Re: [PATCH 02/83] drm/radeon: reduce number of free VMIDs and pipes in KV

[Christian König]

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.
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