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drm/nouveau/kms: lvds panel strap moved again on maxwell

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Ben Skeggs 2016-10-19 12:15:52 +10:00
parent 4d98773081
commit 768e847759
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/nouveau/nouveau_bios.c
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@ -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