The EU competition enforcer, which did not provide details of the concessions in line with its policy, set an Oct. 27 deadline for its decision.
The European Commission will seek feedback from rivals and customers before deciding whether to accept the concessions, demand more or open a four-month long investigation, the report said.
Nvidia has said it would maintain Arm as a neutral technology supplier as it aims to allay concerns from customers such as Qualcomm, Samsung Electronics and Apple.
Arm customers Broadcom, MediaTek and Marvell are supporters of the deal.
Arm, owned by Japan’s SoftBank Group, is a major player in global semiconductors. Its designs power nearly every smartphone and millions of other devices.