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rk30 hdmi:

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1. Need not take tmds_clk pull up to 3.3V as a hdmi connection condition.
	2. When parse unkown edid extensions, return false and set it as a hdmi sink.
This commit is contained in:
Zheng Yang
2012-08-16 17:45:11 +08:00
parent b514287dc9
commit ab49eaa2e0
2 changed files with 13 additions and 2 deletions
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4
drivers/video/rockchip/hdmi/rk30_hdmi_edid.c
View File

@@ -345,8 +345,8 @@ static int hdmi_edid_parse_extensions(unsigned char *buf, struct hdmi_edid *pedi
hdmi_edid_debug("[EDID-EXTEND] It is a Digital Packet Video Link Extension.\n");
break;
default:
hdmi_edid_debug("[EDID-EXTEND] Unkowned extension.\n");
break;
hdmi_edid_error("[EDID-EXTEND] Unkowned extension.\n");
return E_HDMI_EDID_UNKOWNDATA;
}
return E_HDMI_EDID_SUCCESS;

11
drivers/video/rockchip/hdmi/rk30_hdmi_hw.c
View File

@@ -61,6 +61,8 @@ int rk30_hdmi_detect_hotplug(void)
int value = HDMIRdReg(HPD_MENS_STA);
hdmi_dbg(hdmi->dev, "[%s] value %02x\n", __FUNCTION__, value);
#if 0
// When HPD and TMDS_CLK was high, HDMI is actived.
value &= m_HOTPLUG_STATUS | m_MSEN_STATUS;
if(value == (m_HOTPLUG_STATUS | m_MSEN_STATUS) )
return HDMI_HPD_ACTIVED;
@@ -68,6 +70,15 @@ int rk30_hdmi_detect_hotplug(void)
return HDMI_HPD_INSERT;
else
return HDMI_HPD_REMOVED;
#else
// When HPD was high, HDMI is actived.
if(value & m_HOTPLUG_STATUS)
return HDMI_HPD_ACTIVED;
else if(value & m_MSEN_STATUS)
return HDMI_HPD_INSERT;
else
return HDMI_HPD_REMOVED;
#endif
}
#define HDMI_EDID_DDC_CLK 90000