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Date: Thu, 17 Jul 2014 14:47:56 +0300
From: Oded Gabbay <oded.gabbay@....com>
To: Christian König <christian.koenig@....com>,
Michel Dänzer <michel@...nzer.net>,
David Airlie <airlied@...ux.ie>,
Alex Deucher <alexander.deucher@....com>,
Jerome Glisse <j.glisse@...il.com>
CC: Andrew Lewycky <Andrew.Lewycky@....com>,
<linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH 02/83] drm/radeon: reduce number of free VMIDs and pipes
in KV
On 14/07/14 10:58, Christian König wrote:
> Am 14.07.2014 09:38, schrieb Michel Dänzer:
>> On 11.07.2014 06:50, Oded Gabbay wrote:
>>> @@ -5876,8 +5871,13 @@ int cik_ib_parse(struct radeon_device *rdev, struct
>>> radeon_ib *ib)
>>> */
>>> int cik_vm_init(struct radeon_device *rdev)
>>> {
>>> - /* number of VMs */
>>> - rdev->vm_manager.nvm = 16;
>>> + /*
>>> + * number of VMs
>>> + * VMID 0 is reserved for Graphics
>>> + * radeon compute will use VMIDs 1-7
>>> + * KFD will use VMIDs 8-15
>>> + */
>>> + rdev->vm_manager.nvm = 8;
>> This comment is inaccurate: Graphics can use VMIDs 1-7 as well.
>
> Actually VMID 0 is reserved for system use and graphics operation only use VMIDs
> 1-7.
>
> Christian.
Will be fixed in v2 of the patchset
Oded
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
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