[Intel-gfx] [Resend] [PATCH 0/3] use the sdvo device info parsed from VBT to initialize SDVO device

[yakui_zhao]

On Mon, 2009-06-08 at 10:18 +0800, yakui_zhao wrote:
> Hi, 
Hi, Carl
	How about this patch set?
	I also send the KMS version of patch set for this issue. And this patch
set is already shipped.
	
Thanks.
Yakui
>         The following is the patch set that use the SDVO device info
> parsed from general definition block to initialize the SDVO device.
>         It is to fix the following bug: 
>         http://bugs.freedesktop.org/show_bug.cgi?id=20429
> 
>         By parsing the general definition block of VBT we can get the
> relationship between the DVO port and slave address. For example: the
> SDVO wiring, the SDVO slave address. And then we use the info to
> initialize the SDVO device. If the slave address can obtained for SDVO
> port(SDVOB/SDVOC), it will be initialized correctly. If no slave address
> is found in the SDVO device info parsed from VBT, it will return the slave address 
> by using the following flowchart:
>         a. If the SDVO device info is found for another SDVO port, it will
> return the slave address that is not used. For example: if 0x70 is used, then
> 0x72 is returned. If 0x72 is used, 0x70 is returned.
>         b. If no SDVO device info is found for another SDVO port, it will
> return 0x70 for SDVOB and 0x72 for SDVOC.
>         
> 	Patch 01/3: Dynamically get the number of child device in general
> definition block
>         Patch 02/3: parse general definition block to get the SDVO
> device info.
>         Patch 03/3: Initialize the SDVO device based on the the sdvo
> device info parsed from general definition block
> 
> Welcome the comments.
> 
> Yakui
> 
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