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 at 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/
