linux-kernel - Re: [PATCH V4 05/10] accel/amdxdna: Add hardware context

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Message-ID: <45e167e3-dab6-691f-2ab9-056d92db4149@quicinc.com>
Date: Fri, 18 Oct 2024 14:47:17 -0600
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>
Subject: Re: [PATCH V4 05/10] accel/amdxdna: Add hardware context

On 10/11/2024 5:12 PM, Lizhi Hou wrote:
> The hardware can be shared among multiple user applications. The
> hardware resources are allocated/freed based on the request from
> user application via driver IOCTLs.
> 
> DRM_IOCTL_AMDXDNA_CREATE_HWCTX
> Allocate tile columns and create a hardware context structure to track the
> usage and status of the resources. A hardware context ID is returned for
> XDNA command execution.
> 
> DRM_IOCTL_AMDXDNA_DESTROY_HWCTX
> Release hardware context based on its ID. The tile columns belong to
> this hardware context will be reclaimed.
> 
> DRM_IOCTL_AMDXDNA_CONFIG_HWCTX
> Config hardware context. Bind the hardware context to the required
> resources.
> 
> Co-developed-by: Min Ma <min.ma@....com>
> Signed-off-by: Min Ma <min.ma@....com>
> Signed-off-by: Lizhi Hou <lizhi.hou@....com>

Reviewed-by: Jeffrey Hugo <quic_jhugo@...cinc.com>