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RK3288: hdmi: configure display output mode with EDID information

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'edid->hdmi_monitor_detected' would indicate whether the monitor
interface is HDMI or DVI.

BRANCH=none
BUG=chrome-os-partner:43789
TEST=Previously, my LG monitor couldn't show dev screen. But now I can see
     dev screen have been posted normally.

Change-Id: I157861d327926b834e1e8606b0b676f413491c70
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/309370
Reviewed-by: Agnes Cheng <agnescheng@google.com>
Commit-Queue: Agnes Cheng <agnescheng@google.com>
Trybot-Ready: Agnes Cheng <agnescheng@google.com>
Tested-by: Agnes Cheng <agnescheng@google.com>
This commit is contained in:
Yakir Yang 2015-10-27 16:40:08 +08:00 • committed by Agnes Cheng
commit 582d2451fe
1 changed files with 3 additions and 4 deletions
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7
src/soc/rockchip/rk3288/hdmi.c
View file

@ -488,7 +488,6 @@ static int hdmi_phy_init(u32 mpixelclock)
static void hdmi_av_composer(const struct edid *edid)
{
u8 mdataenablepolarity = 1;
u8 mdvi = 0;
u8 inv_val;
/* set up hdmi_fc_invidconf */
@ -506,9 +505,9 @@ static void hdmi_av_composer(const struct edid *edid)
HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH :
HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW);
inv_val |= (mdvi ?
HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE :
HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE);
inv_val |= (edid->hdmi_monitor_detected ?
HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE :
HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE);
inv_val |= HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW;