Signed-off-by: Karol Herbst <[email protected]>
Reviewed-by: Martin Peres <[email protected]>
Tested-by: Pierre Moreau <[email protected]>
---
drm/nouveau/nvkm/subdev/clk/base.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drm/nouveau/nvkm/subdev/clk/base.c
b/drm/nouveau/nvkm/subdev/clk/base.c
index 889cce2..75122a2 100644
--- a/drm/nouveau/nvkm/subdev/clk/base.c
+++ b/drm/nouveau/nvkm/subdev/clk/base.c
@@ -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;
--
2.8.1
_______________________________________________
Nouveau mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/nouveau
