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Visitor
Visitor
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Registered: ‎08-13-2008

VGA problem on the linux2.6

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Hi,

  The Linux 2.6.24 kernel's Xilinx Framebuffer driver and/or the Xilinx   PLB TFT Controller IP block (plb_tft_cntlr_ref_v1_00_d) does not appear to centre the display on a VGA screen properly(vertically offset).

  Why ,this happen?

  regards

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Visitor
Visitor
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Registered: ‎08-13-2008

Re: VGA problem on the linux2.6

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Hi , for 4 days ,i corrected the ip 's bug . Thanks for your help . The solution is here http://www.openhard.org/myspace/blog/show_155462.html 
Message Edited by snakke on 08-31-2008 08:57 AM

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Historian
Historian
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Registered: ‎02-25-2008

Re: VGA problem on the linux2.6

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snakke wrote:

Hi,

  The Linux 2.6.24 kernel's Xilinx Framebuffer driver and/or the Xilinx   PLB TFT Controller IP block (plb_tft_cntlr_ref_v1_00_d) does not appear to centre the display on a VGA screen properly(vertically offset).

  Why ,this happen?

  regards


Vertical sync is not correct?

 

Wrong number of lines in the display?

 

-a

----------------------------Yes, I do this for a living.
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Visitor
Visitor
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Registered: ‎08-13-2008

Re: VGA problem on the linux2.6

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Yes,Vertical sync is not correct. How to slove this problem ? thanks

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Historian
Historian
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Registered: ‎02-25-2008

Re: VGA problem on the linux2.6

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snakke wrote:

Yes,Vertical sync is not correct. How to slove this problem ? thanks


If it's a bug in the Xilinx core, open a web case.

 

-a

----------------------------Yes, I do this for a living.
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Visitor
Visitor
10,317 Views
Registered: ‎08-13-2008

Re: VGA problem on the linux2.6

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Hi , for 4 days ,i corrected the ip 's bug . Thanks for your help . The solution is here http://www.openhard.org/myspace/blog/show_155462.html 
Message Edited by snakke on 08-31-2008 08:57 AM

View solution in original post

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Xilinx Employee
Xilinx Employee
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Registered: ‎08-01-2007

Re: VGA problem on the linux2.6

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Thanks for letting us know your solution.
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