On 14/03/2017 23:24, Xavier Bachelot wrote:
> Hi Kevin,
>
> On 14/03/2017 22:33, Kevin Brace wrote:
>> Hi Xavier,
>>
>> Okay, at least some progress.
>> I was guessing that LVDS1 was still at IGA1, so switching to IGA2 will
>> correct the problem, but I guess there were still some missing pieces.
>> Based on what you reported, I wrote a patch that should now correctly
>> initialize LVDS1 for VX855 and VX900 chipsets.
>> It appears that these only have one LVDS channel as opposed to CX700/VX700
>> and VX800 chipsets which appear to have two LVDS channels, to which one of
>> them can be used as DVI.
>> I hope the patch works.
>>
> Thanks for the patch. It may or may not work, I can't tell, as both LVDS
> channels are powered down and thus the screen is black.
> I've attached the X log and regs dump.
>
I guess that explains :
via_fp.c: In function ‘via_lvds_mode_set’:
via_fp.c:1300:13: warning: implicit declaration of function
‘viaLVDS1SetDithering’ [-Wimplicit-function-declaration]
viaLVDS1SetDithering(pScrn, Panel->useDithering ? TRUE :
FALSE);
^~~~~~~~~~~~~~~~~~~~
via_fp.c:1303:13: warning: implicit declaration of function
‘viaLVDS1SetOutputFormat’ [-Wimplicit-function-declaration]
viaLVDS1SetOutputFormat(pScrn, 0x01);
^~~~~~~~~~~~~~~~~~~~~~~
Xavier
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