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CHROMIUM: drm: bridge/dw_hdmi: assign CD field to zero

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When the color depth is 24 bits per pixel video, the CD
field in General Control Packet should be "Color Depth
not indicated", then the colordepth in register vp_pr_cd
& csc_scale should assign to zero.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>

BUG=chrome-os-partner:38212
TEST=speedy board, Test with Agilent Technologies U4002A
     HDMI Protocal Analyzer

Change-Id: Ifd5767d339fdbff11e234ec0891c8f3df1dd66a5
Reviewed-on: https://chromium-review.googlesource.com/261850
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Yakir Yang <ykk@rock-chips.com>
Commit-Queue: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
This commit is contained in:
Yakir Yang
2015-03-23 10:44:12 +08:00
committed by Huang, Tao
parent df2235a1b1
commit 172e5e89c3
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/bridge/dw-hdmi.c
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@@ -923,7 +923,7 @@ static void hdmi_video_packetize(struct dw_hdmi *hdmi)
if (!hdmi_data->enc_color_depth) {
output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS;
} else if (hdmi_data->enc_color_depth == 8) {
color_depth = 4;
color_depth = 0;
output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS;
} else if (hdmi_data->enc_color_depth == 10) {
color_depth = 5;