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| author | Russell King <rmk+kernel@armlinux.org.uk> | 2018-12-05 15:51:45 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2019-06-13 21:55:12 +0100 |
| commit | 45a19dd397886a9591110c0e9ba7e058393a395d (patch) | |
| tree | b1a68d50d8ad378d939b5f71cb5dd63e385242ad | |
| parent | fcc22c5f9ddaa8d1bb051878cc7e5f928b9973d8 (diff) | |
| download | linux-45a19dd397886a9591110c0e9ba7e058393a395d.tar.bz2 | |
drm/i2c: tda998x: add vendor specific infoframe support
Add support for the vendor specific infoframe.
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
Tested-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
| -rw-r--r-- | drivers/gpu/drm/i2c/tda998x_drv.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 2d69aef556a5..3d368c43185f 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -877,6 +877,19 @@ 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, + const 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 const struct tda998x_audio_route tda998x_audio_route[AUDIO_ROUTE_NUM] = { @@ -1654,6 +1667,7 @@ static void tda998x_bridge_mode_set(struct drm_bridge *bridge, reg_set(priv, REG_TX33, TX33_HDMI); tda998x_write_avi(priv, adjusted_mode); + tda998x_write_vsi(priv, adjusted_mode); if (priv->sink_has_audio) tda998x_configure_audio(priv); |