From: zhoucm1 <david1.zhou-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: [PATCH] amdgpu: add interface for reserve/unserve vmid
Date: Fri, 28 Apr 2017 17:23:46 +0800 [thread overview]
Message-ID: <59030A22.5030604@amd.com> (raw)
In-Reply-To: <1493371366-10581-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org>
anyone could give a quick review?
Regards,
David Zhou
On 2017年04月28日 17:22, Chunming Zhou wrote:
> Change-Id: If533576eb8a65bd019a3480d6fe2a64f23e3c944
> Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
> ---
> amdgpu/amdgpu.h | 13 +++++++++++++
> amdgpu/amdgpu_cs.c | 30 ++++++++++++++++++++++++++++++
> 2 files changed, 43 insertions(+)
>
> diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
> index 4772006..7afade0 100644
> --- a/amdgpu/amdgpu.h
> +++ b/amdgpu/amdgpu.h
> @@ -1626,6 +1626,19 @@ int amdgpu_cs_signal_sem(amdgpu_device_handle dev,
> uint32_t ip_instance,
> uint32_t ring,
> amdgpu_sem_handle sem);
> +/**
> + * reserve vmid for this process
> + *
> + * \param dev - [in] Device handle. See #amdgpu_device_initialize()
> + */
> +int amdgpu_cs_reserved_vmid(amdgpu_device_handle dev);
> +
> +/**
> + * unreserve vmid for this process
> + *
> + * \param dev - [in] Device handle. See #amdgpu_device_initialize()
> + */
> +int amdgpu_cs_unreserved_vmid(amdgpu_device_handle dev);
>
> /**
> * wait sem
> diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
> index 62b595a..df362ee 100644
> --- a/amdgpu/amdgpu_cs.c
> +++ b/amdgpu/amdgpu_cs.c
> @@ -754,3 +754,33 @@ int amdgpu_cs_destroy_sem(amdgpu_device_handle dev,
>
> return 0;
> }
> +
> +int amdgpu_cs_unreserved_vmid(amdgpu_device_handle dev)
> +{
> + union drm_amdgpu_vm args;
> + int r;
> +
> + if (NULL == dev)
> + return -EINVAL;
> +
> + /* Create the context */
> + memset(&args, 0, sizeof(args));
> + args.in.op = AMDGPU_VM_OP_UNRESERVE_VMID;
> + r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM, &args, sizeof(args));
> + return r;
> +}
> +
> +int amdgpu_cs_reserved_vmid(amdgpu_device_handle dev)
> +{
> + union drm_amdgpu_vm args;
> + int r;
> +
> + if (NULL == dev)
> + return -EINVAL;
> +
> + /* Create the context */
> + memset(&args, 0, sizeof(args));
> + args.in.op = AMDGPU_VM_OP_RESERVE_VMID;
> + r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_VM, &args, sizeof(args));
> + return r;
> +}
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next prev parent reply other threads:[~2017-04-28 9:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-28 9:22 [PATCH] amdgpu: add interface for reserve/unserve vmid Chunming Zhou
[not found] ` <1493371366-10581-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org>
2017-04-28 9:23 ` zhoucm1 [this message]
2017-05-02 2:30 ` Zhang, Jerry (Junwei)
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