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drm/nouveau: remove quirk to fabricate DVI-A output on DCB 1.5 boards

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There's a report of this quirk breaking modesetting on at least one board.
After discussion with Francisco Jerez, we've decided to remove it:

<darktama> it's not worth limiting the quirk to just where we know it can
           work?  i'm happy either way really :)
<curro> hmm, don't think so, most if not all DCB15 cards have just one DAC
<curro> and with that quirk there's no way to tell if the load comes from
        the VGA or DVI port

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Ben Skeggs 2010-07-15 11:25:55 +10:00
parent 734ee8357a
commit 03639b5038
1 changed files with 0 additions and 7 deletions
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7
drivers/gpu/drm/nouveau/nouveau_bios.c
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@ -5739,13 +5739,6 @@ parse_dcb15_entry(struct drm_device *dev, struct dcb_table *dcb,
case OUTPUT_TV:
entry->tvconf.has_component_output = false;
break;
case OUTPUT_TMDS:
/*
* Invent a DVI-A output, by copying the fields of the DVI-D
* output; reported to work by math_b on an NV20(!).
*/
fabricate_vga_output(dcb, entry->i2c_index, entry->heads);
break;
case OUTPUT_LVDS:
if ((conn & 0x00003f00) != 0x10)
entry->lvdsconf.use_straps_for_mode = true;