@@ -138,6 +138,7 @@ static int
nvkm_cstate_new(struct nvkm_clk *clk, int idx, struct nvkm_pstate *pstate)
{
struct nvkm_bios *bios = clk->subdev.device->bios;
+ struct nvkm_volt *volt = clk->subdev.device->volt;
const struct nvkm_domain *domain = clk->domains;
struct nvkm_cstate *cstate = NULL;
struct nvbios_cstepX cstepX;
@@ -148,6 +149,9 @@ nvkm_cstate_new(struct nvkm_clk *clk, int idx, struct nvkm_pstate *pstate)
if (!data)
return -ENOENT;
+ if (volt && nvkm_volt_map_min(volt, cstepX.voltage) > volt->max_uv)
+ return -EINVAL;
+
cstate = kzalloc(sizeof(*cstate), GFP_KERNEL);
if (!cstate)
return -ENOMEM;