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en:c2_forcergb [2016/12/15 16:39]
joy.cho [How to set boot.ini to activate forcergb]
en:c2_forcergb [2016/12/20 07:46] (current)
joy.cho [HDMI Force RGB Option]
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 ========= HDMI Force RGB Option ======= ========= HDMI Force RGB Option =======
- +<WRAP center round important>​ 
 +  * Ubuntu : The available version should be the one released after Jun 20, 2016. 
 +  * Android : Android Marshmallow v1.2 (Dec 19, 2016) or higher version is available. 
 +</​WRAP>​
  
 ===== Issue Brief ===== ===== Issue Brief =====
  
 With some TV monitors, there is a bug in their HDMI implementation that sometimes trigger the selection of the wrong colorspace in a magenta/​green display.\\ With some TV monitors, there is a bug in their HDMI implementation that sometimes trigger the selection of the wrong colorspace in a magenta/​green display.\\
 +
 +{{:​en:​c2_forcergb_1.png?​600}} \\
 +http://​forum.odroid.com/​viewtopic.php?​f=141&​t=20697#​p137351
 +
 It looks TV reports that is capable of YUV422 or YUV444 but it's not indeed.\\ It looks TV reports that is capable of YUV422 or YUV444 but it's not indeed.\\
-To avoid this situation, you can use **forcergb** option to set COLORSPACE_SPACE_RGB444 ​forcely.+To avoid this situation, you can use **forcergb** option to set COLORSPACE_SPACE_RGB444 ​forcibly.
  
-Here are the more investigations and discussions in ODROID Forum.+Here are more investigations and discussions in ODROID Forum.
   * http://​forum.odroid.com/​viewtopic.php?​f=144&​t=21780&​hilit=forcergb   * http://​forum.odroid.com/​viewtopic.php?​f=144&​t=21780&​hilit=forcergb
   * http://​forum.odroid.com/​viewtopic.php?​f=141&​t=21737   * http://​forum.odroid.com/​viewtopic.php?​f=141&​t=21737
   * http://​forum.odroid.com/​viewtopic.php?​f=144&​t=20415&​p=145208#​p145208   * http://​forum.odroid.com/​viewtopic.php?​f=144&​t=20415&​p=145208#​p145208
  
-{{:​en:​c2_forcergb_1.png?​600}} 
-http://​forum.odroid.com/​viewtopic.php?​f=141&​t=20697#​p137351 
 ===== How to set boot.ini to activate forcergb ===== ===== How to set boot.ini to activate forcergb =====
 To activate it, add **hdmitx=forcergb** in bootargs. To activate it, add **hdmitx=forcergb** in bootargs.
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 If you use CEC options, the env format can be **hdmitx=cecf,​forcergb** or **hdmitx=cec0,​forcergb**.\\ If you use CEC options, the env format can be **hdmitx=cecf,​forcergb** or **hdmitx=cec0,​forcergb**.\\
  
-The ODROID Forum user, wrxtasy already implemented a good guide for this case.\\+The ODROID Forum user, wrxtasy ​from LibreELEC ​already implemented a good guide for this case.\\
  
 https://​github.com/​wrxtasy/​LibreELEC.tv.7.0/​blob/​libreelec-7.1/​projects/​Odroid_C2/​bootloader/​boot.ini https://​github.com/​wrxtasy/​LibreELEC.tv.7.0/​blob/​libreelec-7.1/​projects/​Odroid_C2/​bootloader/​boot.ini
en/c2_forcergb.1481789383.txt.gz · Last modified: 2016/12/15 16:39 by joy.cho
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