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authorBen Skeggs <bskeggs@redhat.com>2012-04-13 19:22:30 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-04-30 15:55:22 +1000
commit5206b524c9b4e289ab0565e7bffd503d2e671c6e (patch)
tree07c03ff6cfae8fabb49ef90966870f8ba19ef1ee
parent69964ea4c7b68c9399f7977aa5b9aa6539a6a98a (diff)
downloadop-kernel-dev-5206b524c9b4e289ab0565e7bffd503d2e671c6e.zip
op-kernel-dev-5206b524c9b4e289ab0565e7bffd503d2e671c6e.tar.gz
drm/nouveau/bios: fix regression on some nv4x board
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>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 80963d0..0be4a81 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -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
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