From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jerome Glisse <j.glisse@gmail.com>
Subject: Re: [PATCH v2] drm: enable render-nodes by default
Date: Thu, 20 Mar 2014 11:34:26 -0400
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To: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>
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On Thu, Mar 20, 2014 at 03:59:17PM +0100, Thomas Hellstrom wrote:
> On 03/20/2014 03:36 PM, Jerome Glisse wrote:
> >
> > In any case this is not a render node issue and there is no reasons to =
force
> > full VRAM eviction or anything like that.
> =

> This comment suggests you haven't read the discussion fully.
> =

> VRAM eviction was discussed in the context of legacy nodes.
> =

> This is a render node issue because with legacy nodes you can work
> around insufficient command checking.
> With render nodes you can't.

On radeon you can not abuse the GPU period legacy node or not. My comment
was about the fact that this is a driver issue and not a render node issue.
I would consider driver that allow to abuse the GPU block to access any
memory as broken no matter if we are talking about legacy or new render
node.

Cheers,
J=E9r=F4me


> =

> /Thomas
> =

> > Cheers,
> > J=E9r=F4me