[Openchrome-users] VM800: xv issues on Panel

[Thomas Hellström]

Martin J?rgens wrote:
> Hi!
> Do you have any remaining ideas how to fix the problem? I'd be really
> happy to see it fixed.
>
> By the way: In the VIA drivers, the problem does not appear, so maybe
> you can adopt something from there?
>
> Thanks for your efforts,
> Martin
>
>   
I'm pretty sure that the problem occurs because the panel is using the 
secondary head of the
chip, whereas the overlay code defaults to use only the first head.

There are some flags to switch the overlay over. Might have time to look 
into it later this week.
/Thomas



> On Sa, 2006-12-02 at 14:25 +0100, Martin J?rgens wrote:
>   
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>> Hi!
>> Sorry for the delay. I now had time to try the patch. Sadly, it does not
>> fix the xv issue for me.
>>
>> Martin
>>
>> Thomas Hellstr?m wrote:
>>     
>>> Thomas Hellstr?m wrote:
>>>
>>>       
>>>> Martin J?rgens wrote:
>>>>
>>>>  
>>>>
>>>>         
>>>>> I have the same issue with a VN800 chipset on Amilo Pro V2030.
>>>>>
>>>>> Martin
>>>>>
>>>>> Am Freitag, 17. November 2006 18:28 schrieb jdoe:
>>>>>
>>>>>
>>>>>   
>>>>>           
>>>>>> Re: VM800: xv issues on Panel
>>>>>> Ok, so I figured out the LCD-issue. In order to enable LCD you need
>>>>>> to add
>>>>>> video card to database. I've patched via_id.c:
>>>>>>
>>>>>> --- via_id.c    (revision 227)
>>>>>> +++ via_id.c    (working copy)
>>>>>> @@ -180,6 +180,7 @@
>>>>>>    {"Fujitsu/Siemens Amilo L7320",           VIA_VM800,   0x1734,
>>>>>> 0x10CD,
>>>>>> VIA_DEVICE_CRT | VIA_DEVICE_LCD}, {"ASRock
>>>>>> P4VM800",                       VIA_VM800,   0x1849, 0x3344,
>>>>>> VIA_DEVICE_CRT}, {"Asustek P5V800-MX",                  VIA_VM800,  
>>>>>> 0x3344, 0x1122, VIA_DEVICE_CRT}, +   {"Clevo/RoverBook Partner
>>>>>> E419L",         VIA_VM800,   0x1019, 0x0f75,
>>>>>> VIA_DEVICE_CRT | VIA_DEVICE_LCD}, /* keep this */
>>>>>>    {NULL,                                    VIA_UNKNOWN, 0x0000,
>>>>>> 0x0000,
>>>>>> VIA_DEVICE_NONE} };
>>>>>>
>>>>>> But still no luck with xv :(
>>>>>> Guy common throw me a bone here.
>>>>>>
>>>>>> ----
>>>>>>  
>>>>>>     
>>>>>>             
>>>> I might have a patch for you to test next week.
>>>>  
>>>>
>>>>         
>>> OK,
>>> Can anyone test the attached patch to see if it makes panel Xv work?
>>>
>>> /Thomas
>>>
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>> Index: unichrome/via_swov.c
>>> ===================================================================
>>> --- unichrome/via_swov.c	(revision 229)
>>> +++ unichrome/via_swov.c	(working copy)
>>> @@ -1396,18 +1396,18 @@
>>>  
>>>      /*SaveVideoRegister(pVia, V_COLOR_KEY, keyLow); */
>>>  
>>> -    if (videoFlag & VIDEO_1_INUSE) {
>>> +    if ((videoFlag & VIDEO_1_INUSE) || !pVia->HWDiff.dwSupportTwoColorKey) {
>>>  	SaveVideoRegister(pVia, V_COLOR_KEY, keyLow);
>>> +	SaveVideoRegister(pVia, SND_COLOR_KEY, keyLow);
>>>      } else {
>>> -	if (pVia->HWDiff.dwSupportTwoColorKey)	/*CLE_C0 */
>>>  	    SaveVideoRegister(pVia, V3_COLOR_KEY, keyLow);
>>>      }
>>>  
>>>      /*compose = (compose & ~0x0f) | SELECT_VIDEO_IF_COLOR_KEY; */
>>>      /*CLE_C0 */
>>>      compose =
>>> -	(compose & ~0x0f) | SELECT_VIDEO_IF_COLOR_KEY |
>>> -	SELECT_VIDEO3_IF_COLOR_KEY;
>>> +	(compose & ~0x0003000f) | SELECT_VIDEO_IF_COLOR_KEY |
>>> +	SELECT_VIDEO3_IF_COLOR_KEY | SECOND_DISPLAY_COLOR_KEY_ENABLE;
>>>      /*compose = (compose & ~0x0f)  ; */
>>>  
>>>      return compose;
>>> @@ -1437,10 +1437,8 @@
>>>      }
>>>  
>>>      /* Modified by Scottie[2001.12.5] for select video if (Color key & Chroma key) */
>>> -    if (compose == SELECT_VIDEO_IF_COLOR_KEY)
>>> -	compose = SELECT_VIDEO_IF_COLOR_KEY | SELECT_VIDEO_IF_CHROMA_KEY;
>>> -    else
>>> -	compose = (compose & ~0x0f) | SELECT_VIDEO_IF_CHROMA_KEY;
>>> +    
>>> +    compose |= SELECT_VIDEO_IF_CHROMA_KEY;
>>>  
>>>      return compose;
>>>  }
>>> @@ -1636,8 +1634,10 @@
>>>  	proReg = PRO_HQV1_OFFSET;
>>>  
>>>      compose = (VIDInD(V_COMPOSE_MODE) &
>>> -	~(SELECT_VIDEO_IF_COLOR_KEY | V1_COMMAND_FIRE | V3_COMMAND_FIRE)) |
>>> -	V_COMMAND_LOAD_VBI;
>>> +	       ~(SELECT_VIDEO_IF_COLOR_KEY | SECOND_DISPLAY_COLOR_KEY_ENABLE |
>>> +		 SELECT_VIDEO3_IF_COLOR_KEY | 
>>> +		 V1_COMMAND_FIRE | V3_COMMAND_FIRE)) |
>>> +      V_COMMAND_LOAD_VBI;
>>>  
>>>      DBG_DD(ErrorF("// Upd_Video:\n"));
>>>      DBG_DD(ErrorF("Modified rSrc  X (%ld,%ld) Y (%ld,%ld)\n",
>>>       
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