xf86-video-intel 1.9.94: (WW) intel(0): Hardware claims plane A is off while software believes it is on

[Barry Scott]

Wang Zhenyu wrote:
> On 2007.04.16 13:50:24 +0000, Barry Scott wrote:
>   
>> Wang Zhenyu wrote:
>>     
>>> On 2007.04.12 17:25:53 +0000, Barry Scott wrote:
>>>  
>>>       
>>>> I'm testing Xorg 7.2 + updated modules needed to support intel 1.9.94
>>>> running on 2.6.20 linux kernel with its drm drivers.
>>>>
>>>> I'm not seeing anything on the screen, the LCD has gone into screen 
>>>> saver mode.
>>>> However apps are happy running and I can get a screen snap shot that shows
>>>> what I expect on the screen.
>>>>
>>>> How can I help debug this situation?
>>>>
>>>> The config and full log are available here:
>>>>
>>>> http://www.onelan.co.uk/xorg-tmp/945.conf
>>>> http://www.onelan.co.uk/xorg-tmp/xserver-945.log
>>>>    
>>>>         
>>> Try to comment "NoDDC" in your conf. 
>>>  
>>>       
>> I've commented out the NoDDC and LinearAlloc
>> and I still get nothing on the screen.
>>     
>>>  
>>>       
>> Can you comment on this (WW) which is describing the problem I see 
>> perfectly:
>>
>> (II) intel(0): Output configuration:
>> (II) intel(0):   Pipe A is on
>> (II) intel(0):   Display plane A is now enabled and connected to pipe A.
>> (WW) intel(0):   Hardware claims plane A is off while software believes it 
>> is on
>> (II) intel(0):   Pipe B is off
>> (II) intel(0):   Display plane B is now disabled and connected to pipe B.
>> (II) intel(0):   Output VGA is connected to pipe none
>>
>>     
>
> yes, that may be the problem. Sorry I don't know why, Keith or Eric may have
> idea on this. 
>   
>> Why isn't the VGA output connected?
>>
>>     
With your fix for the LinearAlloc crash the i965 also shows up this 
problem now.

Barry