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Commit f706037c authored by Karol Herbst's avatar Karol Herbst Committed by Ben Skeggs
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drm/nouveau/bios/vpstate: There are some fermi vbios with no boost or tdp entry 



If the entry size is too small, default to invalid values for both
boost_id and tdp_id, so as to default to the base clock in both cases.

Signed-off-by: default avatarKarol Herbst <karolherbst@gmail.com>
Signed-off-by: default avatarMartin Peres <martin.peres@free.fr>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 2ae4c5f6

drivers/gpu/drm/nouveau/nvkm/subdev/bios/vpstate.c

+8 −2
Original line number Diff line number Diff line
@@ -58,8 +58,14 @@ nvbios_vpstate_parse(struct nvkm_bios *b, struct nvbios_vpstate_header *h) 
		h->ecount   = nvbios_rd08(b, h->offset + 0x5);



		h->base_id  = nvbios_rd08(b, h->offset + 0x0f);

		if (h->hlen > 0x10)

			h->boost_id = nvbios_rd08(b, h->offset + 0x10);

		else

			h->boost_id = 0xff;

		if (h->hlen > 0x11)

			h->tdp_id = nvbios_rd08(b, h->offset + 0x11);

		else

			h->tdp_id = 0xff;

		return 0;

	default:

		return -EINVAL;