From: "Kumar Valsan, Prathap" <prathap.kumar.valsan@intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH v2] drm/i915/tgl: Add sysfs interface to control class-of-service
Date: Tue, 27 Aug 2019 10:59:03 -0400 [thread overview]
Message-ID: <20190827145903.GF28351@intel.com> (raw)
In-Reply-To: <156691651482.15406.9011761933083101122@skylake-alporthouse-com>
On Tue, Aug 27, 2019 at 03:35:14PM +0100, Chris Wilson wrote:
> Quoting Kumar Valsan, Prathap (2019-08-27 15:17:51)
> > We want to support this on Gen11 as well, where these registers
> > are context saved and restored and we prime the register values of new contexts
> > from recorded defaults. What could be the correct way to handle this, write to the
> > default object or should ask GPU to re-record after modifying the
> > registers.
>
> That depends on whether you want to apply to existing or only to new.
> For OA / sseu, we modify the context images so that existing contexts
> are updated to reflect the new defaults, and we update the defaults.
> E.g. gen8_configure_all_contexts()
Applying to the existing contexts as well should be the right
thing to do. Thank you! I will look at the example.
Prathap
> -Chris
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next prev parent reply other threads:[~2019-08-27 14:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-25 22:48 [PATCH] drm/i915/tgl: Add sysfs interface to control class-of-service Prathap Kumar Valsan
2019-08-25 22:40 ` ✗ Fi.CI.SPARSE: warning for " Patchwork
2019-08-25 23:03 ` ✓ Fi.CI.BAT: success " Patchwork
2019-08-25 23:35 ` [PATCH v2] " Prathap Kumar Valsan
2019-08-26 8:39 ` Chris Wilson
2019-08-27 14:17 ` Kumar Valsan, Prathap
2019-08-26 9:17 ` Chris Wilson
2019-08-27 14:17 ` Kumar Valsan, Prathap
2019-08-27 14:35 ` Chris Wilson
2019-08-27 14:59 ` Kumar Valsan, Prathap [this message]
2019-08-25 23:52 ` ✓ Fi.CI.BAT: success for drm/i915/tgl: Add sysfs interface to control class-of-service (rev2) Patchwork
2019-08-26 7:32 ` ✗ Fi.CI.IGT: failure for drm/i915/tgl: Add sysfs interface to control class-of-service Patchwork
2019-08-26 8:32 ` ✓ Fi.CI.IGT: success for drm/i915/tgl: Add sysfs interface to control class-of-service (rev2) Patchwork
2019-09-09 11:50 ` [PATCH] drm/i915/tgl: Add sysfs interface to control class-of-service Joonas Lahtinen
2019-09-09 22:52 ` Kumar Valsan, Prathap
2019-09-30 22:18 ` [PATCH v2] drm/i915/ehl: " Prathap Kumar Valsan
2019-09-30 22:58 ` ✗ Fi.CI.BUILD: failure for drm/i915/tgl: Add sysfs interface to control class-of-service (rev3) Patchwork
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