diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
index 9202ddf3d69c..c6b43353e08e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
@@ -381,7 +381,8 @@ int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp,
 				enum AMDGPU_XCP_IP_BLOCK ip,
 				uint32_t *inst_mask)
 {
-	if (!xcp->valid || !inst_mask || !(xcp->ip[ip].valid))
+	if (!xcp->valid || !inst_mask || ip >= AMDGPU_XCP_MAX_BLOCKS ||
+	    !(xcp->ip[ip].valid))
 		return -EINVAL;
 
 	*inst_mask = xcp->ip[ip].inst_mask;