From: Dave Gordon <david.s.gordon@intel.com>
To: intel-gfx@lists.freedesktop.org, "Antoine,
Peter" <peter.antoine@intel.com>
Subject: Re: [for-CI-v2] drm/i915/mocs: Program MOCS for all engines on init
Date: Wed, 20 Apr 2016 15:50:07 +0100 [thread overview]
Message-ID: <5717971F.5080703@intel.com> (raw)
In-Reply-To: <20160415112647.GM19990@nuc-i3427.alporthouse.com>
On 15/04/16 12:26, Chris Wilson wrote:
> On Fri, Apr 15, 2016 at 10:16:25AM +0100, Peter Antoine wrote:
>> Thanks for tidying up and pushing.
>
> Fwiw, I extended the test to demonstrate that !rcs engines are also
> suspectible to the same pollution where one process can affect the
> register settings of an another.
> -Chris
Try INSTPM, bits 6 and 7 . The hardware saves & restores it properly
(AFAICT) but the driver muddles up settings from different contexts :(
.Dave.
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prev parent reply other threads:[~2016-04-20 14:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-13 14:03 [for-CI-v2] drm/i915/mocs: Program MOCS for all engines on init Chris Wilson
2016-04-14 7:54 ` ✗ Fi.CI.BAT: failure for drm/i915/mocs: Program MOCS for all engines on init (rev8) Patchwork
2016-04-14 10:06 ` [for-CI-v2] drm/i915/mocs: Program MOCS for all engines on init Chris Wilson
2016-04-15 9:16 ` Peter Antoine
2016-04-15 11:26 ` Chris Wilson
2016-04-20 14:50 ` Dave Gordon [this message]
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