ATI 6.7.192 Dual-Head

[Alex Deucher]

On 9/20/07, Red Neck <kcender07 at yahoo.co.uk> wrote:
> Alex,
>
> Have just patched 6.7.193 with your suggestions below and tested.  The second LCD now displays an image which I can manipulate to do Dual Head as before.  Thanks very much, very much appreciated!
>
> Looking forward to seeing a new release of the ATI Driver module.
>

Excellent.  I'll commit it tonight.  Thanks for testing.

Alex

> Rob
>
> ------------------
>
> (I'm adding Mikhail too as this may help him out as well)
>
> I think I may have figured out the problem.  I'll update git tonight.
> if you want to try, change the following in radeon_display.c:
>
> so this:
>      } else if (radeon_output->TMDSType == TMDS_EXT) {
>     tmp = INREG(RADEON_FP2_GEN_CNTL);
>     tmp |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
>     OUTREG(RADEON_FP2_GEN_CNTL, tmp);
>     save->fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
>     }
>
> would become:
>      } else if (radeon_output->TMDSType == TMDS_EXT) {
>     tmp = INREG(RADEON_FP2_GEN_CNTL);
>     tmp |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
>         tmp &= ~(RADEON_FP2_BLANK_EN);
>     OUTREG(RADEON_FP2_GEN_CNTL, tmp);
>     save->fp2_gen_cntl |= (RADEON_FP2_ON | RADEON_FP2_DVO_EN);
>         save->fp2_gen_cntl &= ~(RADEON_FP2_BLANK_EN);
>     }
>
> there may be other magic bits in fp2_gen_cntl we need to set, but we
> can sort that out later if this doesn't work.
>
> Alex
>
>
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>
>
>
>
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