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drm/nouveau/mxm: handle DCB 4.1 modification

Allows MXM DCB modification to be handled on GM20x and newer boards.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-12-06 09:03:04 +10:00
parent 8ca99316fd
commit f6bf17391f

View File

@ -190,7 +190,7 @@ mxm_dcb_sanitise(struct nvkm_mxm *mxm)
struct nvkm_bios *bios = subdev->device->bios;
u8 ver, hdr, cnt, len;
u16 dcb = dcb_table(bios, &ver, &hdr, &cnt, &len);
if (dcb == 0x0000 || ver != 0x40) {
if (dcb == 0x0000 || (ver != 0x40 && ver != 0x41)) {
nvkm_debug(subdev, "unsupported DCB version\n");
return;
}