linux-kernel - Re: [PATCH V2 7/8] accel/amdxdna: Read firmware interface version from registers

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Message-ID: <d4db5e3c-56b5-ed77-95af-15e9271339ce@quicinc.com>
Date: Fri, 13 Dec 2024 09:58:40 -0700
From: Jeffrey Hugo <quic_jhugo@...cinc.com>
To: Lizhi Hou <lizhi.hou@....com>, <ogabbay@...nel.org>,
        <dri-devel@...ts.freedesktop.org>
CC: <linux-kernel@...r.kernel.org>, <min.ma@....com>, <max.zhen@....com>,
        <sonal.santan@....com>, <king.tam@....com>,
        <mario.limonciello@....com>
Subject: Re: [PATCH V2 7/8] accel/amdxdna: Read firmware interface version
 from registers

On 12/6/2024 3:00 PM, Lizhi Hou wrote:
> The latest released firmware supports reading firmware interface version
> from registers directly. The driver's probe routine reads the major and
> minor version numbers. If the firmware interface does not compatible with
> the driver, the driver's probe routine returns failure.
> 
> Co-developed-by: Min Ma <min.ma@....com>
> Signed-off-by: Min Ma <min.ma@....com>
> Signed-off-by: Lizhi Hou <lizhi.hou@....com>
> ---
>   drivers/accel/amdxdna/aie2_message.c | 26 ----------
>   drivers/accel/amdxdna/aie2_pci.c     | 74 ++++++++++++++++++++++------
>   drivers/accel/amdxdna/aie2_pci.h     |  6 +--
>   drivers/accel/amdxdna/npu1_regs.c    |  2 +-
>   drivers/accel/amdxdna/npu2_regs.c    |  2 +-
>   drivers/accel/amdxdna/npu4_regs.c    |  2 +-
>   drivers/accel/amdxdna/npu5_regs.c    |  2 +-

Do you need an update to npu6_regs?

-Jeff