From: moinejf@free.fr (Jean-Francois Moine)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 23/28] drm/i2c: tda998x: add the active aspect in HDMI AVI frame
Date: Thu, 9 Jan 2014 12:06:39 +0100 [thread overview]
Message-ID: <20140109120639.5f76c620@armhf> (raw)
This patch adds the active aspect as 'picture' in the HDMI AVI frame
and also some comments about this frame.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 55cecb8..68630b8 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -696,7 +696,11 @@ tda998x_write_avi(struct tda998x_priv *priv, struct drm_display_mode *mode)
buf[HB(1)] = 0x02;
buf[HB(2)] = HDMI_AVI_INFOFRAME_SIZE;
buf[PB(1)] = HDMI_SCAN_MODE_UNDERSCAN;
+ /* (color_ind << 5) | (info_pres << 4) | (bar << 2) | scan */
+ buf[PB(2)] = HDMI_ACTIVE_ASPECT_PICTURE;
+ /* (colorimetry << 6) | (pic_ratio << 4) | active_ratio */
buf[PB(3)] = HDMI_QUANTIZATION_RANGE_FULL << 2;
+ /* (quant_range << 2) | non_uniform_scaling */
buf[PB(4)] = drm_match_cea_mode(mode);
tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf,
--
Ken ar c'henta? | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
next reply other threads:[~2014-01-09 11:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-09 11:06 Jean-Francois Moine [this message]
2014-01-11 18:51 ` [PATCH v2 23/28] drm/i2c: tda998x: add the active aspect in HDMI AVI frame Russell King - ARM Linux
2014-01-13 9:26 ` Jean-Francois Moine
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