From: Russell King <rmk+kernel@armlinux.org.uk>
To: dri-devel@lists.freedesktop.org
Cc: David Airlie <airlied@linux.ie>
Subject: [PATCH 4/5] drm/i2c: tda998x: add vendor specific infoframe support
Date: Fri, 25 Jan 2019 09:43:24 +0000 [thread overview]
Message-ID: <E1gmy1E-0007Fu-S7@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <20190125094038.ohrj6fhm7c7bdtee@e5254000004ec.dyn.armlinux.org.uk>
Add support for the vendor specific infoframe.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index dad7396ebe2b..b0ed2ef49c62 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -874,6 +874,19 @@ tda998x_write_avi(struct tda998x_priv *priv, const struct drm_display_mode *mode
tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, &frame);
}
+static void tda998x_write_vsi(struct tda998x_priv *priv,
+ struct drm_display_mode *mode)
+{
+ union hdmi_infoframe frame;
+
+ if (drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi,
+ &priv->connector,
+ mode))
+ reg_clear(priv, REG_DIP_IF_FLAGS, DIP_IF_FLAGS_IF1);
+ else
+ tda998x_write_if(priv, DIP_IF_FLAGS_IF1, REG_IF1_HB0, &frame);
+}
+
/* Audio support */
static void tda998x_audio_mute(struct tda998x_priv *priv, bool on)
@@ -1572,6 +1585,7 @@ static void tda998x_bridge_mode_set(struct drm_bridge *bridge,
tda998x_write_avi(priv, adjusted_mode);
tda998x_write_spd(priv);
+ tda998x_write_vsi(priv, adjusted_mode);
if (priv->audio_params.format != AFMT_UNUSED &&
priv->sink_has_audio)
--
2.7.4
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next prev parent reply other threads:[~2019-01-25 9:50 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-25 9:40 [PATCH 0/5] tda998x updates Russell King - ARM Linux admin
2019-01-25 9:43 ` [PATCH 1/5] drm/i2c: tda998x: add support for pixel repeated modes Russell King
2019-01-25 9:43 ` [PATCH 2/5] drm/i2c: tda998x: add bridge timing information Russell King
2019-01-25 9:43 ` [PATCH 3/5] drm/i2c: tda998x: add support for writing SPD Russell King
2019-01-30 15:41 ` Brian Starkey
2019-01-30 17:23 ` Russell King - ARM Linux admin
2019-01-30 17:52 ` Brian Starkey
2019-01-25 9:43 ` Russell King [this message]
2019-01-30 15:57 ` [PATCH 4/5] drm/i2c: tda998x: add vendor specific infoframe support Brian Starkey
2019-01-25 9:43 ` [PATCH 5/5] drm/i2c: tda998x: improve correctness of quantisation range Russell King
2019-01-30 15:53 ` Brian Starkey
2019-01-30 18:18 ` Russell King - ARM Linux admin
2019-01-31 10:53 ` Brian Starkey
2019-01-25 11:45 ` [PATCH 0/5] tda998x updates Brian Starkey
2019-01-25 11:56 ` Russell King - ARM Linux admin
2019-01-25 12:01 ` Brian Starkey
2019-02-27 10:53 ` Russell King - ARM Linux admin
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