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drm/nouveau/mxm: handle DCB 4.1 modification

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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
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/nouveau/nvkm/subdev/mxm/nv50.c
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@ -190,7 +190,7 @@ mxm_dcb_sanitise(struct nvkm_mxm *mxm)
struct nvkm_bios *bios = subdev->device->bios; struct nvkm_bios *bios = subdev->device->bios;
u8 ver, hdr, cnt, len; u8 ver, hdr, cnt, len;
u16 dcb = dcb_table(bios, &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"); nvkm_debug(subdev, "unsupported DCB version\n");
return; return;
} }