2 08/12] drm/vc4: hdmi: Set VC4_HDMI_MAI_CONFIG_FORMAT_REVERSE

From: Dom Cobley <popcornmix@...il.com>

Without this bit set, HDMI_MAI_FORMAT doesn't pick up
the format and samplerate from DVP_CFG_MAI0_FMT and you
can't get HDMI_HDMI_13_AUDIO_STATUS_1 to indicate HBR mode

Signed-off-by: Dom Cobley <popcornmix@...il.com>
Signed-off-by: Maxime Ripard <maxime@...no.tech>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 2c2f21ee0451..0cf9949a749f 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1288,6 +1288,7 @@ static int vc4_hdmi_audio_hw_params(struct snd_pcm_substream *substream,
 
 	HDMI_WRITE(HDMI_MAI_CONFIG,
 		   VC4_HDMI_MAI_CONFIG_BIT_REVERSE |
+		   VC4_HDMI_MAI_CONFIG_FORMAT_REVERSE |
 		   VC4_SET_FIELD(channel_mask, VC4_HDMI_MAI_CHANNEL_MASK));
 
 	channel_map = vc4_hdmi->variant->channel_map(vc4_hdmi, channel_mask);
-- 
2.31.1