[Openchrome-devel] openchrome 0.6.0 regressions on VX900 laptop

[Kevin Brace]

Hi Xavier,

Sorry for the implicit function death traps.
I fixed the problem, and the second version patch should not have the issue.

Regards,

Kevin Brace
The OpenChrome Project maintainer / developer


> Sent: Tuesday, March 14, 2017 at 3:53 PM
> From: "Xavier Bachelot" <xavier at bachelot.org>
> To: "Kevin Brace" <kevinbrace at gmx.com>, openchrome-devel at lists.freedesktop.org
> Subject: Re: [Openchrome-devel] openchrome 0.6.0 regressions on VX900 laptop
>
> 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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