4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ben Skeggs <bske...@redhat.com>
commit 768e847759d551c96e129e194588dbfb11a1d576 upstream.
Signed-off-by: Ben Skeggs <bske...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/gpu/drm/nouveau/nouveau_bios.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -333,6 +333,9 @@ get_fp_strap(struct drm_device *dev, str
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
