* Vesafb - need double framebuffer
@ 2011-05-03 8:05 suman
2011-05-03 8:52 ` Alan Cox
0 siblings, 1 reply; 2+ messages in thread
From: suman @ 2011-05-03 8:05 UTC (permalink / raw)
To: kraxel, linux-kernel, sankar.r
Dear Mr Kraxel,
I want to inquire about the vesafb driver, which provides only one
device node that is /dev/fb0.
I am trying to develop a qt UI for this i need to have another
framebuffer /dev/fb1, how can i add one more fb, should i use
framebuffer_alloc function to allocate a new frame buffer. Do you have
any patch for providing two frame buffers in case of vesafb driver. I
have tried on net and i failed to find any suitable patch for the
same.
--
Rgds
Vijayendra Suman
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Vesafb - need double framebuffer
2011-05-03 8:05 Vesafb - need double framebuffer suman
@ 2011-05-03 8:52 ` Alan Cox
0 siblings, 0 replies; 2+ messages in thread
From: Alan Cox @ 2011-05-03 8:52 UTC (permalink / raw)
To: suman; +Cc: kraxel, linux-kernel, sankar.r
> I am trying to develop a qt UI for this i need to have another
> framebuffer /dev/fb1, how can i add one more fb, should i use
> framebuffer_alloc function to allocate a new frame buffer. Do you have
> any patch for providing two frame buffers in case of vesafb driver. I
> have tried on net and i failed to find any suitable patch for the
VESA only supports the BIOS initialized framebuffer on a PC - you need a
frame buffer or KMS capable interface specific to whatever chipset you
are using that can initialize the chipset from boot.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-05-03 8:05 Vesafb - need double framebuffer suman
2011-05-03 8:52 ` Alan Cox
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