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en:vu8_update_edid [2016/12/16 09:50] joy.cho [How to Check and Update VU8C EDID] |
en:vu8_update_edid [2017/03/21 13:57] (current) joy.cho [Write EDID binary] |
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| - | ====== How to Check and Update VU8C EDID ====== | + | ====== How to Check and Write VU8C EDID ====== |
| <WRAP center round important> | <WRAP center round important> | ||
| - | This wiki is a guide only for the uses who want to use ODROID-VU8C with OTHER products except ODROID-C1+/C2.\\ | + | * This wiki is a guide only for the uses who want to use ODROID-VU8C **with OTHER products except ODROID-C1+/C2**. |
| - | And most of cases, EDID data is already written on VU8C eeprom normally so you don't need to update EDID data by force.\\ | + | * On our production line, EDID data is already written on VU8C eeprom, so normally, you don't need to update EDID data by force. |
| + | </WRAP> | ||
| + | |||
| + | <WRAP center round important> | ||
| + | * If it seems VU8C is not detected normally from the host, first check the EDID status as described in the following section, 'How to check EDID status', then try the update steps. | ||
| + | * Before the update process, please make sure which display path is connected to VU8C via HDMI. | ||
| </WRAP> | </WRAP> | ||
| Line 73: | Line 78: | ||
| Please download source codes from the github and build it. | Please download source codes from the github and build it. | ||
| <code> | <code> | ||
| + | # sudo apt-get install git | ||
| # git clone https://github.com/bulletmark/edid-rw | # git clone https://github.com/bulletmark/edid-rw | ||
| # cd edid-rw | # cd edid-rw | ||
| Line 85: | Line 91: | ||
| </code> | </code> | ||
| - | Here is an example. | + | Here is an example.\\ |
| + | If it works normally, you can the information as below.\\ | ||
| + | If not so, all of data patterns are shown as 0's sequence\\ | ||
| + | and no timing and clock description is listed. | ||
| <code> | <code> | ||
| $ sudo ./edid-rw 4 | edid-decode | $ sudo ./edid-rw 4 | edid-decode | ||
| Extracted contents: | Extracted contents: | ||
| header: 00 ff ff ff ff ff ff 00 | header: 00 ff ff ff ff ff ff 00 | ||
| - | serial number: 21 6c 30 00 01 00 00 00 0a 14 | + | serial number: 21 6c 00 00 00 00 00 00 0c 1b |
| version: 01 03 | version: 01 03 | ||
| - | basic params: 80 10 0c 78 0a | + | basic params: 6d 23 1a 78 ea |
| - | chroma info: cf 74 a3 57 4c b0 23 09 48 4c | + | chroma info: 5e c0 a4 59 4a 98 25 20 50 54 |
| - | established: 21 08 00 | + | established: 00 08 00 |
| - | standard: 61 40 45 40 61 40 95 00 01 01 01 01 01 01 01 01 | + | standard: 61 40 01 01 01 01 01 01 01 01 01 01 01 01 01 01 |
| - | descriptor 1: 64 19 00 22 41 00 26 30 14 0a 44 00 a0 78 00 00 00 1e | + | descriptor 1: 64 19 00 40 41 00 26 30 08 90 36 00 63 0a 11 00 00 18 |
| - | descriptor 2: 64 19 80 22 41 00 26 30 14 0a 44 00 a0 78 00 00 00 9e | + | descriptor 2: 00 00 00 ff 00 4c 69 6e 75 78 20 23 30 0a 20 20 20 20 |
| - | descriptor 3: 00 00 00 fc 00 4d 53 74 61 72 20 44 65 6d 6f 0a 20 20 | + | descriptor 3: 00 00 00 fd 00 3b 3d 2f 31 07 00 0a 20 20 20 20 20 20 |
| - | descriptor 4: 00 00 00 fd 00 32 4b 1e 50 12 00 0a 20 20 20 20 20 20 | + | descriptor 4: 00 00 00 fc 00 48 4b 5f 56 55 38 43 0a 20 20 20 20 20 |
| extensions: 00 | extensions: 00 | ||
| - | checksum: 50 | + | checksum: 7d |
| - | Manufacturer: HKL Model 30 Serial Number 1 | + | Manufacturer: HKL Model 0 Serial Number 0 |
| - | Made week 10 of 2010 | + | Made week 12 of 2017 |
| EDID version: 1.3 | EDID version: 1.3 | ||
| - | Digital display | + | Analog display, Input voltage level: 0.7/0.7 V |
| - | Maximum image size: 16 cm x 12 cm | + | Sync: Separate Composite Serration |
| + | Maximum image size: 35 cm x 26 cm | ||
| Gamma: 2.20 | Gamma: 2.20 | ||
| - | Supported color formats: RGB 4:4:4, YCrCb 4:2:2 | + | DPMS levels: Standby Suspend Off |
| + | RGB color display | ||
| First detailed timing is preferred timing | First detailed timing is preferred timing | ||
| Established timings supported: | Established timings supported: | ||
| - | 640x480@60Hz | ||
| - | 800x600@60Hz | ||
| 1024x768@60Hz | 1024x768@60Hz | ||
| Standard timings supported: | Standard timings supported: | ||
| 1024x768@60Hz | 1024x768@60Hz | ||
| - | 800x600@60Hz | + | Detailed mode: Clock 65.000 MHz, 355 mm x 266 mm |
| - | 1024x768@60Hz | + | 1024 1032 1176 1344 hborder 0 |
| - | 1440x900@60Hz | + | 768 771 777 806 vborder 0 |
| - | Detailed mode: Clock 65.000 MHz, 160 mm x 120 mm | + | -hsync -vsync |
| - | 1024 1044 1054 1314 hborder 0 | + | Serial number: Linux #0 |
| - | 768 772 776 806 vborder 0 | + | Monitor ranges: 59-61HZ vertical, 47-49kHz horizontal, max dotclock 70MHz |
| - | +hsync +vsync | + | Monitor name: HK_VU8C |
| - | Detailed mode: Clock 65.000 MHz, 160 mm x 120 mm | + | Checksum: 0x7d |
| - | 1152 1172 1182 1442 hborder 0 | + | |
| - | 768 772 776 806 vborder 0 | + | |
| - | +hsync +vsync interlaced | + | |
| - | Monitor name: MStar Demo | + | |
| - | Monitor ranges: 50-75HZ vertical, 30-80kHz horizontal, max dotclock 180MHz | + | |
| - | Checksum: 0x50 | + | |
| </code> | </code> | ||
| - | |||
| ==== Write EDID binary ==== | ==== Write EDID binary ==== | ||
| Line 146: | Line 148: | ||
| </code> | </code> | ||
| + | <WRAP left round tip 70%> | ||
| + | We're preparing to release a new edid data binary by adjusting detailed timing to fix ODROID-C2 display auto detection issue. | ||
| + | </WRAP> | ||
| == Write EDID binary and Check result == | == Write EDID binary and Check result == | ||
