drm/nv50-/disp: audit and version PIOR_PWR method
The full object interfaces are about to be exposed to userspace, so we
need to check for any security-related issues and version the structs
to make it easier to handle any changes we may need in the future.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index ed55cc2..d83d3ef 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -952,6 +952,10 @@
return ret;
}
break;
+ case NV50_DISP_MTHD_V1_PIOR_PWR:
+ if (!priv->pior.power)
+ return -ENODEV;
+ return priv->pior.power(object, priv, data, size, head, outp);
default:
break;
}
@@ -1080,9 +1084,6 @@
static struct nouveau_omthds
nv50_disp_base_omthds[] = {
{ HEAD_MTHD(NV50_DISP_SCANOUTPOS) , nv50_disp_base_scanoutpos },
- { PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd },
- { PIOR_MTHD(NV50_DISP_PIOR_TMDS_PWR) , nv50_pior_mthd },
- { PIOR_MTHD(NV50_DISP_PIOR_DP_PWR) , nv50_pior_mthd },
{},
};