|
ubuntu系统的hdmi显示应该是由hdmi_x4412来完成的。
启动后会启动一个守护进程hdmi_x4412来监视hdmi接口是否有hdmi显示设备接入。
如果有的话,会显示如下打印信息。
下面第三行冒号后面的STD_720P就是uboot环境变量里传过来的。
但是现在屏幕上显示一片绿色。
hdmi_x4412
hdmi cable inserted
HdmiResolutionValueStdIdGet : STD_720P
SecHdmi mHdmiOutputMode: 0
SecHdmi mHdmiResolutionValue: 4809602
SecHdmi mHdmiStdId: 0
setHdmiStatus 1 mHdmiCableInserted: 0
connect mhdmiFlagCreate: 1,mFlagConnected: 0,mFlagHdmiThreadRun: 0
connect::m_flagHWConnected() fail
=============== HDMI Audio =============
========= HDMI Mode & Color Space =======
= 1. HDMI(YCbCr) =
= 2. HDMI(RGB) =
=========== x210 HDMI Rseolution ========
= 4. 480P_60_16_9 (0x04000000) =
= 5. 480P_60_4_3 (0x05000000) =
= 6. 576P_50_16_9 (0x06000000) =
= 7. 576P_50_4_3 (0x07000000) =
= 8. 720P_60 (0x08000000) =
= 9. 720P_50 (0x09000000) =
= a. 1080P_60 (0x0a000000) =
= b. 1080P_50 (0x0b000000) =
= c. 1080I_60 (0x0c000000) =
= d. 1080I_50 (0x0d000000) =
= i. 1080P_30 (0x12000000) =
=========================================
hdmi tfvalue: 10x10n
top value: 10, 10
left value: 10, 10
HdmiFullGet : top: 10, left: 10
hdmi set width: 700, height: 460, left: 10, top: 10
m_reset return |
|