kms: lvds panel strap moved again on maxwell

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
skeggsb · Oct 19, 2016 · 595ad41 · 595ad41
1 parent 1ce4977
commit 595ad41
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drm/nouveau/nouveau_bios.c b/drm/nouveau/nouveau_bios.c
@@ -333,6 +333,9 @@ get_fp_strap(struct drm_device *dev, struct nvbios *bios)
 	if (bios->major_version < 5 && bios->data[0x48] & 0x4)
 		return NVReadVgaCrtc5758(dev, 0, 0xf) & 0xf;
 
+	if (drm->device.info.family >= NV_DEVICE_INFO_V0_MAXWELL)
+		return nvif_rd32(device, 0x001800) & 0x0000000f;
+	else
 	if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
 		return (nvif_rd32(device, NV_PEXTDEV_BOOT_0) >> 24) & 0xf;
 	else