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drm/nouveau/bios: fix regression on some nv4x board

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We started using the connector table on nv4x a while back, and this VBIOS
has bad connector indices which causes the wrong encoders to get paired
with connectors.

Add a quirk to fix this...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-04-13 19:22:30 +10:00
parent 69964ea4c7
commit 5206b524c9
1 changed files with 7 additions and 3 deletions
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10
drivers/gpu/drm/nouveau/nouveau_bios.c
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@ -6156,10 +6156,14 @@ dcb_fake_connectors(struct nvbios *bios)
/* heuristic: if we ever get a non-zero connector field, assume
* that all the indices are valid and we don't need fake them.
*
* and, as usual, a blacklist of boards with bad bios data..
*/
for (i = 0; i < dcbt->entries; i++) {
if (dcbt->entry[i].connector)
return;
if (!nv_match_device(bios->dev, 0x0392, 0x107d, 0x20a2)) {
for (i = 0; i < dcbt->entries; i++) {
if (dcbt->entry[i].connector)
return;
}
}
/* no useful connector info available, we need to make it up