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Commit 5206b524 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

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: default avatarBen Skeggs <bskeggs@redhat.com>
parent 69964ea4

drivers/gpu/drm/nouveau/nouveau_bios.c

+7 −3
Original line number Diff line number Diff line
@@ -6156,11 +6156,15 @@ 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..

	 */

	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

	 * ourselves.  the rule here is: anything on the same i2c bus