Re: [regression] drm/i915/execbuffer: Reorder binding of objects to favour restrictions

[Alexey Fisher <bug-track@fisher-privat.net>]

Hi Chris,
did you got my regression report?

Am Freitag, den 14.01.2011, 16:11 +0100 schrieb Alexey Fisher:
> Hi Chris,
> 
> i have new regression after this patch. Like usual, artifakts,
> disappearing icons, with only one difference gl seems to work ok.
> 
> see screencast in attachment.
> 
> My HW:
> board Intel DG45ID, graphic:
> Vendor: 0x8086, Device: 0x2e22, Revision: 0x03 (A3)
> 
> xserver-xorg-video-intel
> 2:2.14.0+git20110110.fd9235eb-0ubuntu0sarvatt~maverick
> 
> xserver-xorg
> 1:7.5+6+xserver1.9
> 
> commit 6fe4f14044f181e146cdc15485428f95fa541ce8
> Author: Chris Wilson <chris@chris-wilson.co.uk>
> Date: Mon Jan 10 17:35:37 2011 +0000
> 
> drm/i915/execbuffer: Reorder binding of objects to favour restrictions
> 
> As the mappable portion of the aperture is always a small subset at the
> start of the GTT, it is allocated preferentially by drm_mm. This is
> useful in case we ever need to map an object later. However, if you have
> a large object that can consume the entire mappable region of the
> GTT this prevents the batchbuffer from fitting and so causing an error.
> Instead allocate all those that require a mapping up front in order to
> improve the likelihood of finding sufficient space to bind them.
> 
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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-- 
Regards,
        Alexey