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HDMI输出通过HDMI转DVI转换器无输出
本帖最后由 kenzhang1031 于 2018-6-13 17:43 编辑
HDMI输出直接接HDMI显示器是好的。通过“HDMI转DVI转换器”接监视器,有2个牌子的监视器无输出,有2个牌子的监视器有输出,但是同一个转换器和监视器接电脑的HDMI输出,4个牌子的监视器都是好的。
因此不能说是转换器和监视器的问题。
修改程序,强制转成DVI输出,结果也是一样的,谁提供个怎么处理的思路?可能是那里引起的?HDMI输出和DVI输出时,cat /proc/umap/hdmi的信息分别如下:
HDMI输出的:
[code]-----MODULE PARAM--------------------------------------------------------------
ConstraintOut
0
-----HDMI STATE----------------------------------------------------------------
DevId Open Start Event
0 y y HOT PLUG
########### Hisi HDMI Dev Stat ###########
HPD Status: IN
TV: Power On
EDID Parse Status: Fail
TV ManufactureName:
HDMI Sink video capability :
TV support: 1080P_60
TV support: 1080P_50
TV support: 1080P_30
TV support: 1080P_25
TV support: 1080P_24
TV support: 1080i_60
TV support: 1080i_50
TV support: 720P_60
TV support: 720P_50
TV support: 576P_50
TV support: 480P_60
TV support: 576i_50
TV support: 480i_60
TV support: 640X480_60
CEC Status: OFF
HDMI Output Attribute:
HDCP Encryption: OFF
HDMI PHY Output: Enable
Video Output: Enable
Video Format: 1080P_60
Video Output mode: YCbCr444
Video DeepColor mode: off
Audio Output: Disable
Audio input format: I2S
Audio sample rate: 0Hz
HDMI Mode: HDMI
AVI Infoframe: Enable
AUD Infoframe: Enable
MPG/VendorSpec Infoframe: Disable
Gamut Metadata Packet: Disable
Generic Packet Packet: Disable
AVMUTE: Disable
AVI Inforframe:
0x82,0x02,0x0d,0x67,0x50,0xa8,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
AUD Inforframe:
0x84,0x01,0x0a,0x70,0x01,0x00,0x00,0x00,0x00,
#################### END ##################
[/code]
DVI输出的:
[code]-----MODULE PARAM--------------------------------------------------------------
ConstraintOut
0
-----HDMI STATE----------------------------------------------------------------
DevId Open Start Event
0 y n HOT PLUG
########### Hisi HDMI Dev Stat ###########
HPD Status: IN
TV: Power On
EDID Parse Status: Ok
TV ManufactureName: VSC
HDMI Sink video capability :
TV support: 1080P_60
TV support: 1080P_50
TV support: 1080P_30
TV support: 1080P_25
TV support: 1080P_24
TV support: 1080i_60
TV support: 1080i_50
TV support: 720P_60
TV support: 720P_50
TV support: 576P_50
TV support: 480P_60
TV support: 576i_50
TV support: 480i_60
TV support: 640X480_60
CEC Status: OFF
HDMI Output Attribute:
HDCP Encryption: OFF
HDMI PHY Output: Disable
Video Output: Enable
Video Format: 1080P_60
Video Output mode: RGB444
Video DeepColor mode: 24bit
Audio Output: Disable
Audio input format: I2S
Audio sample rate: 0Hz
HDMI Mode: DVI
EDID Raw Data:
00 ff ff ff ff ff ff 00 5a 63 32 a4 01 01 01 01
0b 1b 01 03 80 35 1e 78 2e 21 95 a7 56 52 9c 26
10 50 54 bf ef 80 b3 00 a9 40 a9 c0 90 40 81 80
81 40 81 c0 01 01 02 3a 80 18 71 38 2d 40 58 2c
45 00 0f 28 21 00 00 1e 00 00 00 ff 00 55 4d 57
31 37 31 31 34 30 36 34 33 0a 00 00 00 fd 00 32
4b 18 52 12 00 0a 20 20 20 20 20 20 00 00 00 fc
00 56 41 32 34 34 39 20 53 65 72 69 65 73 00 a2
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
#################### END ##################
[/code]
HDMI输出直接接HDMI显示器是好的。通过“HDMI转DVI转换器”接监视器,有2个牌子的监视器无输出,有2个牌子的监视器有输出,但是同一个转换器和监视器接电脑的HDMI输出,4个牌子的监视器都是好的。
因此不能说是转换器和监视器的问题。
修改程序,强制转成DVI输出,结果也是一样的,谁提供个怎么处理的思路?可能是那里引起的?HDMI输出和DVI输出时,cat /proc/umap/hdmi的信息分别如下:
HDMI输出的:
[code]-----MODULE PARAM--------------------------------------------------------------
ConstraintOut
0
-----HDMI STATE----------------------------------------------------------------
DevId Open Start Event
0 y y HOT PLUG
########### Hisi HDMI Dev Stat ###########
HPD Status: IN
TV: Power On
EDID Parse Status: Fail
TV ManufactureName:
HDMI Sink video capability :
TV support: 1080P_60
TV support: 1080P_50
TV support: 1080P_30
TV support: 1080P_25
TV support: 1080P_24
TV support: 1080i_60
TV support: 1080i_50
TV support: 720P_60
TV support: 720P_50
TV support: 576P_50
TV support: 480P_60
TV support: 576i_50
TV support: 480i_60
TV support: 640X480_60
CEC Status: OFF
HDMI Output Attribute:
HDCP Encryption: OFF
HDMI PHY Output: Enable
Video Output: Enable
Video Format: 1080P_60
Video Output mode: YCbCr444
Video DeepColor mode: off
Audio Output: Disable
Audio input format: I2S
Audio sample rate: 0Hz
HDMI Mode: HDMI
AVI Infoframe: Enable
AUD Infoframe: Enable
MPG/VendorSpec Infoframe: Disable
Gamut Metadata Packet: Disable
Generic Packet Packet: Disable
AVMUTE: Disable
AVI Inforframe:
0x82,0x02,0x0d,0x67,0x50,0xa8,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
AUD Inforframe:
0x84,0x01,0x0a,0x70,0x01,0x00,0x00,0x00,0x00,
#################### END ##################
[/code]
DVI输出的:
[code]-----MODULE PARAM--------------------------------------------------------------
ConstraintOut
0
-----HDMI STATE----------------------------------------------------------------
DevId Open Start Event
0 y n HOT PLUG
########### Hisi HDMI Dev Stat ###########
HPD Status: IN
TV: Power On
EDID Parse Status: Ok
TV ManufactureName: VSC
HDMI Sink video capability :
TV support: 1080P_60
TV support: 1080P_50
TV support: 1080P_30
TV support: 1080P_25
TV support: 1080P_24
TV support: 1080i_60
TV support: 1080i_50
TV support: 720P_60
TV support: 720P_50
TV support: 576P_50
TV support: 480P_60
TV support: 576i_50
TV support: 480i_60
TV support: 640X480_60
CEC Status: OFF
HDMI Output Attribute:
HDCP Encryption: OFF
HDMI PHY Output: Disable
Video Output: Enable
Video Format: 1080P_60
Video Output mode: RGB444
Video DeepColor mode: 24bit
Audio Output: Disable
Audio input format: I2S
Audio sample rate: 0Hz
HDMI Mode: DVI
EDID Raw Data:
00 ff ff ff ff ff ff 00 5a 63 32 a4 01 01 01 01
0b 1b 01 03 80 35 1e 78 2e 21 95 a7 56 52 9c 26
10 50 54 bf ef 80 b3 00 a9 40 a9 c0 90 40 81 80
81 40 81 c0 01 01 02 3a 80 18 71 38 2d 40 58 2c
45 00 0f 28 21 00 00 1e 00 00 00 ff 00 55 4d 57
31 37 31 31 34 30 36 34 33 0a 00 00 00 fd 00 32
4b 18 52 12 00 0a 20 20 20 20 20 20 00 00 00 fc
00 56 41 32 34 34 39 20 53 65 72 69 65 73 00 a2
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
#################### END ##################
[/code]
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