Re: [Intel-gfx] [PATCH 12/43] drm/i915: don't trash the gtt when running out of fences

[Daniel Vetter]

On Wed, Dec 14, 2011 at 03:09:24PM +0000, Chris Wilson wrote:
> On Wed, 14 Dec 2011 13:57:09 +0100, Daniel Vetter <daniel.vet...@ffwll.ch> 
> wrote:
> > With the fence accounting fixed up in the previous commit not finding
> > enough fences is a fatal error and userspace bug. Trashing the entire
> > gtt is not gonna turn up that missing fence, so don't to this by
> > returning another error thatn ENOSPC.
> > 
> > This has the added benefit that it's easier to distinguish fence
> > accounting errors from gtt space accounting issues.
> > 
> > TTM serves as precendence for the EDEADLK error code - it returns it
> > when the reservation code needs resources already blocked by the
> > current reservation.
> > 
> > Signed-Off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
> Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk>
Queued for -next, thanks for the review.
-Daniel
-- 
Daniel Vetter
Mail: dan...@ffwll.ch
Mobile: +41 (0)79 365 57 48
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