From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?windows-1252?Q?Christian_K=F6nig?= <christian.koenig@amd.com>
Subject: Re: [PATCH 02/83] drm/radeon: reduce number of free VMIDs and pipes
 in KV
Date: Mon, 14 Jul 2014 09:58:37 +0200
Message-ID: <53C38DAD.3060306@amd.com>
References: <1405029027-6085-1-git-send-email-oded.gabbay@amd.com>
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To: =?windows-1252?Q?Michel_D=E4nzer?= <michel@daenzer.net>, Oded Gabbay <oded.gabbay@gmail.com>, David Airlie <airlied@linux.ie>, Alex Deucher <alexander.deucher@amd.com>, Jerome Glisse <j.glisse@gmail.com>
Cc: Andrew Lewycky <Andrew.Lewycky@amd.com>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, =?windows-1252?Q?Christian_K=F6nig?= <christian.koenig@amd.com>
List-Id: dri-devel@lists.freedesktop.org

Am 14.07.2014 09:38, schrieb Michel D=E4nzer:
> On 11.07.2014 06:50, Oded Gabbay wrote:
>> @@ -5876,8 +5871,13 @@ int cik_ib_parse(struct radeon_device *rdev, stru=
ct radeon_ib *ib)
>>    */
>>   int cik_vm_init(struct radeon_device *rdev)
>>   {
>> -	/* number of VMs */
>> -	rdev->vm_manager.nvm =3D 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 =3D 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.